#57A9EC#57A9EC

#57A9EC is a light, vivid cyan. Relative luminance 0.365; OKLCH L 71.2% C 0.127 H 245.6°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#57A9EC
RGB	rgb(87, 169, 236)
HSL	hsl(207, 80%, 63%)
HSV	hsv(207, 63%, 93%)
CMYK	cmyk(63.1%, 28.4%, 0%, 7.5%)
CIE-LAB	lab(66.87, -4.86, -41.01)
CIE-LCH	lch(66.87, 41.30, 263.24°)
OKLab	oklab(71.16% -0.0525 -0.1156)
OKLCH	oklch(71.16% 0.127 245.6)
XYZ	xyz(33.2531, 36.4550, 84.6247)
Luminance	0.3646 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A9EC #EC9A57

analogous

#57ECE4 #57A9EC #575EEC

triadic

#57A9EC #EC57A9 #A9EC57

tetradic

#57A9EC #E457EC #EC9A57 #5EEC57

square

#57A9EC #E457EC #EC9A57 #5EEC57

split-complementary

#57A9EC #EC575E #ECE457

monochromatic

#146CB4 #208DE6 #57A9EC #8EC5F2 #C5E1F8

Accessibility & contrast

On white

2.53

#57A9EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.29

#57A9EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9EC

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A9EC	#FFFFFF	#000000	##000000
##57A9EC	1.00	2.53	8.29	8.29
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.29	21.00	1.00	1.00
##000000	8.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CABEF

Deuteranopia (green-blind)

#779CEB

Tritanopia (blue-blind)

#00B9C0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57a9ec;
/* rgb */ color: rgb(87, 169, 236);
/* oklch */ color: oklch(71.2% 0.127 245.6);

Tailwind

colors: {
  custom: {
    50: '#94c2f2',
    500: '#57a9ec',
    950: '#000000',
  },
}

SCSS

$custom: #57a9ec;
$custom-light: #94c2f2;
$custom-dark: #000000;

JSON

{
  "hex": "#57a9ec",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 236
  },
  "hsl": {
    "h": 206.98,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.71162,
    "c": 0.12696,
    "h": 245.6
  },
  "luminance": 0.36458
}

Semantic roles & 50–950 ramp

primary

#57A9EC

secondary

#EACDB5

accent

#680ADC

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A9EC

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

Preview Lab → · Contrast checker → · Palette generator →