#57B9CD#57B9CD

#57B9CD is a light, moderate cyan. Relative luminance 0.411; OKLCH L 73.5% C 0.096 H 213.0°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#57B9CD
RGB	rgb(87, 185, 205)
HSL	hsl(190, 54%, 57%)
HSV	hsv(190, 58%, 80%)
CMYK	cmyk(57.6%, 9.8%, 0%, 19.6%)
CIE-LAB	lab(70.27, -22.94, -18.78)
CIE-LCH	lch(70.27, 29.65, 219.32°)
OKLab	oklab(73.47% -0.0803 -0.052)
OKLCH	oklch(73.47% 0.096 213)
XYZ	xyz(32.2944, 41.1288, 63.9825)
Luminance	0.4113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B9CD #CD6B57

analogous

#57CDA6 #57B9CD #577ECD

triadic

#57B9CD #CD57B9 #B9CD57

tetradic

#57B9CD #A657CD #CD6B57 #7ECD57

square

#57B9CD #A657CD #CD6B57 #7ECD57

split-complementary

#57B9CD #CD577E #CDA657

monochromatic

#277383 #359DB2 #57B9CD #86CDDB #B5E0E9

Accessibility & contrast

On white

2.28

#57B9CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#57B9CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B9CD

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B9CD	#FFFFFF	#000000	##000000
##57B9CD	1.00	2.28	9.23	9.23
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB3CE

Deuteranopia (green-blind)

#98A6CD

Tritanopia (blue-blind)

#00C1BF

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #57b9cd;
/* rgb */ color: rgb(87, 185, 205);
/* oklch */ color: oklch(73.5% 0.096 213.0);

Tailwind

colors: {
  custom: {
    50: '#91cedc',
    500: '#57b9cd',
    950: '#000000',
  },
}

SCSS

$custom: #57b9cd;
$custom-light: #91cedc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b9cd",
  "rgb": {
    "r": 87,
    "g": 185,
    "b": 205
  },
  "hsl": {
    "h": 190.169,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.73471,
    "c": 0.09566,
    "h": 213
  },
  "luminance": 0.41132
}

Semantic roles & 50–950 ramp

primary

#57B9CD

secondary

#D8B0A8

accent

#634ADD

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B9CD

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

Preview Lab → · Contrast checker → · Palette generator →