#57A7EE#57A7EE

#57A7EE is a light, vivid cyan. Relative luminance 0.358; OKLCH L 70.8% C 0.131 H 247.6°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#57A7EE
RGB	rgb(87, 167, 238)
HSL	hsl(208, 82%, 64%)
HSV	hsv(208, 63%, 93%)
CMYK	cmyk(63.4%, 29.8%, 0%, 6.7%)
CIE-LAB	lab(66.39, -3.09, -42.85)
CIE-LCH	lch(66.39, 42.96, 265.87°)
OKLab	oklab(70.82% -0.0499 -0.121)
OKLCH	oklch(70.82% 0.131 247.6)
XYZ	xyz(33.1761, 35.8334, 86.0405)
Luminance	0.3584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A7EE #EE9E57

analogous

#57EEEA #57A7EE #575BEE

triadic

#57A7EE #EE57A7 #A7EE57

tetradic

#57A7EE #EA57EE #EE9E57 #5BEE57

square

#57A7EE #EA57EE #EE9E57 #5BEE57

split-complementary

#57A7EE #EE575B #EEEA57

monochromatic

#136AB8 #1F8AE8 #57A7EE #8FC4F4 #C6E1F9

Accessibility & contrast

On white

2.57

#57A7EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#57A7EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A7EE

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A7EE	#FFFFFF	#000000	##000000
##57A7EE	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88AAF1

Deuteranopia (green-blind)

#739BED

Tritanopia (blue-blind)

#00B8C0

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #57a7ee;
/* rgb */ color: rgb(87, 167, 238);
/* oklch */ color: oklch(70.8% 0.131 247.6);

Tailwind

colors: {
  custom: {
    50: '#94c0f4',
    500: '#57a7ee',
    950: '#000000',
  },
}

SCSS

$custom: #57a7ee;
$custom-light: #94c0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#57a7ee",
  "rgb": {
    "r": 87,
    "g": 167,
    "b": 238
  },
  "hsl": {
    "h": 208.212,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.70818,
    "c": 0.13083,
    "h": 247.6
  },
  "luminance": 0.35837
}

Semantic roles & 50–950 ramp

primary

#57A7EE

secondary

#EBCFB6

accent

#6C08DE

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A7EE

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

Preview Lab → · Contrast checker → · Palette generator →