#57B7EA#57B7EA

#57B7EA is a light, moderate cyan. Relative luminance 0.418; OKLCH L 74.2% C 0.116 H 234.6°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#57B7EA
RGB	rgb(87, 183, 234)
HSL	hsl(201, 78%, 63%)
HSV	hsv(201, 63%, 92%)
CMYK	cmyk(62.8%, 21.8%, 0%, 8.2%)
CIE-LAB	lab(70.75, -13.15, -33.87)
CIE-LCH	lch(70.75, 36.33, 248.78°)
OKLab	oklab(74.21% -0.0674 -0.0949)
OKLCH	oklch(74.21% 0.116 234.6)
XYZ	xyz(35.7095, 41.8301, 84.0181)
Luminance	0.4183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7EA #EA8A57

analogous

#57EAD3 #57B7EA #576DEA

triadic

#57B7EA #EA57B7 #B7EA57

tetradic

#57B7EA #D357EA #EA8A57 #6DEA57

square

#57B7EA #D357EA #EA8A57 #6DEA57

split-complementary

#57B7EA #EA576D #EAD357

monochromatic

#167BB1 #21A0E3 #57B7EA #8DCEF1 #C4E6F8

Accessibility & contrast

On white

2.24

#57B7EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#57B7EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7EA

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7EA	#FFFFFF	#000000	##000000
##57B7EA	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB5EC

Deuteranopia (green-blind)

#8AA7E9

Tritanopia (blue-blind)

#00C4C8

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b7ea;
/* rgb */ color: rgb(87, 183, 234);
/* oklch */ color: oklch(74.2% 0.116 234.6);

Tailwind

colors: {
  custom: {
    50: '#94ccf1',
    500: '#57b7ea',
    950: '#000000',
  },
}

SCSS

$custom: #57b7ea;
$custom-light: #94ccf1;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7ea",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 234
  },
  "hsl": {
    "h": 200.816,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.74213,
    "c": 0.11642,
    "h": 234.6
  },
  "luminance": 0.41834
}

Semantic roles & 50–950 ramp

primary

#57B7EA

secondary

#E9C6B4

accent

#530BDA

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B7EA

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

Preview Lab → · Contrast checker → · Palette generator →