#57C3EB#57C3EB

#57C3EB is a light, moderate cyan. Relative luminance 0.471; OKLCH L 77.0% C 0.113 H 225.6°. Best body text is #000000 at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#57C3EB
RGB	rgb(87, 195, 235)
HSL	hsl(196, 79%, 63%)
HSV	hsv(196, 63%, 92%)
CMYK	cmyk(63%, 17%, 0%, 7.8%)
CIE-LAB	lab(74.22, -19.15, -29.06)
CIE-LCH	lch(74.22, 34.80, 236.62°)
OKLab	oklab(76.99% -0.0794 -0.0811)
OKLCH	oklch(76.99% 0.113 225.6)
XYZ	xyz(38.4350, 47.0506, 85.6373)
Luminance	0.4706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C3EB #EB7F57

analogous

#57EBC9 #57C3EB #5779EB

triadic

#57C3EB #EB57C3 #C3EB57

tetradic

#57C3EB #C957EB #EB7F57 #79EB57

square

#57C3EB #C957EB #EB7F57 #79EB57

split-complementary

#57C3EB #EB5779 #EBC957

monochromatic

#1588B2 #20AFE4 #57C3EB #8ED7F2 #C4EAF8

Accessibility & contrast

On white

2.02

#57C3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.41

#57C3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C3EB

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C3EB	#FFFFFF	#000000	##000000
##57C3EB	1.00	2.02	10.41	10.41
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.41	21.00	1.00	1.00
##000000	10.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBFED

Deuteranopia (green-blind)

#98B0EB

Tritanopia (blue-blind)

#00CFD0

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #57c3eb;
/* rgb */ color: rgb(87, 195, 235);
/* oklch */ color: oklch(77.0% 0.113 225.6);

Tailwind

colors: {
  custom: {
    50: '#94d5f1',
    500: '#57c3eb',
    950: '#000000',
  },
}

SCSS

$custom: #57c3eb;
$custom-light: #94d5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57c3eb",
  "rgb": {
    "r": 87,
    "g": 195,
    "b": 235
  },
  "hsl": {
    "h": 196.216,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.7699,
    "c": 0.11348,
    "h": 225.6
  },
  "luminance": 0.47055
}

Semantic roles & 50–950 ramp

primary

#57C3EB

secondary

#E9C3B4

accent

#430ADB

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #57C3EB

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

Preview Lab → · Contrast checker → · Palette generator →