#57C1EA#57C1EA

#57C1EA is a light, moderate cyan. Relative luminance 0.461; OKLCH L 76.5% C 0.113 H 226.6°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#57C1EA
RGB	rgb(87, 193, 234)
HSL	hsl(197, 78%, 63%)
HSV	hsv(197, 63%, 92%)
CMYK	cmyk(62.8%, 17.5%, 0%, 8.2%)
CIE-LAB	lab(73.61, -18.42, -29.46)
CIE-LCH	lch(73.61, 34.74, 237.99°)
OKLab	oklab(76.49% -0.0777 -0.0822)
OKLCH	oklch(76.49% 0.113 226.6)
XYZ	xyz(37.8458, 46.1028, 84.7302)
Luminance	0.4611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C1EA #EA8057

analogous

#57EACA #57C1EA #5777EA

triadic

#57C1EA #EA57C1 #C1EA57

tetradic

#57C1EA #CA57EA #EA8057 #77EA57

square

#57C1EA #CA57EA #EA8057 #77EA57

split-complementary

#57C1EA #EA5777 #EACA57

monochromatic

#1685B1 #21ADE3 #57C1EA #8DD5F1 #C4E9F8

Accessibility & contrast

On white

2.05

#57C1EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#57C1EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C1EA

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C1EA	#FFFFFF	#000000	##000000
##57C1EA	1.00	2.05	10.22	10.22
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBDEC

Deuteranopia (green-blind)

#96AEEA

Tritanopia (blue-blind)

#00CDCE

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #57c1ea;
/* rgb */ color: rgb(87, 193, 234);
/* oklch */ color: oklch(76.5% 0.113 226.6);

Tailwind

colors: {
  custom: {
    50: '#94d3f0',
    500: '#57c1ea',
    950: '#000000',
  },
}

SCSS

$custom: #57c1ea;
$custom-light: #94d3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57c1ea",
  "rgb": {
    "r": 87,
    "g": 193,
    "b": 234
  },
  "hsl": {
    "h": 196.735,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.76491,
    "c": 0.11313,
    "h": 226.6
  },
  "luminance": 0.46107
}

Semantic roles & 50–950 ramp

primary

#57C1EA

secondary

#E9C3B4

accent

#450BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57C1EA

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

Preview Lab → · Contrast checker → · Palette generator →