#57B2FF#57B2FF

#57B2FF is a light, vivid cyan. Relative luminance 0.411; OKLCH L 74.1% C 0.142 H 246.8°. Best body text is #000000 at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#57B2FF
RGB	rgb(87, 178, 255)
HSL	hsl(208, 100%, 67%)
HSV	hsv(208, 66%, 100%)
CMYK	cmyk(65.9%, 30.2%, 0%, 0%)
CIE-LAB	lab(70.23, -3.70, -46.06)
CIE-LCH	lch(70.23, 46.21, 265.41°)
OKLab	oklab(74.1% -0.0559 -0.1302)
OKLCH	oklch(74.1% 0.142 246.8)
XYZ	xyz(37.8941, 41.0831, 100.5211)
Luminance	0.4109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B2FF #FFA457

analogous

#57FFF8 #57B2FF #575EFF

triadic

#57B2FF #FF57B2 #B2FF57

tetradic

#57B2FF #F857FF #FFA457 #5EFF57

square

#57B2FF #F857FF #FFA457 #5EFF57

split-complementary

#57B2FF #FF575E #FFF857

monochromatic

#0077DC #1A96FF #57B2FF #94CEFF #D1EAFF

Accessibility & contrast

On white

2.28

#57B2FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.22

#57B2FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B2FF

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B2FF	#FFFFFF	#000000	##000000
##57B2FF	1.00	2.28	9.22	9.22
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.22	21.00	1.00	1.00
##000000	9.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90B5FF

Deuteranopia (green-blind)

#79A4FE

Tritanopia (blue-blind)

#00C4CD

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #57b2ff;
/* rgb */ color: rgb(87, 178, 255);
/* oklch */ color: oklch(74.1% 0.142 246.8);

Tailwind

colors: {
  custom: {
    50: '#96c8ff',
    500: '#57b2ff',
    950: '#000000',
  },
}

SCSS

$custom: #57b2ff;
$custom-light: #96c8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#57b2ff",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 255
  },
  "hsl": {
    "h": 207.5,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.74095,
    "c": 0.14169,
    "h": 246.8
  },
  "luminance": 0.41087
}

Semantic roles & 50–950 ramp

primary

#57B2FF

secondary

#F4D7BE

accent

#6900E6

background

#FAFCFF

surface

#F3F8FF

border

#CDD1D7

text

#0F1318

muted

#7F8286

Preview Lab

Preview with #57B2FF

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

Preview Lab → · Contrast checker → · Palette generator →