#57C9EA#57C9EA

#57C9EA is a light, moderate cyan. Relative luminance 0.497; OKLCH L 78.3% C 0.112 H 220.1°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#57C9EA
RGB	rgb(87, 201, 234)
HSL	hsl(193, 78%, 63%)
HSV	hsv(193, 63%, 92%)
CMYK	cmyk(62.8%, 14.1%, 0%, 8.2%)
CIE-LAB	lab(75.91, -22.51, -25.94)
CIE-LCH	lch(75.91, 34.34, 229.04°)
OKLab	oklab(78.33% -0.0859 -0.0722)
OKLCH	oklch(78.33% 0.112 220.1)
XYZ	xyz(39.6624, 49.7359, 85.3357)
Luminance	0.4974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C9EA #EA7857

analogous

#57EAC1 #57C9EA #5780EA

triadic

#57C9EA #EA57C9 #C9EA57

tetradic

#57C9EA #C157EA #EA7857 #80EA57

square

#57C9EA #C157EA #EA7857 #80EA57

split-complementary

#57C9EA #EA5780 #EAC157

monochromatic

#168EB1 #21B8E3 #57C9EA #8DDAF1 #C4ECF8

Accessibility & contrast

On white

1.92

#57C9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#57C9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C9EA

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C9EA	#FFFFFF	#000000	##000000
##57C9EA	1.00	1.92	10.95	10.95
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.95	21.00	1.00	1.00
##000000	10.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C4EC

Deuteranopia (green-blind)

#A0B4EA

Tritanopia (blue-blind)

#00D4D3

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #57c9ea;
/* rgb */ color: rgb(87, 201, 234);
/* oklch */ color: oklch(78.3% 0.112 220.1);

Tailwind

colors: {
  custom: {
    50: '#95d9f0',
    500: '#57c9ea',
    950: '#000000',
  },
}

SCSS

$custom: #57c9ea;
$custom-light: #95d9f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57c9ea",
  "rgb": {
    "r": 87,
    "g": 201,
    "b": 234
  },
  "hsl": {
    "h": 193.469,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.78326,
    "c": 0.11219,
    "h": 220.1
  },
  "luminance": 0.4974
}

Semantic roles & 50–950 ramp

primary

#57C9EA

secondary

#E9C0B4

accent

#3A0BDA

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #57C9EA

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

Preview Lab → · Contrast checker → · Palette generator →