#57B3EA#57B3EA

#57B3EA is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.3% C 0.118 H 237.7°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#57B3EA
RGB	rgb(87, 179, 234)
HSL	hsl(202, 78%, 63%)
HSV	hsv(202, 63%, 92%)
CMYK	cmyk(62.8%, 23.5%, 0%, 8.2%)
CIE-LAB	lab(69.61, -11.00, -35.63)
CIE-LCH	lch(69.61, 37.29, 252.85°)
OKLab	oklab(73.31% -0.0633 -0.1)
OKLCH	oklch(73.31% 0.118 237.7)
XYZ	xyz(34.8962, 40.2034, 83.7469)
Luminance	0.4021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3EA #EA8E57

analogous

#57EAD8 #57B3EA #5769EA

triadic

#57B3EA #EA57B3 #B3EA57

tetradic

#57B3EA #D857EA #EA8E57 #69EA57

square

#57B3EA #D857EA #EA8E57 #69EA57

split-complementary

#57B3EA #EA5769 #EAD857

monochromatic

#1677B1 #219AE3 #57B3EA #8DCCF1 #C4E4F8

Accessibility & contrast

On white

2.32

#57B3EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#57B3EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3EA

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3EA	#FFFFFF	#000000	##000000
##57B3EA	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B2ED

Deuteranopia (green-blind)

#85A4E9

Tritanopia (blue-blind)

#00C1C6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b3ea;
/* rgb */ color: rgb(87, 179, 234);
/* oklch */ color: oklch(73.3% 0.118 237.7);

Tailwind

colors: {
  custom: {
    50: '#94c9f1',
    500: '#57b3ea',
    950: '#000000',
  },
}

SCSS

$custom: #57b3ea;
$custom-light: #94c9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3ea",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 234
  },
  "hsl": {
    "h": 202.449,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.73308,
    "c": 0.11838,
    "h": 237.7
  },
  "luminance": 0.40207
}

Semantic roles & 50–950 ramp

primary

#57B3EA

secondary

#E9C8B4

accent

#590BDA

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B3EA

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

Preview Lab → · Contrast checker → · Palette generator →