Muted sky blue
#537D88
#537D88 is a muted sky blue with low intensity, at step 600 of its 50–950 scale. White text on it has a contrast of 4.5:1. It is readable as text on white (4.5:1).
#537D88 shades and tints
Eleven steps from 50 to 950 with #537D88 kept exactly at step 600. Lightness steps are even to the eye, and intensity tapers toward the lightest and darkest steps.
- 50 E9FAFF
- 100 D1F2FB
- 200 BCE0EA
- 300 9FC7D2
- 400 81ABB6
- 500 65909B
- 600 537D88
- 700 355C66
- 800 22464E
- 900 113038
- 950 031C22
Tailwind CSS v4 theme
@theme { --color-sky-blue-50: #e9faff; --color-sky-blue-100: #d1f2fb; --color-sky-blue-200: #bce0ea; --color-sky-blue-300: #9fc7d2; --color-sky-blue-400: #81abb6; --color-sky-blue-500: #65909b; --color-sky-blue-600: #537d88; --color-sky-blue-700: #355c66; --color-sky-blue-800: #22464e; --color-sky-blue-900: #113038; --color-sky-blue-950: #031c22;}Is #537D88 readable?
Contrast for text on #537D88 and for #537D88 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
AA · 4.5APCA Lc 77 · Body text
- AaThe quick brown foxCheck in contrast tool
Dark text on it
Large · 4.2APCA Lc 32 · Placeholders and disabled text
- AaThe quick brown foxCheck in contrast tool
As text on white
AA · 4.5APCA Lc 71 · Content text 16px and up
- AaThe quick brown foxClosest readable: #58838E · 4.5:1 Check in contrast tool
As text on a dark background
Large · 4.2APCA Lc 30 · Dividers and decoration only
Color palettes with #537D88
Six palettes built around #537D88, each starting from the exact color. Open one in the palette tool to adjust it or get more options.
- Analogous#537D88 · #5EA8E1 · #00D4CB · #D0DBFF · #1B2324
- Complementary#537D88 · #B9745F · #E77C55 · #A6E9FF · #192426
- Split complementary#537D88 · #D17586 · #E68500 · #ADEDFF · #192224
- Triadic#537D88 · #C772B7 · #CCAF38 · #8EE3FF · #1B2F36
- Tetradic#537D88 · #9E7FD7 · #FF9D79 · #CDE6B6 · #182D32
- Monochromatic#537D88 · #1AA3C8 · #00CCEF · #92E4F6 · #102427
#537D88 as a brand color
What a UI color system built from #537D88 looks like: brand, neutral and status scales, with light and dark tokens that pass WCAG.
Brand
- Brand 50, #E9FAFF
- Brand 100, #D1F2FB
- Brand 200, #BCE0EA
- Brand 300, #9FC7D2
- Brand 400, #81ABB6
- Brand 500, #65909B
- Brand 600, #537D88
- Brand 700, #355C66
- Brand 800, #22464E
- Brand 900, #113038
- Brand 950, #031C22
Neutral
- Neutral 50, #F9FAFB
- Neutral 100, #F2F4F5
- Neutral 200, #E2E6E7
- Neutral 300, #CFD5D7
- Neutral 400, #99A3A5
- Neutral 500, #6B7578
- Neutral 600, #4C5659
- Neutral 700, #394245
- Neutral 800, #21292C
- Neutral 900, #12191B
- Neutral 950, #050B0D
Success
- Success 50, #E3FFEE
- Success 100, #B4FFD6
- Success 200, #9AEFC1
- Success 300, #77D6A6
- Success 400, #51BB88
- Success 500, #269C6A
- 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, #D95659
- Danger 600, #C8464B
- 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, #1186B8
- Info 600, #0076A5
- Info 700, #005D82
- Info 800, #004563
- Info 900, #003045
- Info 950, #001B2A
- Primary buttons use Brand 600 with white text, at 4.5:1.
- In dark mode primary lifts to Brand 500 so it reads on the dark background, at 5.7:1.
- 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 #537D88
Lighter and darker versions, its complementary color, neighbors on the color wheel and softer variants.