Sky blue
#3E9BBD
#3E9BBD is a sky blue with medium intensity, at step 500 of its 50–950 scale. Dark text on it has a contrast of 5.9:1. On white it reaches only 3.2:1, so use a darker shade for text.
#3E9BBD shades and tints
Eleven steps from 50 to 950 with #3E9BBD kept exactly at step 500. Lightness steps are even to the eye, and intensity tapers toward the lightest and darkest steps.
- 50 ECF9FF
- 100 D1F1FF
- 200 A4E4FF
- 300 7CCCEC
- 400 58B0D1
- 500 3E9BBD
- 600 0D7899
- 700 005E79
- 800 00475C
- 900 003140
- 950 001C26
Tailwind CSS v4 theme
@theme { --color-sky-blue-50: #ecf9ff; --color-sky-blue-100: #d1f1ff; --color-sky-blue-200: #a4e4ff; --color-sky-blue-300: #7cccec; --color-sky-blue-400: #58b0d1; --color-sky-blue-500: #3e9bbd; --color-sky-blue-600: #0d7899; --color-sky-blue-700: #005e79; --color-sky-blue-800: #00475c; --color-sky-blue-900: #003140; --color-sky-blue-950: #001c26;}Is #3E9BBD readable?
Contrast for text on #3E9BBD and for #3E9BBD 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 · 3.2APCA Lc 64 · Content text 16px and up
- AaThe quick brown foxCheck in contrast tool
Dark text on it
AA · 5.9APCA Lc 45 · Placeholders and disabled text
- AaThe quick brown foxClosest readable: #1B80A2 · 4.5:1 Check in contrast tool
As text on white
Large · 3.2APCA Lc 59 · Large text and headings
- AaThe quick brown foxCheck in contrast tool
As text on a dark background
AA · 5.9APCA Lc 43 · Placeholders and disabled text
Color palettes with #3E9BBD
Six palettes built around #3E9BBD, each starting from the exact color. Open one in the palette tool to adjust it or get more options.
- Analogous#3E9BBD · #4998E0 · #00CBD4 · #DAD8FF · #182327
- Complementary#3E9BBD · #D67434 · #FF9C5E · #D2EFFF · #18242A
- Split complementary#3E9BBD · #C76172 · #EF9D0C · #A9E0F2 · #293134
- Triadic#3E9BBD · #CA6AA9 · #CEAF2C · #A2E0FF · #15262C
- Tetradic#3E9BBD · #9F73B0 · #FF8947 · #C8E8B9 · #202E36
- Monochromatic#3E9BBD · #338DB3 · #22CCFF · #ABE2FF · #1F2C30
#3E9BBD as a brand color
What a UI color system built from #3E9BBD looks like: brand, neutral and status scales, with light and dark tokens that pass WCAG.
Brand
- Brand 50, #ECF9FF
- Brand 100, #D1F1FF
- Brand 200, #A4E4FF
- Brand 300, #7CCCEC
- Brand 400, #58B0D1
- Brand 500, #3E9BBD
- Brand 600, #0D7899
- Brand 700, #005E79
- Brand 800, #00475C
- Brand 900, #003140
- Brand 950, #001C26
Neutral
- Neutral 50, #F9FAFB
- Neutral 100, #F2F4F5
- Neutral 200, #E2E6E8
- Neutral 300, #CFD5D8
- Neutral 400, #9AA2A6
- Neutral 500, #6B7579
- Neutral 600, #4D565A
- Neutral 700, #394245
- Neutral 800, #22292C
- Neutral 900, #12191C
- Neutral 950, #050B0E
Success
- Success 50, #E3FFEE
- Success 100, #B4FFD6
- Success 200, #9AEFC1
- Success 300, #77D6A6
- Success 400, #51BB88
- Success 500, #2DA16F
- 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, #D5A441
- 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, #CE4C50
- Danger 600, #B93A40
- Danger 700, #991F2A
- Danger 800, #7B0419
- Danger 900, #58000E
- Danger 950, #360005
Info
- Info 50, #EEF9FF
- Info 100, #D7EFFF
- Info 200, #B0E1FF
- Info 300, #74CBFC
- Info 400, #4FAEE1
- Info 500, #1D8BBE
- Info 600, #0076A6
- Info 700, #005C83
- Info 800, #004563
- Info 900, #002F46
- Info 950, #001B2A
- Primary buttons use Brand 500 with neutral 950 text, at 6.2:1.
- In dark mode primary stays Brand 500: it already reads on the dark background at 6.2:1.
- 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 #3E9BBD
Lighter and darker versions, its complementary color, neighbors on the color wheel and softer variants.