#57B5CC#57B5CC

#57B5CC is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.5% C 0.094 H 216.1°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#57B5CC
RGB	rgb(87, 181, 204)
HSL	hsl(192, 53%, 57%)
HSV	hsv(192, 57%, 80%)
CMYK	cmyk(57.4%, 11.3%, 0%, 20%)
CIE-LAB	lab(69.06, -21.19, -20.06)
CIE-LCH	lch(69.06, 29.18, 223.44°)
OKLab	oklab(72.49% -0.0763 -0.0556)
OKLCH	oklch(72.49% 0.094 216.1)
XYZ	xyz(31.3491, 39.4306, 63.0738)
Luminance	0.3943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B5CC #CC6E57

analogous

#57CCA9 #57B5CC #577BCC

triadic

#57B5CC #CC57B5 #B5CC57

tetradic

#57B5CC #A957CC #CC6E57 #7BCC57

square

#57B5CC #A957CC #CC6E57 #7BCC57

split-complementary

#57B5CC #CC577B #CCA957

monochromatic

#277081 #3698B0 #57B5CC #86CADA #B5DEE9

Accessibility & contrast

On white

2.36

#57B5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#57B5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B5CC

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B5CC	#FFFFFF	#000000	##000000
##57B5CC	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B0CD

Deuteranopia (green-blind)

#94A3CC

Tritanopia (blue-blind)

#00BDBC

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b5cc;
/* rgb */ color: rgb(87, 181, 204);
/* oklch */ color: oklch(72.5% 0.094 216.1);

Tailwind

colors: {
  custom: {
    50: '#90cbdb',
    500: '#57b5cc',
    950: '#000000',
  },
}

SCSS

$custom: #57b5cc;
$custom-light: #90cbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#57b5cc",
  "rgb": {
    "r": 87,
    "g": 181,
    "b": 204
  },
  "hsl": {
    "h": 191.795,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.72494,
    "c": 0.09444,
    "h": 216.1
  },
  "luminance": 0.39434
}

Semantic roles & 50–950 ramp

primary

#57B5CC

secondary

#D7B1A8

accent

#684BDD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B5CC

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

Preview Lab → · Contrast checker → · Palette generator →