#57B0E4#57B0E4

#57B0E4 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.4% C 0.114 H 236.9°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#57B0E4
RGB	rgb(87, 176, 228)
HSL	hsl(202, 72%, 62%)
HSV	hsv(202, 62%, 89%)
CMYK	cmyk(61.8%, 22.8%, 0%, 10.6%)
CIE-LAB	lab(68.52, -11.26, -34.06)
CIE-LCH	lch(68.52, 35.88, 251.70°)
OKLab	oklab(72.36% -0.0622 -0.0955)
OKLCH	oklch(72.36% 0.114 236.9)
XYZ	xyz(33.4541, 38.6750, 79.0857)
Luminance	0.3868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B0E4 #E48B57

analogous

#57E4D2 #57B0E4 #576AE4

triadic

#57B0E4 #E457B0 #B0E457

tetradic

#57B0E4 #D257E4 #E48B57 #6AE457

square

#57B0E4 #D257E4 #E48B57 #6AE457

split-complementary

#57B0E4 #E4576A #E4D257

monochromatic

#1B73A6 #2397DB #57B0E4 #8CC9EC #C0E2F5

Accessibility & contrast

On white

2.40

#57B0E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#57B0E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B0E4

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B0E4	#FFFFFF	#000000	##000000
##57B0E4	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98AFE6

Deuteranopia (green-blind)

#84A1E3

Tritanopia (blue-blind)

#00BDC2

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #57b0e4;
/* rgb */ color: rgb(87, 176, 228);
/* oklch */ color: oklch(72.4% 0.114 236.9);

Tailwind

colors: {
  custom: {
    50: '#93c7ec',
    500: '#57b0e4',
    950: '#000000',
  },
}

SCSS

$custom: #57b0e4;
$custom-light: #93c7ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57b0e4",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 228
  },
  "hsl": {
    "h": 202.128,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.72355,
    "c": 0.11399,
    "h": 236.9
  },
  "luminance": 0.38678
}

Semantic roles & 50–950 ramp

primary

#57B0E4

secondary

#E6C5B1

accent

#5911D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B0E4

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

Preview Lab → · Contrast checker → · Palette generator →