#57B2EA#57B2EA

#57B2EA is a light, moderate cyan. Relative luminance 0.398; OKLCH L 73.1% C 0.119 H 238.4°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#57B2EA
RGB	rgb(87, 178, 234)
HSL	hsl(203, 78%, 63%)
HSV	hsv(203, 63%, 92%)
CMYK	cmyk(62.8%, 23.9%, 0%, 8.2%)
CIE-LAB	lab(69.33, -10.46, -36.08)
CIE-LCH	lch(69.33, 37.56, 253.84°)
OKLab	oklab(73.08% -0.0623 -0.1013)
OKLCH	oklch(73.08% 0.119 238.4)
XYZ	xyz(34.6965, 39.8040, 83.6804)
Luminance	0.3981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B2EA #EA8F57

analogous

#57EAD8 #57B2EA #5768EA

triadic

#57B2EA #EA57B2 #B2EA57

tetradic

#57B2EA #D857EA #EA8F57 #68EA57

square

#57B2EA #D857EA #EA8F57 #68EA57

split-complementary

#57B2EA #EA5768 #EAD857

monochromatic

#1676B1 #2199E3 #57B2EA #8DCBF1 #C4E4F8

Accessibility & contrast

On white

2.34

#57B2EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#57B2EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B2EA

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B2EA	#FFFFFF	#000000	##000000
##57B2EA	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B2ED

Deuteranopia (green-blind)

#84A3E9

Tritanopia (blue-blind)

#00C0C5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b2ea;
/* rgb */ color: rgb(87, 178, 234);
/* oklch */ color: oklch(73.1% 0.119 238.4);

Tailwind

colors: {
  custom: {
    50: '#94c8f1',
    500: '#57b2ea',
    950: '#000000',
  },
}

SCSS

$custom: #57b2ea;
$custom-light: #94c8f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57b2ea",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 234
  },
  "hsl": {
    "h": 202.857,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.73082,
    "c": 0.11891,
    "h": 238.4
  },
  "luminance": 0.39808
}

Semantic roles & 50–950 ramp

primary

#57B2EA

secondary

#E9C8B4

accent

#5A0BDA

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B2EA

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

Preview Lab → · Contrast checker → · Palette generator →