#57A5E9#57A5E9

#57A5E9 is a light, vivid cyan. Relative luminance 0.348; OKLCH L 70.1% C 0.127 H 247.1°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#57A5E9
RGB	rgb(87, 165, 233)
HSL	hsl(208, 77%, 63%)
HSV	hsv(208, 63%, 91%)
CMYK	cmyk(62.7%, 29.2%, 0%, 8.6%)
CIE-LAB	lab(65.61, -3.59, -41.34)
CIE-LCH	lch(65.61, 41.50, 265.03°)
OKLab	oklab(70.12% -0.0493 -0.1166)
OKLCH	oklch(70.12% 0.127 247.1)
XYZ	xyz(32.0881, 34.8166, 82.1042)
Luminance	0.3482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A5E9 #E99B57

analogous

#57E9E4 #57A5E9 #575CE9

triadic

#57A5E9 #E957A5 #A5E957

tetradic

#57A5E9 #E457E9 #E99B57 #5CE957

square

#57A5E9 #E457E9 #E99B57 #5CE957

split-complementary

#57A5E9 #E9575C #E9E457

monochromatic

#1768AF #2188E2 #57A5E9 #8DC2F0 #C3DFF7

Accessibility & contrast

On white

2.64

#57A5E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#57A5E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A5E9

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A5E9	#FFFFFF	#000000	##000000
##57A5E9	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A7EC

Deuteranopia (green-blind)

#7499E8

Tritanopia (blue-blind)

#00B5BD

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #57a5e9;
/* rgb */ color: rgb(87, 165, 233);
/* oklch */ color: oklch(70.1% 0.127 247.1);

Tailwind

colors: {
  custom: {
    50: '#93bff0',
    500: '#57a5e9',
    950: '#000000',
  },
}

SCSS

$custom: #57a5e9;
$custom-light: #93bff0;
$custom-dark: #000000;

JSON

{
  "hex": "#57a5e9",
  "rgb": {
    "r": 87,
    "g": 165,
    "b": 233
  },
  "hsl": {
    "h": 207.945,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.70124,
    "c": 0.12659,
    "h": 247.1
  },
  "luminance": 0.3482
}

Semantic roles & 50–950 ramp

primary

#57A5E9

secondary

#E8CCB3

accent

#6C0CD9

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A5E9

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

Preview Lab → · Contrast checker → · Palette generator →