#57A8EC#57A8EC

#57A8EC is a light, vivid cyan. Relative luminance 0.361; OKLCH L 70.9% C 0.128 H 246.2°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#57A8EC
RGB	rgb(87, 168, 236)
HSL	hsl(207, 80%, 63%)
HSV	hsv(207, 63%, 93%)
CMYK	cmyk(63.1%, 28.8%, 0%, 7.5%)
CIE-LAB	lab(66.58, -4.30, -41.45)
CIE-LCH	lch(66.58, 41.67, 264.07°)
OKLab	oklab(70.94% -0.0515 -0.1169)
OKLCH	oklch(70.94% 0.128 246.2)
XYZ	xyz(33.0678, 36.0844, 84.5629)
Luminance	0.3609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A8EC #EC9B57

analogous

#57ECE6 #57A8EC #575DEC

triadic

#57A8EC #EC57A8 #A8EC57

tetradic

#57A8EC #E657EC #EC9B57 #5DEC57

square

#57A8EC #E657EC #EC9B57 #5DEC57

split-complementary

#57A8EC #EC575D #ECE657

monochromatic

#146BB4 #208CE6 #57A8EC #8EC4F2 #C5E1F8

Accessibility & contrast

On white

2.56

#57A8EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.22

#57A8EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A8EC

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A8EC	#FFFFFF	#000000	##000000
##57A8EC	1.00	2.56	8.22	8.22
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.22	21.00	1.00	1.00
##000000	8.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AAAEF

Deuteranopia (green-blind)

#769BEB

Tritanopia (blue-blind)

#00B8C0

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #57a8ec;
/* rgb */ color: rgb(87, 168, 236);
/* oklch */ color: oklch(70.9% 0.128 246.2);

Tailwind

colors: {
  custom: {
    50: '#94c1f2',
    500: '#57a8ec',
    950: '#000000',
  },
}

SCSS

$custom: #57a8ec;
$custom-light: #94c1f2;
$custom-dark: #000000;

JSON

{
  "hex": "#57a8ec",
  "rgb": {
    "r": 87,
    "g": 168,
    "b": 236
  },
  "hsl": {
    "h": 207.383,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.7094,
    "c": 0.12773,
    "h": 246.2
  },
  "luminance": 0.36088
}

Semantic roles & 50–950 ramp

primary

#57A8EC

secondary

#EACDB5

accent

#6A0ADC

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A8EC

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

Preview Lab → · Contrast checker → · Palette generator →