#57B4E6#57B4E6

#57B4E6 is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.4% C 0.114 H 234.8°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX#57B4E6
RGBrgb(87, 180, 230)
HSLhsl(201, 74%, 62%)
HSVhsv(201, 62%, 90%)
CMYKcmyk(62.2%, 21.7%, 0%, 9.8%)
CIE-LABlab(69.74, -12.79, -33.26)
CIE-LCHlch(69.74, 35.64, 248.96°)
OKLaboklab(73.35% -0.0657 -0.0932)
OKLCHoklch(73.35% 0.114 234.8)
XYZxyz(34.5292, 40.3785, 80.8217)
Luminance0.4038 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B4E6 #E68957
analogous
#57E6D0 #57B4E6 #576DE6
triadic
#57B4E6 #E657B4 #B4E657
tetradic
#57B4E6 #D057E6 #E68957 #6DE657
square
#57B4E6 #D057E6 #E68957 #6DE657
split-complementary
#57B4E6 #E6576D #E6D057
monochromatic
#1977A9 #229CDE #57B4E6 #8CCCEE #C2E4F6

Accessibility & contrast

On white

2.31
#57B4E6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.08
#57B4E6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E6
9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B4E6#FFFFFF#000000##000000
##57B4E61.002.319.089.08
#FFFFFF2.311.0021.0021.00
#0000009.0821.001.001.00
##0000009.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CB3E8
Deuteranopia (green-blind)
#88A4E5
Tritanopia (blue-blind)
#00C1C5
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #57b4e6;
/* rgb */ color: rgb(87, 180, 230);
/* oklch */ color: oklch(73.4% 0.114 234.8);
Tailwind
colors: {
  custom: {
    50: '#93caee',
    500: '#57b4e6',
    950: '#000000',
  },
}
SCSS
$custom: #57b4e6;
$custom-light: #93caee;
$custom-dark: #000000;
JSON
{
  "hex": "#57b4e6",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 230
  },
  "hsl": {
    "h": 200.979,
    "s": 74.093,
    "l": 62.157
  },
  "oklch": {
    "l": 0.73353,
    "c": 0.11401,
    "h": 234.8
  },
  "luminance": 0.40382
}

Semantic roles & 50–950 ramp

primary
#57B4E6
secondary
#E7C5B2
accent
#550FD6
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57B4E6

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

Preview Lab → · Contrast checker → · Palette generator →

#57B4E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva