#57B4E2#57B4E2

#57B4E2 is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.2% C 0.110 H 232.6°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX#57B4E2
RGBrgb(87, 180, 226)
HSLhsl(200, 71%, 61%)
HSVhsv(200, 62%, 89%)
CMYKcmyk(61.5%, 20.4%, 0%, 11.4%)
CIE-LABlab(69.58, -14.04, -31.32)
CIE-LCHlch(69.58, 34.32, 245.86°)
OKLaboklab(73.18% -0.0671 -0.0876)
OKLCHoklch(73.18% 0.11 232.6)
XYZxyz(33.9739, 40.1564, 77.8973)
Luminance0.4016 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B4E2 #E28557
analogous
#57E2CB #57B4E2 #576FE2
triadic
#57B4E2 #E257B4 #B4E257
tetradic
#57B4E2 #CB57E2 #E28557 #6FE257
square
#57B4E2 #CB57E2 #E28557 #6FE257
split-complementary
#57B4E2 #E2576F #E2CB57
monochromatic
#1C76A3 #259CD7 #57B4E2 #8BCBEB #BFE3F4

Accessibility & contrast

On white

2.33
#57B4E2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.03
#57B4E2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E2
9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B4E2#FFFFFF#000000##000000
##57B4E21.002.339.039.03
#FFFFFF2.331.0021.0021.00
#0000009.0321.001.001.00
##0000009.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB2E4
Deuteranopia (green-blind)
#8AA4E1
Tritanopia (blue-blind)
#00C0C3
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #57b4e2;
/* rgb */ color: rgb(87, 180, 226);
/* oklch */ color: oklch(73.2% 0.110 232.6);
Tailwind
colors: {
  custom: {
    50: '#93caeb',
    500: '#57b4e2',
    950: '#000000',
  },
}
SCSS
$custom: #57b4e2;
$custom-light: #93caeb;
$custom-dark: #000000;
JSON
{
  "hex": "#57b4e2",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 226
  },
  "hsl": {
    "h": 199.856,
    "s": 70.558,
    "l": 61.373
  },
  "oklch": {
    "l": 0.73176,
    "c": 0.11034,
    "h": 232.6
  },
  "luminance": 0.4016
}

Semantic roles & 50–950 ramp

primary
#57B4E2
secondary
#E4C2B0
accent
#5213D3
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57B4E2

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

Preview Lab → · Contrast checker → · Palette generator →

#57B4E2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva