#57B7E8#57B7E8

#57B7E8 is a light, moderate cyan. Relative luminance 0.417; OKLCH L 74.1% C 0.115 H 233.5°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#57B7E8
RGB	rgb(87, 183, 232)
HSL	hsl(200, 76%, 63%)
HSV	hsv(200, 63%, 91%)
CMYK	cmyk(62.5%, 21.1%, 0%, 9%)
CIE-LAB	lab(70.67, -13.77, -32.90)
CIE-LCH	lch(70.67, 35.67, 247.28°)
OKLab	oklab(74.12% -0.0681 -0.0921)
OKLCH	oklch(74.12% 0.115 233.5)
XYZ	xyz(35.4238, 41.7158, 82.5134)
Luminance	0.4172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7E8 #E88857

analogous

#57E8D1 #57B7E8 #576EE8

triadic

#57B7E8 #E857B7 #B7E857

tetradic

#57B7E8 #D157E8 #E88857 #6EE857

square

#57B7E8 #D157E8 #E88857 #6EE857

split-complementary

#57B7E8 #E8576E #E8D157

monochromatic

#187AAD #21A0E1 #57B7E8 #8DCEEF #C3E5F7

Accessibility & contrast

On white

2.25

#57B7E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#57B7E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7E8

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7E8	#FFFFFF	#000000	##000000
##57B7E8	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB5EA

Deuteranopia (green-blind)

#8BA6E7

Tritanopia (blue-blind)

#00C4C7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b7e8;
/* rgb */ color: rgb(87, 183, 232);
/* oklch */ color: oklch(74.1% 0.115 233.5);

Tailwind

colors: {
  custom: {
    50: '#94ccef',
    500: '#57b7e8',
    950: '#000000',
  },
}

SCSS

$custom: #57b7e8;
$custom-light: #94ccef;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7e8",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 232
  },
  "hsl": {
    "h": 200.276,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.74124,
    "c": 0.11458,
    "h": 233.5
  },
  "luminance": 0.41719
}

Semantic roles & 50–950 ramp

primary

#57B7E8

secondary

#E8C5B3

accent

#520DD8

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B7E8

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

Preview Lab → · Contrast checker → · Palette generator →