#57A7CB#57A7CB

#57A7CB is a light, moderate cyan. Relative luminance 0.340; OKLCH L 69.2% C 0.095 H 229.5°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX#57A7CB
RGBrgb(87, 167, 203)
HSLhsl(199, 53%, 57%)
HSVhsv(199, 57%, 80%)
CMYKcmyk(57.1%, 17.7%, 0%, 20.4%)
CIE-LABlab(64.94, -14.13, -25.81)
CIE-LCHlch(64.94, 29.42, 241.31°)
OKLaboklab(69.19% -0.0613 -0.0719)
OKLCHoklch(69.19% 0.095 229.5)
XYZxyz(28.5246, 33.9728, 61.5425)
Luminance0.3397 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A7CB #CB7B57
analogous
#57CBB5 #57A7CB #576DCB
triadic
#57A7CB #CB57A7 #A7CB57
tetradic
#57A7CB #B557CB #CB7B57 #6DCB57
square
#57A7CB #B557CB #CB7B57 #6DCB57
split-complementary
#57A7CB #CB576D #CBB557
monochromatic
#286580 #3689AF #57A7CB #86BFD9 #B4D8E8

Accessibility & contrast

On white

2.69
#57A7CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.79
#57A7CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A7CB
7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A7CB#FFFFFF#000000##000000
##57A7CB1.002.697.797.79
#FFFFFF2.691.0021.0021.00
#0000007.7921.001.001.00
##0000007.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#95A5CD
Deuteranopia (green-blind)
#8498CB
Tritanopia (blue-blind)
#00B1B3
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #57a7cb;
/* rgb */ color: rgb(87, 167, 203);
/* oklch */ color: oklch(69.2% 0.095 229.5);
Tailwind
colors: {
  custom: {
    50: '#90c1db',
    500: '#57a7cb',
    950: '#000000',
  },
}
SCSS
$custom: #57a7cb;
$custom-light: #90c1db;
$custom-dark: #000000;
JSON
{
  "hex": "#57a7cb",
  "rgb": {
    "r": 87,
    "g": 167,
    "b": 203
  },
  "hsl": {
    "h": 198.621,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.6919,
    "c": 0.0945,
    "h": 229.5
  },
  "luminance": 0.33975
}

Semantic roles & 50–950 ramp

primary
#57A7CB
secondary
#D7B6A7
accent
#784CDC
background
#F9FBFD
surface
#F2F7FA
border
#CCD0D3
text
#0D1215
muted
#7E8183

Preview Lab

Preview with #57A7CB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#57A7CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva