#57A2EC#57A2EC

#57A2EC is a light, vivid cyan. Relative luminance 0.339; OKLCH L 69.6% C 0.133 H 250.0°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#57A2EC
RGB	rgb(87, 162, 236)
HSL	hsl(210, 80%, 63%)
HSV	hsv(210, 63%, 93%)
CMYK	cmyk(63.1%, 31.4%, 0%, 7.5%)
CIE-LAB	lab(64.90, -0.92, -44.10)
CIE-LCH	lch(64.90, 44.11, 268.81°)
OKLab	oklab(69.61% -0.0454 -0.1246)
OKLCH	oklch(69.61% 0.133 250)
XYZ	xyz(31.9856, 33.9199, 84.2022)
Luminance	0.3392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A2EC #ECA157

analogous

#57ECEC #57A2EC #5757EC

triadic

#57A2EC #EC57A2 #A2EC57

tetradic

#57A2EC #EC57EC #ECA157 #57EC57

square

#57A2EC #EC57EC #ECA157 #57EC57

split-complementary

#57A2EC #EC5757 #ECEC57

monochromatic

#1465B4 #2084E6 #57A2EC #8EC0F2 #C5DFF8

Accessibility & contrast

On white

2.70

#57A2EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#57A2EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A2EC

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A2EC	#FFFFFF	#000000	##000000
##57A2EC	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A5EF

Deuteranopia (green-blind)

#6E97EB

Tritanopia (blue-blind)

#00B3BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57a2ec;
/* rgb */ color: rgb(87, 162, 236);
/* oklch */ color: oklch(69.6% 0.133 250.0);

Tailwind

colors: {
  custom: {
    50: '#93bdf2',
    500: '#57a2ec',
    950: '#000000',
  },
}

SCSS

$custom: #57a2ec;
$custom-light: #93bdf2;
$custom-dark: #000000;

JSON

{
  "hex": "#57a2ec",
  "rgb": {
    "r": 87,
    "g": 162,
    "b": 236
  },
  "hsl": {
    "h": 209.799,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.69613,
    "c": 0.13263,
    "h": 250
  },
  "luminance": 0.33923
}

Semantic roles & 50–950 ramp

primary

#57A2EC

secondary

#EACFB5

accent

#720ADC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A2EC

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

Preview Lab → · Contrast checker → · Palette generator →