#57B4E5#57B4E5

#57B4E5 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.3% C 0.113 H 234.3°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX#57B4E5
RGBrgb(87, 180, 229)
HSLhsl(201, 73%, 62%)
HSVhsv(201, 62%, 90%)
CMYKcmyk(62%, 21.4%, 0%, 10.2%)
CIE-LABlab(69.70, -13.11, -32.78)
CIE-LCHlch(69.70, 35.30, 248.21°)
OKLaboklab(73.31% -0.066 -0.0918)
OKLCHoklch(73.31% 0.113 234.3)
XYZxyz(34.3891, 40.3225, 80.0842)
Luminance0.4033 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B4E5 #E58857
analogous
#57E5CF #57B4E5 #576DE5
triadic
#57B4E5 #E557B4 #B4E557
tetradic
#57B4E5 #CF57E5 #E58857 #6DE557
square
#57B4E5 #CF57E5 #E58857 #6DE557
split-complementary
#57B4E5 #E5576D #E5CF57
monochromatic
#1A77A8 #229CDD #57B4E5 #8CCCED #C1E3F5

Accessibility & contrast

On white

2.32
#57B4E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.07
#57B4E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E5
9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B4E5#FFFFFF#000000##000000
##57B4E51.002.329.079.07
#FFFFFF2.321.0021.0021.00
#0000009.0721.001.001.00
##0000009.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CB2E7
Deuteranopia (green-blind)
#89A4E4
Tritanopia (blue-blind)
#00C1C4
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #57b4e5;
/* rgb */ color: rgb(87, 180, 229);
/* oklch */ color: oklch(73.3% 0.113 234.3);
Tailwind
colors: {
  custom: {
    50: '#93caed',
    500: '#57b4e5',
    950: '#000000',
  },
}
SCSS
$custom: #57b4e5;
$custom-light: #93caed;
$custom-dark: #000000;
JSON
{
  "hex": "#57b4e5",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 229
  },
  "hsl": {
    "h": 200.704,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.73309,
    "c": 0.11308,
    "h": 234.3
  },
  "luminance": 0.40326
}

Semantic roles & 50–950 ramp

primary
#57B4E5
secondary
#E6C4B2
accent
#5410D5
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57B4E5

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

Preview Lab → · Contrast checker → · Palette generator →

#57B4E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva