Sky blue
#508F9E
#508F9E is a sky blue with low intensity, at step 500 of its 50–950 scale. Dark text on it has a contrast of 5.2:1. On white it reaches only 3.6:1, so use a darker shade for text.
#508F9E shades and tints
Eleven steps from 50 to 950 with #508F9E kept exactly at step 500. Lightness steps are even to the eye, and intensity tapers toward the lightest and darkest steps.
- 50 E9FAFF
- 100 C9F4FF
- 200 AFE3F0
- 300 91CAD8
- 400 71AEBD
- 500 508F9E
- 600 397786
- 700 215E6C
- 800 0B4854
- 900 00313B
- 950 001C23
Tailwind CSS v4 theme
@theme { --color-sky-blue-50: #e9faff; --color-sky-blue-100: #c9f4ff; --color-sky-blue-200: #afe3f0; --color-sky-blue-300: #91cad8; --color-sky-blue-400: #71aebd; --color-sky-blue-500: #508f9e; --color-sky-blue-600: #397786; --color-sky-blue-700: #215e6c; --color-sky-blue-800: #0b4854; --color-sky-blue-900: #00313b; --color-sky-blue-950: #001c23;}Is #508F9E readable?
Contrast for text on #508F9E and for #508F9E 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 · 3.6APCA Lc 69 · Content text 16px and up
- AaThe quick brown foxCheck in contrast tool
Dark text on it
AA · 5.2APCA Lc 39 · Placeholders and disabled text
- AaThe quick brown foxClosest readable: #407F8E · 4.5:1 Check in contrast tool
As text on white
Large · 3.6APCA Lc 64 · Content text 16px and up
- AaThe quick brown foxCheck in contrast tool
As text on a dark background
AA · 5.2APCA Lc 37 · Placeholders and disabled text
Color palettes with #508F9E
Six palettes built around #508F9E, each starting from the exact color. Open one in the palette tool to adjust it or get more options.
- Analogous#508F9E · #6596CB · #00BEAA · #D1DEFF · #152528
- Complementary#508F9E · #C37460 · #EC7955 · #BDF4FF · #273236
- Split complementary#508F9E · #CD7B96 · #F69F26 · #93E7FF · #243034
- Triadic#508F9E · #BF7EBA · #CEAF2A · #82EDFF · #19292D
- Tetradic#508F9E · #9373AF · #F17152 · #C8E7AC · #152225
- Monochromatic#508F9E · #1491A1 · #00B5D2 · #94EDFF · #1C2426
#508F9E as a brand color
What a UI color system built from #508F9E looks like: brand, neutral and status scales, with light and dark tokens that pass WCAG.
Brand
- Brand 50, #E9FAFF
- Brand 100, #C9F4FF
- Brand 200, #AFE3F0
- Brand 300, #91CAD8
- Brand 400, #71AEBD
- Brand 500, #508F9E
- Brand 600, #397786
- Brand 700, #215E6C
- Brand 800, #0B4854
- Brand 900, #00313B
- Brand 950, #001C23
Neutral
- Neutral 50, #F9FAFB
- Neutral 100, #F2F4F5
- Neutral 200, #E2E6E7
- Neutral 300, #CFD5D7
- Neutral 400, #99A3A5
- Neutral 500, #6B7578
- Neutral 600, #4C5659
- Neutral 700, #394244
- Neutral 800, #212A2C
- Neutral 900, #12191B
- Neutral 950, #050B0D
Success
- Success 50, #E3FFEE
- Success 100, #B4FFD6
- Success 200, #9AEFC1
- Success 300, #77D6A6
- Success 400, #51BB88
- Success 500, #2A9F6D
- 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, #CC4A4E
- 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, #1889BB
- 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 5.4:1.
- In dark mode primary stays Brand 500: it already reads on the dark background at 5.4:1.
- 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 #508F9E
Lighter and darker versions, its complementary color, neighbors on the color wheel and softer variants.