#57B8CD#57B8CD

#57B8CD is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.2% C 0.095 H 213.9°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#57B8CD
RGB	rgb(87, 184, 205)
HSL	hsl(191, 54%, 57%)
HSV	hsv(191, 58%, 80%)
CMYK	cmyk(57.6%, 10.2%, 0%, 19.6%)
CIE-LAB	lab(69.97, -22.43, -19.23)
CIE-LCH	lch(69.97, 29.54, 220.61°)
OKLab	oklab(73.24% -0.0792 -0.0533)
OKLCH	oklch(73.24% 0.095 213.9)
XYZ	xyz(32.0860, 40.7119, 63.9130)
Luminance	0.4072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B8CD #CD6C57

analogous

#57CDA7 #57B8CD #577DCD

triadic

#57B8CD #CD57B8 #B8CD57

tetradic

#57B8CD #A757CD #CD6C57 #7DCD57

square

#57B8CD #A757CD #CD6C57 #7DCD57

split-complementary

#57B8CD #CD577D #CDA757

monochromatic

#277283 #359CB2 #57B8CD #86CCDB #B5E0E9

Accessibility & contrast

On white

2.30

#57B8CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#57B8CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B8CD

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B8CD	#FFFFFF	#000000	##000000
##57B8CD	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3CE

Deuteranopia (green-blind)

#97A5CD

Tritanopia (blue-blind)

#00C0BE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #57b8cd;
/* rgb */ color: rgb(87, 184, 205);
/* oklch */ color: oklch(73.2% 0.095 213.9);

Tailwind

colors: {
  custom: {
    50: '#91cddc',
    500: '#57b8cd',
    950: '#000000',
  },
}

SCSS

$custom: #57b8cd;
$custom-light: #91cddc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b8cd",
  "rgb": {
    "r": 87,
    "g": 184,
    "b": 205
  },
  "hsl": {
    "h": 190.678,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.73236,
    "c": 0.09543,
    "h": 213.9
  },
  "luminance": 0.40715
}

Semantic roles & 50–950 ramp

primary

#57B8CD

secondary

#D8B1A8

accent

#654ADD

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B8CD

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

Preview Lab → · Contrast checker → · Palette generator →