Sky blue
#3FBBDD
#3FBBDD is a sky blue with medium intensity, at step 400 of its 50–950 scale. Dark text on it has a contrast of 8.4:1. On white it reaches only 2.2:1, so use a darker shade for text.
#3FBBDD shades and tints
Eleven steps from 50 to 950 with #3FBBDD kept exactly at step 400. Lightness steps are even to the eye, and intensity tapers toward the lightest and darkest steps.
- 50 EBFAFF
- 100 CDF2FF
- 200 9AE6FF
- 300 67CFEE
- 400 3FBBDD
- 500 0097B7
- 600 007A94
- 700 005F75
- 800 004858
- 900 00313D
- 950 001C24
Tailwind CSS v4 theme
@theme { --color-sky-blue-50: #ebfaff; --color-sky-blue-100: #cdf2ff; --color-sky-blue-200: #9ae6ff; --color-sky-blue-300: #67cfee; --color-sky-blue-400: #3fbbdd; --color-sky-blue-500: #0097b7; --color-sky-blue-600: #007a94; --color-sky-blue-700: #005f75; --color-sky-blue-800: #004858; --color-sky-blue-900: #00313d; --color-sky-blue-950: #001c24;}Is #3FBBDD readable?
Contrast for text on #3FBBDD and for #3FBBDD 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 · 2.2APCA Lc 49 · Large text and headings
- AaThe quick brown foxCheck in contrast tool
Dark text on it
AAA · 8.4APCA Lc 59 · Large text and headings
- AaThe quick brown foxClosest readable: #00819E · 4.5:1 Check in contrast tool
As text on white
Fail · 2.2APCA Lc 44 · Placeholders and disabled text
- AaThe quick brown foxCheck in contrast tool
As text on a dark background
AAA · 8.4APCA Lc 58 · Large text and headings
Color palettes with #3FBBDD
Six palettes built around #3FBBDD, each starting from the exact color. Open one in the palette tool to adjust it or get more options.
- Analogous#3FBBDD · #5FA3F5 · #00B3A5 · #DFE5FF · #122329
- Complementary#3FBBDD · #CC7E61 · #FF8E53 · #97E4FF · #262E2F
- Split complementary#3FBBDD · #CC636A · #E9A100 · #9BE4F5 · #1F323B
- Triadic#3FBBDD · #D072AD · #D1B22E · #98E7FC · #212E33
- Tetradic#3FBBDD · #A473C6 · #FB723D · #C9F1A0 · #2A3134
- Monochromatic#3FBBDD · #0095BF · #00BFE4 · #CCEFFF · #2C3336
#3FBBDD as a brand color
What a UI color system built from #3FBBDD looks like: brand, neutral and status scales, with light and dark tokens that pass WCAG.
Brand
- Brand 50, #EBFAFF
- Brand 100, #CDF2FF
- Brand 200, #9AE6FF
- Brand 300, #67CFEE
- Brand 400, #3FBBDD
- Brand 500, #0097B7
- Brand 600, #007A94
- Brand 700, #005F75
- Brand 800, #004858
- Brand 900, #00313D
- Brand 950, #001C24
Neutral
- Neutral 50, #F9FAFB
- Neutral 100, #F2F4F5
- Neutral 200, #E2E6E7
- Neutral 300, #CFD5D8
- 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, #97F0C1
- Success 300, #73D7A5
- Success 400, #4CBB87
- Success 500, #2EA873
- Success 600, #008254
- Success 700, #006641
- Success 800, #004D30
- Success 900, #003520
- Success 950, #001F10
Warning
- Warning 50, #FFF6E5
- Warning 100, #FFE8C0
- Warning 200, #FDD284
- Warning 300, #DCA941
- Warning 400, #CB9A35
- 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, #F97273
- Danger 500, #D64E53
- Danger 600, #BB363E
- Danger 700, #9B1B29
- Danger 800, #7C0017
- Danger 900, #58000E
- Danger 950, #360005
Info
- Info 50, #EEF9FF
- Info 100, #D6EFFF
- Info 200, #AFE1FF
- Info 300, #70CBFE
- Info 400, #49AEE3
- Info 500, #1C91C6
- Info 600, #0076A5
- Info 700, #005D82
- Info 800, #004563
- Info 900, #003045
- Info 950, #001B2A
- Primary buttons use Brand 400 with neutral 950 text, at 8.8:1.
- In dark mode primary stays Brand 400: it already reads on the dark background at 8.8:1.
- 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 #3FBBDD
Lighter and darker versions, its complementary color, neighbors on the color wheel and softer variants.