Sky blue
#55C9EC
#55C9EC is a sky blue with medium intensity, at step 300 of its 50–950 scale. Dark text on it has a contrast of 9.8:1. On white it reaches only 1.9:1, so use a darker shade for text.
#55C9EC shades and tints
Eleven steps from 50 to 950 with #55C9EC kept exactly at step 300. Lightness steps are even to the eye, and intensity tapers toward the lightest and darkest steps.
- 50 EBFAFF
- 100 CEF2FF
- 200 9CE6FF
- 300 55C9EC
- 400 40B3D4
- 500 0397B8
- 600 007995
- 700 005F75
- 800 004759
- 900 00313E
- 950 001C25
Tailwind CSS v4 theme
@theme { --color-sky-blue-50: #ebfaff; --color-sky-blue-100: #cef2ff; --color-sky-blue-200: #9ce6ff; --color-sky-blue-300: #55c9ec; --color-sky-blue-400: #40b3d4; --color-sky-blue-500: #0397b8; --color-sky-blue-600: #007995; --color-sky-blue-700: #005f75; --color-sky-blue-800: #004759; --color-sky-blue-900: #00313e; --color-sky-blue-950: #001c25;}Is #55C9EC readable?
Contrast for text on #55C9EC and for #55C9EC used as text. WCAG 2.2 asks for 4.5:1 for body text and 3:1 for large text; APCA Lc rates how comfortable the text is to read.
- AaThe quick brown foxCheck in contrast tool
White text on it
Fail · 1.9APCA Lc 41 · Placeholders and disabled text
- AaThe quick brown foxCheck in contrast tool
Dark text on it
AAA · 9.8APCA Lc 67 · Content text 16px and up
- AaThe quick brown foxClosest readable: #00819F · 4.5:1 Check in contrast tool
As text on white
Fail · 1.9APCA Lc 36 · Placeholders and disabled text
- AaThe quick brown foxCheck in contrast tool
As text on a dark background
AAA · 9.8APCA Lc 66 · Content text 16px and up
Color palettes with #55C9EC
Six palettes built around #55C9EC, each starting from the exact color. Open one in the palette tool to adjust it or get more options.
- Analogous#55C9EC · #528CBC · #15C9B9 · #D6D7FF · #273337
- Complementary#55C9EC · #D88F6A · #FF9A6E · #B1EAFF · #25353C
- Split complementary#55C9EC · #D08697 · #E7994A · #C3ECFF · #232C2E
- Triadic#55C9EC · #CF70BA · #D0AF00 · #CFF1FF · #262D2F
- Tetradic#55C9EC · #9876C3 · #FF772F · #CAE7B0 · #1B2E33
- Monochromatic#55C9EC · #00AED9 · #00CEFA · #98E3F6 · #212C32
#55C9EC as a brand color
What a UI color system built from #55C9EC looks like: brand, neutral and status scales, with light and dark tokens that pass WCAG.
Brand
- Brand 50, #EBFAFF
- Brand 100, #CEF2FF
- Brand 200, #9CE6FF
- Brand 300, #55C9EC
- Brand 400, #40B3D4
- Brand 500, #0397B8
- Brand 600, #007995
- Brand 700, #005F75
- Brand 800, #004759
- Brand 900, #00313E
- Brand 950, #001C25
Neutral
- Neutral 50, #F9FAFB
- Neutral 100, #F2F4F5
- Neutral 200, #E2E6E7
- Neutral 300, #CFD5D8
- Neutral 400, #9AA3A6
- Neutral 500, #6B7579
- Neutral 600, #4C5659
- Neutral 700, #394245
- Neutral 800, #22292C
- Neutral 900, #12191C
- Neutral 950, #050B0E
Success
- Success 50, #E3FFEE
- Success 100, #B4FFD6
- Success 200, #98EFC1
- Success 300, #75D7A5
- Success 400, #4FBB88
- Success 500, #35AA76
- Success 600, #008254
- Success 700, #006641
- Success 800, #004D30
- Success 900, #003520
- Success 950, #001F10
Warning
- Warning 50, #FFF6E5
- Warning 100, #FFE8C0
- Warning 200, #FCD385
- Warning 300, #DEAC48
- Warning 400, #CA9A38
- Warning 500, #AE7E00
- Warning 600, #8D6600
- Warning 700, #6F4F00
- Warning 800, #543B00
- Warning 900, #3A2800
- Warning 950, #221600
Danger
- Danger 50, #FFF4F3
- Danger 100, #FFE4E2
- Danger 200, #FFCAC7
- Danger 300, #FFA29F
- Danger 400, #F87474
- Danger 500, #D55053
- Danger 600, #BA383F
- Danger 700, #9A1D29
- Danger 800, #7C0118
- Danger 900, #58000E
- Danger 950, #360005
Info
- Info 50, #EEF9FF
- Info 100, #D6EFFF
- Info 200, #AFE1FF
- Info 300, #72CBFD
- Info 400, #4CAEE2
- Info 500, #2191C5
- Info 600, #0076A5
- Info 700, #005D82
- Info 800, #004563
- Info 900, #003045
- Info 950, #001B2A
- Primary buttons use Brand 300 with neutral 950 text, at 10.3:1.
- In dark mode primary stays Brand 300: it already reads on the dark background at 10.3:1.
- Neutrals carry a hint of its hue, so grays, borders and surfaces feel related to the brand.
- Success, warning, danger and info lean toward its hue and stay easy to tell apart.
Colors related to #55C9EC
Lighter and darker versions, its complementary color, neighbors on the color wheel and softer variants.