#57B6EB#57B6EB

#57B6EB is a light, moderate cyan. Relative luminance 0.415; OKLCH L 74.0% C 0.118 H 235.9°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#57B6EB
RGB	rgb(87, 182, 235)
HSL	hsl(201, 79%, 63%)
HSV	hsv(201, 63%, 92%)
CMYK	cmyk(63%, 22.6%, 0%, 7.8%)
CIE-LAB	lab(70.51, -12.30, -34.79)
CIE-LCH	lch(70.51, 36.90, 250.53°)
OKLab	oklab(74.03% -0.0661 -0.0976)
OKLCH	oklch(74.03% 0.118 235.9)
XYZ	xyz(35.6481, 41.4767, 84.7083)
Luminance	0.4148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B6EB #EB8C57

analogous

#57EBD6 #57B6EB #576CEB

triadic

#57B6EB #EB57B6 #B6EB57

tetradic

#57B6EB #D657EB #EB8C57 #6CEB57

square

#57B6EB #D657EB #EB8C57 #6CEB57

split-complementary

#57B6EB #EB576C #EBD657

monochromatic

#157AB2 #209EE4 #57B6EB #8ECEF2 #C4E6F8

Accessibility & contrast

On white

2.26

#57B6EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#57B6EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B6EB

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B6EB	#FFFFFF	#000000	##000000
##57B6EB	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB5EE

Deuteranopia (green-blind)

#89A6EA

Tritanopia (blue-blind)

#00C4C8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #57b6eb;
/* rgb */ color: rgb(87, 182, 235);
/* oklch */ color: oklch(74.0% 0.118 235.9);

Tailwind

colors: {
  custom: {
    50: '#94cbf1',
    500: '#57b6eb',
    950: '#000000',
  },
}

SCSS

$custom: #57b6eb;
$custom-light: #94cbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#57b6eb",
  "rgb": {
    "r": 87,
    "g": 182,
    "b": 235
  },
  "hsl": {
    "h": 201.486,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.74031,
    "c": 0.11783,
    "h": 235.9
  },
  "luminance": 0.4148
}

Semantic roles & 50–950 ramp

primary

#57B6EB

secondary

#E9C7B4

accent

#550ADB

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B6EB

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

Preview Lab → · Contrast checker → · Palette generator →