#57CFEB#57CFEB

#57CFEB is a light, moderate cyan. Relative luminance 0.526; OKLCH L 79.7% C 0.113 H 215.8°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#57CFEB
RGB	rgb(87, 207, 235)
HSL	hsl(191, 79%, 63%)
HSV	hsv(191, 63%, 92%)
CMYK	cmyk(63%, 11.9%, 0%, 7.8%)
CIE-LAB	lab(77.67, -25.23, -23.79)
CIE-LCH	lch(77.67, 34.67, 223.32°)
OKLab	oklab(79.75% -0.0916 -0.0661)
OKLCH	oklch(79.75% 0.113 215.8)
XYZ	xyz(41.2326, 52.6457, 86.5698)
Luminance	0.5265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57CFEB #EB7357

analogous

#57EBBD #57CFEB #5785EB

triadic

#57CFEB #EB57CF #CFEB57

tetradic

#57CFEB #BD57EB #EB7357 #85EB57

square

#57CFEB #BD57EB #EB7357 #85EB57

split-complementary

#57CFEB #EB5785 #EBBD57

monochromatic

#1595B2 #20BFE4 #57CFEB #8EDFF2 #C4EEF8

Accessibility & contrast

On white

1.82

#57CFEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#57CFEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57CFEB

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57CFEB	#FFFFFF	#000000	##000000
##57CFEB	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC9ED

Deuteranopia (green-blind)

#A6B9EB

Tritanopia (blue-blind)

#00D9D8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #57cfeb;
/* rgb */ color: rgb(87, 207, 235);
/* oklch */ color: oklch(79.7% 0.113 215.8);

Tailwind

colors: {
  custom: {
    50: '#95def1',
    500: '#57cfeb',
    950: '#000000',
  },
}

SCSS

$custom: #57cfeb;
$custom-light: #95def1;
$custom-dark: #000000;

JSON

{
  "hex": "#57cfeb",
  "rgb": {
    "r": 87,
    "g": 207,
    "b": 235
  },
  "hsl": {
    "h": 191.351,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.79748,
    "c": 0.11297,
    "h": 215.8
  },
  "luminance": 0.5265
}

Semantic roles & 50–950 ramp

primary

#57CFEB

secondary

#B34C34

accent

#320ADB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #57CFEB

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

Preview Lab → · Contrast checker → · Palette generator →