#57A8BB#57A8BB

#57A8BB is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.8% C 0.084 H 215.0°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#57A8BB
RGB	rgb(87, 168, 187)
HSL	hsl(191, 42%, 54%)
HSV	hsv(191, 53%, 73%)
CMYK	cmyk(53.5%, 10.2%, 0%, 26.7%)
CIE-LAB	lab(64.66, -19.39, -17.34)
CIE-LCH	lch(64.66, 26.01, 221.81°)
OKLab	oklab(68.77% -0.0686 -0.048)
OKLCH	oklch(68.77% 0.084 215)
XYZ	xyz(26.8992, 33.6169, 52.0752)
Luminance	0.3362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A8BB #BB6A57

analogous

#57BB9C #57A8BB #5776BB

triadic

#57A8BB #BB57A8 #A8BB57

tetradic

#57A8BB #9C57BB #BB6A57 #76BB57

square

#57A8BB #9C57BB #BB6A57 #76BB57

split-complementary

#57A8BB #BB5776 #BB9C57

monochromatic

#2C606C #3D8697 #57A8BB #83BFCD #AED5DE

Accessibility & contrast

On white

2.72

#57A8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#57A8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A8BB

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A8BB	#FFFFFF	#000000	##000000
##57A8BB	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA3BC

Deuteranopia (green-blind)

#8B98BB

Tritanopia (blue-blind)

#03AFAE

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57a8bb;
/* rgb */ color: rgb(87, 168, 187);
/* oklch */ color: oklch(68.8% 0.084 215.0);

Tailwind

colors: {
  custom: {
    50: '#8ec2cf',
    500: '#57a8bb',
    950: '#000000',
  },
}

SCSS

$custom: #57a8bb;
$custom-light: #8ec2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#57a8bb",
  "rgb": {
    "r": 87,
    "g": 168,
    "b": 187
  },
  "hsl": {
    "h": 191.4,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.68772,
    "c": 0.0837,
    "h": 215
  },
  "luminance": 0.33619
}

Semantic roles & 50–950 ramp

primary

#57A8BB

secondary

#CCAAA2

accent

#6D56D2

background

#F9FBFC

surface

#F1F7F9

border

#CBD0D2

text

#0D1213

muted

#7E8182

Preview Lab

Preview with #57A8BB

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

Preview Lab → · Contrast checker → · Palette generator →