#57B4CE#57B4CE

#57B4CE is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.3% C 0.095 H 218.7°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#57B4CE
RGB	rgb(87, 180, 206)
HSL	hsl(193, 55%, 57%)
HSV	hsv(193, 58%, 81%)
CMYK	cmyk(57.8%, 12.6%, 0%, 19.2%)
CIE-LAB	lab(68.84, -20.08, -21.50)
CIE-LCH	lch(68.84, 29.42, 226.95°)
OKLab	oklab(72.34% -0.0744 -0.0597)
OKLCH	oklch(72.34% 0.095 218.7)
XYZ	xyz(31.3879, 39.1220, 64.2777)
Luminance	0.3912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4CE #CE7157

analogous

#57CEAC #57B4CE #5779CE

triadic

#57B4CE #CE57B4 #B4CE57

tetradic

#57B4CE #AC57CE #CE7157 #79CE57

square

#57B4CE #AC57CE #CE7157 #79CE57

split-complementary

#57B4CE #CE5779 #CEAC57

monochromatic

#277084 #3498B3 #57B4CE #86C9DC #B6DEEA

Accessibility & contrast

On white

2.38

#57B4CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#57B4CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4CE

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4CE	#FFFFFF	#000000	##000000
##57B4CE	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AFCF

Deuteranopia (green-blind)

#92A2CE

Tritanopia (blue-blind)

#00BDBC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #57b4ce;
/* rgb */ color: rgb(87, 180, 206);
/* oklch */ color: oklch(72.3% 0.095 218.7);

Tailwind

colors: {
  custom: {
    50: '#91cadd',
    500: '#57b4ce',
    950: '#000000',
  },
}

SCSS

$custom: #57b4ce;
$custom-light: #91cadd;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4ce",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 206
  },
  "hsl": {
    "h": 193.109,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.72339,
    "c": 0.09542,
    "h": 218.7
  },
  "luminance": 0.39125
}

Semantic roles & 50–950 ramp

primary

#57B4CE

secondary

#D8B3A8

accent

#6A4ADE

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B4CE

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

Preview Lab → · Contrast checker → · Palette generator →