#57AAEB#57AAEB

#57AAEB is a light, vivid cyan. Relative luminance 0.368; OKLCH L 71.3% C 0.125 H 244.5°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#57AAEB
RGB	rgb(87, 170, 235)
HSL	hsl(206, 79%, 63%)
HSV	hsv(206, 63%, 92%)
CMYK	cmyk(63%, 27.7%, 0%, 7.8%)
CIE-LAB	lab(67.10, -5.74, -40.09)
CIE-LCH	lch(67.10, 40.50, 261.85°)
OKLab	oklab(71.34% -0.0538 -0.1129)
OKLCH	oklch(71.34% 0.125 244.5)
XYZ	xyz(33.2950, 36.7705, 83.9239)
Luminance	0.3677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AAEB #EB9857

analogous

#57EBE2 #57AAEB #5760EB

triadic

#57AAEB #EB57AA #AAEB57

tetradic

#57AAEB #E257EB #EB9857 #60EB57

square

#57AAEB #E257EB #EB9857 #60EB57

split-complementary

#57AAEB #EB5760 #EBE257

monochromatic

#156DB2 #208EE4 #57AAEB #8EC6F2 #C4E1F8

Accessibility & contrast

On white

2.51

#57AAEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#57AAEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AAEB

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AAEB	#FFFFFF	#000000	##000000
##57AAEB	1.00	2.51	8.35	8.35
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DABEE

Deuteranopia (green-blind)

#799DEA

Tritanopia (blue-blind)

#00BAC1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57aaeb;
/* rgb */ color: rgb(87, 170, 235);
/* oklch */ color: oklch(71.3% 0.125 244.5);

Tailwind

colors: {
  custom: {
    50: '#93c3f1',
    500: '#57aaeb',
    950: '#000000',
  },
}

SCSS

$custom: #57aaeb;
$custom-light: #93c3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57aaeb",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 235
  },
  "hsl": {
    "h": 206.351,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.71335,
    "c": 0.1251,
    "h": 244.5
  },
  "luminance": 0.36774
}

Semantic roles & 50–950 ramp

primary

#57AAEB

secondary

#E9CCB4

accent

#660ADB

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57AAEB

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

Preview Lab → · Contrast checker → · Palette generator →