#57B3E7#57B3E7

#57B3E7 is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.2% C 0.115 H 236.1°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#57B3E7
RGBrgb(87, 179, 231)
HSLhsl(202, 75%, 62%)
HSVhsv(202, 62%, 91%)
CMYKcmyk(62.3%, 22.5%, 0%, 9.4%)
CIE-LABlab(69.49, -11.94, -34.19)
CIE-LCHlch(69.49, 36.21, 250.74°)
OKLaboklab(73.17% -0.0643 -0.0958)
OKLCHoklch(73.17% 0.115 236.1)
XYZxyz(34.4688, 40.0325, 81.4963)
Luminance0.4004 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B3E7 #E78B57
analogous
#57E7D3 #57B3E7 #576BE7
triadic
#57B3E7 #E757B3 #B3E757
tetradic
#57B3E7 #D357E7 #E78B57 #6BE757
square
#57B3E7 #D357E7 #E78B57 #6BE757
split-complementary
#57B3E7 #E7576B #E7D357
monochromatic
#1876AB #219BDF #57B3E7 #8DCBEF #C2E3F6

Accessibility & contrast

On white

2.33
#57B3E7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.01
#57B3E7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3E7
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B3E7#FFFFFF#000000##000000
##57B3E71.002.339.019.01
#FFFFFF2.331.0021.0021.00
#0000009.0121.001.001.00
##0000009.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AB2E9
Deuteranopia (green-blind)
#87A3E6
Tritanopia (blue-blind)
#00C0C4
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #57b3e7;
/* rgb */ color: rgb(87, 179, 231);
/* oklch */ color: oklch(73.2% 0.115 236.1);
Tailwind
colors: {
  custom: {
    50: '#93c9ee',
    500: '#57b3e7',
    950: '#000000',
  },
}
SCSS
$custom: #57b3e7;
$custom-light: #93c9ee;
$custom-dark: #000000;
JSON
{
  "hex": "#57b3e7",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 231
  },
  "hsl": {
    "h": 201.667,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.73171,
    "c": 0.11543,
    "h": 236.1
  },
  "luminance": 0.40036
}

Semantic roles & 50–950 ramp

primary
#57B3E7
secondary
#E7C6B3
accent
#570ED7
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57B3E7

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

Preview Lab → · Contrast checker → · Palette generator →

#57B3E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva