#57B7CC#57B7CC

#57B7CC is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.0% C 0.095 H 214.1°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#57B7CC
RGB	rgb(87, 183, 204)
HSL	hsl(191, 53%, 57%)
HSV	hsv(191, 57%, 80%)
CMYK	cmyk(57.4%, 10.3%, 0%, 20%)
CIE-LAB	lab(69.65, -22.21, -19.17)
CIE-LCH	lch(69.65, 29.34, 220.81°)
OKLab	oklab(72.96% -0.0785 -0.0531)
OKLCH	oklch(72.96% 0.095 214.1)
XYZ	xyz(31.7587, 40.2498, 63.2103)
Luminance	0.4025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7CC #CC6C57

analogous

#57CCA7 #57B7CC #577DCC

triadic

#57B7CC #CC57B7 #B7CC57

tetradic

#57B7CC #A757CC #CC6C57 #7DCC57

square

#57B7CC #A757CC #CC6C57 #7DCC57

split-complementary

#57B7CC #CC577D #CCA757

monochromatic

#277181 #369AB0 #57B7CC #86CBDA #B5DFE9

Accessibility & contrast

On white

2.32

#57B7CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#57B7CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7CC

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7CC	#FFFFFF	#000000	##000000
##57B7CC	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B2CD

Deuteranopia (green-blind)

#96A5CC

Tritanopia (blue-blind)

#00BFBD

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b7cc;
/* rgb */ color: rgb(87, 183, 204);
/* oklch */ color: oklch(73.0% 0.095 214.1);

Tailwind

colors: {
  custom: {
    50: '#91ccdb',
    500: '#57b7cc',
    950: '#000000',
  },
}

SCSS

$custom: #57b7cc;
$custom-light: #91ccdb;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7cc",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 204
  },
  "hsl": {
    "h": 190.769,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.72963,
    "c": 0.09478,
    "h": 214.1
  },
  "luminance": 0.40253
}

Semantic roles & 50–950 ramp

primary

#57B7CC

secondary

#D7B0A8

accent

#654BDD

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B7CC

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

Preview Lab → · Contrast checker → · Palette generator →