#57B2E8#57B2E8

#57B2E8 is a light, moderate cyan. Relative luminance 0.397; OKLCH L 73.0% C 0.117 H 237.4°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#57B2E8
RGB	rgb(87, 178, 232)
HSL	hsl(202, 76%, 63%)
HSV	hsv(202, 63%, 91%)
CMYK	cmyk(62.5%, 23.3%, 0%, 9%)
CIE-LAB	lab(69.25, -11.09, -35.11)
CIE-LCH	lch(69.25, 36.82, 252.47°)
OKLab	oklab(72.99% -0.063 -0.0985)
OKLCH	oklch(72.99% 0.117 237.4)
XYZ	xyz(34.4108, 39.6898, 82.1757)
Luminance	0.3969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B2E8 #E88D57

analogous

#57E8D6 #57B2E8 #5769E8

triadic

#57B2E8 #E857B2 #B2E857

tetradic

#57B2E8 #D657E8 #E88D57 #69E857

square

#57B2E8 #D657E8 #E88D57 #69E857

split-complementary

#57B2E8 #E85769 #E8D657

monochromatic

#1875AD #2199E1 #57B2E8 #8DCBEF #C3E3F7

Accessibility & contrast

On white

2.35

#57B2E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.94

#57B2E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B2E8

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B2E8	#FFFFFF	#000000	##000000
##57B2E8	1.00	2.35	8.94	8.94
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.94	21.00	1.00	1.00
##000000	8.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B1EB

Deuteranopia (green-blind)

#85A3E7

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b2e8;
/* rgb */ color: rgb(87, 178, 232);
/* oklch */ color: oklch(73.0% 0.117 237.4);

Tailwind

colors: {
  custom: {
    50: '#93c9ef',
    500: '#57b2e8',
    950: '#000000',
  },
}

SCSS

$custom: #57b2e8;
$custom-light: #93c9ef;
$custom-dark: #000000;

JSON

{
  "hex": "#57b2e8",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 232
  },
  "hsl": {
    "h": 202.345,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.7299,
    "c": 0.11692,
    "h": 237.4
  },
  "luminance": 0.39693
}

Semantic roles & 50–950 ramp

primary

#57B2E8

secondary

#E8C7B3

accent

#590DD8

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B2E8

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

Preview Lab → · Contrast checker → · Palette generator →