#57A5E7#57A5E7

#57A5E7 is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.0% C 0.124 H 246.3°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#57A5E7
RGB	rgb(87, 165, 231)
HSL	hsl(208, 75%, 62%)
HSV	hsv(208, 62%, 91%)
CMYK	cmyk(62.3%, 28.6%, 0%, 9.4%)
CIE-LAB	lab(65.52, -4.24, -40.38)
CIE-LCH	lch(65.52, 40.60, 264.00°)
OKLab	oklab(70.03% -0.0499 -0.1138)
OKLCH	oklch(70.03% 0.124 246.3)
XYZ	xyz(31.8041, 34.7029, 80.6081)
Luminance	0.3471 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A5E7 #E79957

analogous

#57E7E1 #57A5E7 #575DE7

triadic

#57A5E7 #E757A5 #A5E757

tetradic

#57A5E7 #E157E7 #E79957 #5DE757

square

#57A5E7 #E157E7 #E79957 #5DE757

split-complementary

#57A5E7 #E7575D #E7E157

monochromatic

#1868AB #2188DF #57A5E7 #8DC2EF #C2DEF6

Accessibility & contrast

On white

2.64

#57A5E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#57A5E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A5E7

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A5E7	#FFFFFF	#000000	##000000
##57A5E7	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A7EA

Deuteranopia (green-blind)

#7599E6

Tritanopia (blue-blind)

#00B5BC

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #57a5e7;
/* rgb */ color: rgb(87, 165, 231);
/* oklch */ color: oklch(70.0% 0.124 246.3);

Tailwind

colors: {
  custom: {
    50: '#93bfef',
    500: '#57a5e7',
    950: '#000000',
  },
}

SCSS

$custom: #57a5e7;
$custom-light: #93bfef;
$custom-dark: #000000;

JSON

{
  "hex": "#57a5e7",
  "rgb": {
    "r": 87,
    "g": 165,
    "b": 231
  },
  "hsl": {
    "h": 207.5,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.70025,
    "c": 0.12427,
    "h": 246.3
  },
  "luminance": 0.34706
}

Semantic roles & 50–950 ramp

primary

#57A5E7

secondary

#E7CBB3

accent

#6A0ED7

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A5E7

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

Preview Lab → · Contrast checker → · Palette generator →