#57C1EB#57C1EB

#57C1EB is a light, moderate cyan. Relative luminance 0.462; OKLCH L 76.5% C 0.114 H 227.2°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#57C1EB
RGB	rgb(87, 193, 235)
HSL	hsl(197, 79%, 63%)
HSV	hsv(197, 63%, 92%)
CMYK	cmyk(63%, 17.9%, 0%, 7.8%)
CIE-LAB	lab(73.65, -18.11, -29.94)
CIE-LCH	lch(73.65, 34.99, 238.83°)
OKLab	oklab(76.53% -0.0773 -0.0836)
OKLCH	oklch(76.53% 0.114 227.2)
XYZ	xyz(37.9899, 46.1604, 85.4889)
Luminance	0.4616 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C1EB #EB8157

analogous

#57EBCB #57C1EB #5777EB

triadic

#57C1EB #EB57C1 #C1EB57

tetradic

#57C1EB #CB57EB #EB8157 #77EB57

square

#57C1EB #CB57EB #EB8157 #77EB57

split-complementary

#57C1EB #EB5777 #EBCB57

monochromatic

#1586B2 #20ADE4 #57C1EB #8ED5F2 #C4E9F8

Accessibility & contrast

On white

2.05

#57C1EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#57C1EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C1EB

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C1EB	#FFFFFF	#000000	##000000
##57C1EB	1.00	2.05	10.23	10.23
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.23	21.00	1.00	1.00
##000000	10.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBEED

Deuteranopia (green-blind)

#96AEEA

Tritanopia (blue-blind)

#00CDCF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #57c1eb;
/* rgb */ color: rgb(87, 193, 235);
/* oklch */ color: oklch(76.5% 0.114 227.2);

Tailwind

colors: {
  custom: {
    50: '#94d3f1',
    500: '#57c1eb',
    950: '#000000',
  },
}

SCSS

$custom: #57c1eb;
$custom-light: #94d3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57c1eb",
  "rgb": {
    "r": 87,
    "g": 193,
    "b": 235
  },
  "hsl": {
    "h": 197.027,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.76533,
    "c": 0.11389,
    "h": 227.2
  },
  "luminance": 0.46164
}

Semantic roles & 50–950 ramp

primary

#57C1EB

secondary

#E9C3B4

accent

#460ADB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57C1EB

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

Preview Lab → · Contrast checker → · Palette generator →