#57A7BB#57A7BB

#57A7BB is a light, moderate cyan. Relative luminance 0.333; OKLCH L 68.5% C 0.084 H 216.1°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#57A7BB
RGBrgb(87, 167, 187)
HSLhsl(192, 42%, 54%)
HSVhsv(192, 53%, 73%)
CMYKcmyk(53.5%, 10.7%, 0%, 26.7%)
CIE-LABlab(64.36, -18.86, -17.79)
CIE-LCHlch(64.36, 25.93, 223.32°)
OKLaboklab(68.54% -0.0674 -0.0492)
OKLCHoklch(68.54% 0.084 216.1)
XYZxyz(26.7153, 33.2491, 52.0139)
Luminance0.3325 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A7BB #BB6B57
analogous
#57BB9D #57A7BB #5775BB
triadic
#57A7BB #BB57A7 #A7BB57
tetradic
#57A7BB #9D57BB #BB6B57 #75BB57
square
#57A7BB #9D57BB #BB6B57 #75BB57
split-complementary
#57A7BB #BB5775 #BB9D57
monochromatic
#2C5F6C #3D8597 #57A7BB #83BECD #AED5DE

Accessibility & contrast

On white

2.74
#57A7BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.65
#57A7BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A7BB
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A7BB#FFFFFF#000000##000000
##57A7BB1.002.747.657.65
#FFFFFF2.741.0021.0021.00
#0000007.6521.001.001.00
##0000007.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#99A3BC
Deuteranopia (green-blind)
#8A97BB
Tritanopia (blue-blind)
#04AEAD
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #57a7bb;
/* rgb */ color: rgb(87, 167, 187);
/* oklch */ color: oklch(68.5% 0.084 216.1);
Tailwind
colors: {
  custom: {
    50: '#8ec1cf',
    500: '#57a7bb',
    950: '#000000',
  },
}
SCSS
$custom: #57a7bb;
$custom-light: #8ec1cf;
$custom-dark: #000000;
JSON
{
  "hex": "#57a7bb",
  "rgb": {
    "r": 87,
    "g": 167,
    "b": 187
  },
  "hsl": {
    "h": 192,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.68536,
    "c": 0.0835,
    "h": 216.1
  },
  "luminance": 0.33252
}

Semantic roles & 50–950 ramp

primary
#57A7BB
secondary
#CCAAA2
accent
#6F56D2
background
#F9FBFC
surface
#F1F7F9
border
#CBD0D2
text
#0D1213
muted
#7E8182

Preview Lab

Preview with #57A7BB

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

Preview Lab → · Contrast checker → · Palette generator →

#57A7BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva