Sky blue
#508B9D
#508B9D is a sky blue with low intensity, at step 500 of its 50–950 scale. Dark text on it has a contrast of 5.0:1. On white it reaches only 3.8:1, so use a darker shade for text.
#508B9D shades and tints
Eleven steps from 50 to 950 with #508B9D kept exactly at step 500. Lightness steps are even to the eye, and intensity tapers toward the lightest and darkest steps.
- 50 EBFAFF
- 100 CDF3FF
- 200 B1E2F2
- 300 93C9DB
- 400 74ADBF
- 500 508B9D
- 600 3C7688
- 700 255E6E
- 800 104755
- 900 00313D
- 950 001C24
Tailwind CSS v4 theme
@theme { --color-sky-blue-50: #ebfaff; --color-sky-blue-100: #cdf3ff; --color-sky-blue-200: #b1e2f2; --color-sky-blue-300: #93c9db; --color-sky-blue-400: #74adbf; --color-sky-blue-500: #508b9d; --color-sky-blue-600: #3c7688; --color-sky-blue-700: #255e6e; --color-sky-blue-800: #104755; --color-sky-blue-900: #00313d; --color-sky-blue-950: #001c24;}Is #508B9D readable?
Contrast for text on #508B9D and for #508B9D 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
Large · 3.8APCA Lc 71 · Content text 16px and up
- AaThe quick brown foxCheck in contrast tool
Dark text on it
AA · 5.0APCA Lc 38 · Placeholders and disabled text
- AaThe quick brown foxClosest readable: #437E90 · 4.5:1 Check in contrast tool
As text on white
Large · 3.8APCA Lc 65 · Content text 16px and up
- AaThe quick brown foxCheck in contrast tool
As text on a dark background
AA · 5.0APCA Lc 36 · Placeholders and disabled text
Color palettes with #508B9D
Six palettes built around #508B9D, each starting from the exact color. Open one in the palette tool to adjust it or get more options.
- Analogous#508B9D · #459CE6 · #00B2B2 · #CFD9FF · #10252A
- Complementary#508B9D · #E67557 · #F97B54 · #C0F3FF · #253238
- Split complementary#508B9D · #DE6F7B · #D68400 · #CAEFFF · #212A2D
- Triadic#508B9D · #CB77A5 · #CCAF3B · #9EE9FF · #263033
- Tetradic#508B9D · #AD89DC · #E4795A · #D2EDB9 · #223437
- Monochromatic#508B9D · #36B2CC · #00ABD7 · #C0EFFF · #202C31
#508B9D as a brand color
What a UI color system built from #508B9D looks like: brand, neutral and status scales, with light and dark tokens that pass WCAG.
Brand
- Brand 50, #EBFAFF
- Brand 100, #CDF3FF
- Brand 200, #B1E2F2
- Brand 300, #93C9DB
- Brand 400, #74ADBF
- Brand 500, #508B9D
- Brand 600, #3C7688
- Brand 700, #255E6E
- Brand 800, #104755
- Brand 900, #00313D
- Brand 950, #001C24
Neutral
- Neutral 50, #F9FAFB
- Neutral 100, #F2F4F5
- Neutral 200, #E2E6E7
- Neutral 300, #CFD5D7
- Neutral 400, #99A3A6
- Neutral 500, #6B7579
- Neutral 600, #4C5659
- Neutral 700, #394245
- Neutral 800, #21292C
- Neutral 900, #12191C
- Neutral 950, #050B0E
Success
- Success 50, #E3FFEE
- Success 100, #B4FFD6
- Success 200, #9AEFC1
- Success 300, #77D6A6
- Success 400, #51BB88
- Success 500, #2A9F6C
- Success 600, #008254
- Success 700, #006641
- Success 800, #004D30
- Success 900, #003520
- Success 950, #001F10
Warning
- Warning 50, #FFF6E5
- Warning 100, #FFE8C0
- Warning 200, #FCD387
- Warning 300, #E5B863
- Warning 400, #D3A23F
- Warning 500, #AE7F06
- 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, #F77575
- Danger 500, #CB494D
- Danger 600, #B93A40
- Danger 700, #991F2A
- Danger 800, #7B0419
- Danger 900, #58000E
- Danger 950, #360005
Info
- Info 50, #EEF9FF
- Info 100, #D6EFFF
- Info 200, #AFE1FF
- Info 300, #74CBFC
- Info 400, #4EAEE1
- Info 500, #1788BB
- Info 600, #0076A5
- Info 700, #005D82
- Info 800, #004563
- Info 900, #003045
- Info 950, #001B2A
- Primary buttons use Brand 500 with neutral 950 text, at 5.2:1.
- In dark mode primary stays Brand 500: it already reads on the dark background at 5.2:1.
- 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 #508B9D
Lighter and darker versions, its complementary color, neighbors on the color wheel and softer variants.