#57C0EB#57C0EB

#57C0EB is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.3% C 0.114 H 228.0°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#57C0EB
RGB	rgb(87, 192, 235)
HSL	hsl(197, 79%, 63%)
HSV	hsv(197, 63%, 92%)
CMYK	cmyk(63%, 18.3%, 0%, 7.8%)
CIE-LAB	lab(73.36, -17.59, -30.38)
CIE-LCH	lch(73.36, 35.10, 239.93°)
OKLab	oklab(76.3% -0.0763 -0.0849)
OKLCH	oklch(76.3% 0.114 228)
XYZ	xyz(37.7696, 45.7198, 85.4155)
Luminance	0.4572 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C0EB #EB8257

analogous

#57EBCC #57C0EB #5776EB

triadic

#57C0EB #EB57C0 #C0EB57

tetradic

#57C0EB #CC57EB #EB8257 #76EB57

square

#57C0EB #CC57EB #EB8257 #76EB57

split-complementary

#57C0EB #EB5776 #EBCC57

monochromatic

#1585B2 #20ABE4 #57C0EB #8ED5F2 #C4E9F8

Accessibility & contrast

On white

2.07

#57C0EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#57C0EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C0EB

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C0EB	#FFFFFF	#000000	##000000
##57C0EB	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BDED

Deuteranopia (green-blind)

#95ADEA

Tritanopia (blue-blind)

#00CCCE

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #57c0eb;
/* rgb */ color: rgb(87, 192, 235);
/* oklch */ color: oklch(76.3% 0.114 228.0);

Tailwind

colors: {
  custom: {
    50: '#94d3f1',
    500: '#57c0eb',
    950: '#000000',
  },
}

SCSS

$custom: #57c0eb;
$custom-light: #94d3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57c0eb",
  "rgb": {
    "r": 87,
    "g": 192,
    "b": 235
  },
  "hsl": {
    "h": 197.432,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.76304,
    "c": 0.11413,
    "h": 228
  },
  "luminance": 0.45724
}

Semantic roles & 50–950 ramp

primary

#57C0EB

secondary

#E9C4B4

accent

#470ADB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57C0EB

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

Preview Lab → · Contrast checker → · Palette generator →