#57B4E8#57B4E8

#57B4E8 is a light, moderate cyan. Relative luminance 0.405; OKLCH L 73.4% C 0.116 H 235.9°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#57B4E8
RGB	rgb(87, 180, 232)
HSL	hsl(202, 76%, 63%)
HSV	hsv(202, 63%, 91%)
CMYK	cmyk(62.5%, 22.4%, 0%, 9%)
CIE-LAB	lab(69.82, -12.17, -34.23)
CIE-LCH	lch(69.82, 36.33, 250.43°)
OKLab	oklab(73.44% -0.065 -0.0959)
OKLCH	oklch(73.44% 0.116 235.9)
XYZ	xyz(34.8116, 40.4914, 82.3093)
Luminance	0.4049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4E8 #E88B57

analogous

#57E8D3 #57B4E8 #576CE8

triadic

#57B4E8 #E857B4 #B4E857

tetradic

#57B4E8 #D357E8 #E88B57 #6CE857

square

#57B4E8 #D357E8 #E88B57 #6CE857

split-complementary

#57B4E8 #E8576C #E8D357

monochromatic

#1877AD #219CE1 #57B4E8 #8DCCEF #C3E4F7

Accessibility & contrast

On white

2.31

#57B4E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#57B4E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E8

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4E8	#FFFFFF	#000000	##000000
##57B4E8	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB3EA

Deuteranopia (green-blind)

#87A4E7

Tritanopia (blue-blind)

#00C2C5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #57b4e8;
/* rgb */ color: rgb(87, 180, 232);
/* oklch */ color: oklch(73.4% 0.116 235.9);

Tailwind

colors: {
  custom: {
    50: '#93caef',
    500: '#57b4e8',
    950: '#000000',
  },
}

SCSS

$custom: #57b4e8;
$custom-light: #93caef;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4e8",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 232
  },
  "hsl": {
    "h": 201.517,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.73443,
    "c": 0.11591,
    "h": 235.9
  },
  "luminance": 0.40495
}

Semantic roles & 50–950 ramp

primary

#57B4E8

secondary

#E8C6B3

accent

#560DD8

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B4E8

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

Preview Lab → · Contrast checker → · Palette generator →