#57C1ED#57C1ED

#57C1ED is a light, moderate cyan. Relative luminance 0.463; OKLCH L 76.6% C 0.115 H 228.4°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX#57C1ED
RGBrgb(87, 193, 237)
HSLhsl(198, 81%, 64%)
HSVhsv(198, 63%, 93%)
CMYKcmyk(63.3%, 18.6%, 0%, 7.1%)
CIE-LABlab(73.72, -17.50, -30.90)
CIE-LCHlch(73.72, 35.51, 240.48°)
OKLaboklab(76.62% -0.0766 -0.0864)
OKLCHoklch(76.62% 0.115 228.4)
XYZxyz(38.2805, 46.2766, 87.0192)
Luminance0.4628 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C1ED #ED8357
analogous
#57EDCE #57C1ED #5776ED
triadic
#57C1ED #ED57C1 #C1ED57
tetradic
#57C1ED #CE57ED #ED8357 #76ED57
square
#57C1ED #CE57ED #ED8357 #76ED57
split-complementary
#57C1ED #ED5776 #EDCE57
monochromatic
#1486B6 #20ADE7 #57C1ED #8ED5F3 #C6EAF9

Accessibility & contrast

On white

2.05
#57C1ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.26
#57C1ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C1ED
10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C1ED#FFFFFF#000000##000000
##57C1ED1.002.0510.2610.26
#FFFFFF2.051.0021.0021.00
#00000010.2621.001.001.00
##00000010.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#AABEEF
Deuteranopia (green-blind)
#95AEEC
Tritanopia (blue-blind)
#00CECF
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #57c1ed;
/* rgb */ color: rgb(87, 193, 237);
/* oklch */ color: oklch(76.6% 0.115 228.4);
Tailwind
colors: {
  custom: {
    50: '#95d3f3',
    500: '#57c1ed',
    950: '#000000',
  },
}
SCSS
$custom: #57c1ed;
$custom-light: #95d3f3;
$custom-dark: #000000;
JSON
{
  "hex": "#57c1ed",
  "rgb": {
    "r": 87,
    "g": 193,
    "b": 237
  },
  "hsl": {
    "h": 197.6,
    "s": 80.645,
    "l": 63.529
  },
  "oklch": {
    "l": 0.76618,
    "c": 0.11545,
    "h": 228.4
  },
  "luminance": 0.46281
}

Semantic roles & 50–950 ramp

primary
#57C1ED
secondary
#EAC5B5
accent
#4709DD
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1417
muted
#7E8285

Preview Lab

Preview with #57C1ED

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

Preview Lab → · Contrast checker → · Palette generator →

#57C1ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva