#57B8CC#57B8CC

#57B8CC is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.2% C 0.095 H 213.1°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#57B8CC
RGB	rgb(87, 184, 204)
HSL	hsl(190, 53%, 57%)
HSV	hsv(190, 57%, 80%)
CMYK	cmyk(57.4%, 9.8%, 0%, 20%)
CIE-LAB	lab(69.94, -22.72, -18.73)
CIE-LCH	lch(69.94, 29.44, 219.51°)
OKLab	oklab(73.2% -0.0796 -0.0519)
OKLCH	oklch(73.2% 0.095 213.1)
XYZ	xyz(31.9657, 40.6637, 63.2793)
Luminance	0.4067 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B8CC #CC6B57

analogous

#57CCA5 #57B8CC #577ECC

triadic

#57B8CC #CC57B8 #B8CC57

tetradic

#57B8CC #A557CC #CC6B57 #7ECC57

square

#57B8CC #A557CC #CC6B57 #7ECC57

split-complementary

#57B8CC #CC577E #CCA557

monochromatic

#277281 #369BB0 #57B8CC #86CCDA #B5E0E9

Accessibility & contrast

On white

2.30

#57B8CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#57B8CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B8CC

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B8CC	#FFFFFF	#000000	##000000
##57B8CC	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B2CD

Deuteranopia (green-blind)

#97A5CC

Tritanopia (blue-blind)

#00C0BE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #57b8cc;
/* rgb */ color: rgb(87, 184, 204);
/* oklch */ color: oklch(73.2% 0.095 213.1);

Tailwind

colors: {
  custom: {
    50: '#91cddb',
    500: '#57b8cc',
    950: '#000000',
  },
}

SCSS

$custom: #57b8cc;
$custom-light: #91cddb;
$custom-dark: #000000;

JSON

{
  "hex": "#57b8cc",
  "rgb": {
    "r": 87,
    "g": 184,
    "b": 204
  },
  "hsl": {
    "h": 190.256,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.73198,
    "c": 0.095,
    "h": 213.1
  },
  "luminance": 0.40667
}

Semantic roles & 50–950 ramp

primary

#57B8CC

secondary

#D7B0A8

accent

#644BDD

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B8CC

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

Preview Lab → · Contrast checker → · Palette generator →