#57B9BC#57B9BC

#57B9BC is a light, moderate teal. Relative luminance 0.404; OKLCH L 72.9% C 0.092 H 198.0°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#57B9BC
RGB	rgb(87, 185, 188)
HSL	hsl(182, 43%, 54%)
HSV	hsv(182, 54%, 74%)
CMYK	cmyk(53.7%, 1.6%, 0%, 26.3%)
CIE-LAB	lab(69.72, -27.72, -10.28)
CIE-LCH	lch(69.72, 29.56, 200.35°)
OKLab	oklab(72.85% -0.0872 -0.0284)
OKLCH	oklch(72.85% 0.092 198)
XYZ	xyz(30.3528, 40.3521, 53.7564)
Luminance	0.4036 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B9BC #BC5A57

analogous

#57BC8D #57B9BC #5787BC

triadic

#57B9BC #BC57B9 #B9BC57

tetradic

#57B9BC #8D57BC #BC5A57 #87BC57

square

#57B9BC #8D57BC #BC5A57 #87BC57

split-complementary

#57B9BC #BC5787 #BC8D57

monochromatic

#2C6B6D #3D9699 #57B9BC #83CBCD #AFDDDF

Accessibility & contrast

On white

2.32

#57B9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#57B9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B9BC

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B9BC	#FFFFFF	#000000	##000000
##57B9BC	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB1BC

Deuteranopia (green-blind)

#9DA5BD

Tritanopia (blue-blind)

#00BFBA

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b9bc;
/* rgb */ color: rgb(87, 185, 188);
/* oklch */ color: oklch(72.9% 0.092 198.0);

Tailwind

colors: {
  custom: {
    50: '#8fced0',
    500: '#57b9bc',
    950: '#000000',
  },
}

SCSS

$custom: #57b9bc;
$custom-light: #8fced0;
$custom-dark: #000000;

JSON

{
  "hex": "#57b9bc",
  "rgb": {
    "r": 87,
    "g": 185,
    "b": 188
  },
  "hsl": {
    "h": 181.782,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.7285,
    "c": 0.09176,
    "h": 198
  },
  "luminance": 0.40355
}

Semantic roles & 50–950 ramp

primary

#57B9BC

secondary

#CDA3A2

accent

#5955D3

background

#F9FCFC

surface

#F2F9F9

border

#CCD2D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #57B9BC

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

Preview Lab → · Contrast checker → · Palette generator →