#57A5E4#57A5E4

#57A5E4 is a light, vivid cyan. Relative luminance 0.345; OKLCH L 69.9% C 0.121 H 245.1°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#57A5E4
RGB	rgb(87, 165, 228)
HSL	hsl(207, 72%, 62%)
HSV	hsv(207, 62%, 89%)
CMYK	cmyk(61.8%, 27.6%, 0%, 10.6%)
CIE-LAB	lab(65.38, -5.21, -38.94)
CIE-LCH	lch(65.38, 39.28, 262.38°)
OKLab	oklab(69.88% -0.0508 -0.1096)
OKLCH	oklch(69.88% 0.121 245.1)
XYZ	xyz(31.3840, 34.5349, 78.3957)
Luminance	0.3454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A5E4 #E49657

analogous

#57E4DD #57A5E4 #575EE4

triadic

#57A5E4 #E457A5 #A5E457

tetradic

#57A5E4 #DD57E4 #E49657 #5EE457

square

#57A5E4 #DD57E4 #E49657 #5EE457

split-complementary

#57A5E4 #E4575E #E4DD57

monochromatic

#1B68A6 #2389DB #57A5E4 #8CC1EC #C0DDF5

Accessibility & contrast

On white

2.66

#57A5E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#57A5E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A5E4

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A5E4	#FFFFFF	#000000	##000000
##57A5E4	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A6E7

Deuteranopia (green-blind)

#7699E3

Tritanopia (blue-blind)

#00B4BB

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #57a5e4;
/* rgb */ color: rgb(87, 165, 228);
/* oklch */ color: oklch(69.9% 0.121 245.1);

Tailwind

colors: {
  custom: {
    50: '#92bfec',
    500: '#57a5e4',
    950: '#000000',
  },
}

SCSS

$custom: #57a5e4;
$custom-light: #92bfec;
$custom-dark: #000000;

JSON

{
  "hex": "#57a5e4",
  "rgb": {
    "r": 87,
    "g": 165,
    "b": 228
  },
  "hsl": {
    "h": 206.809,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.69878,
    "c": 0.12082,
    "h": 245.1
  },
  "luminance": 0.34538
}

Semantic roles & 50–950 ramp

primary

#57A5E4

secondary

#E6C9B1

accent

#6811D4

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A5E4

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

Preview Lab → · Contrast checker → · Palette generator →