#57B1CC#57B1CC

#57B1CC is a light, moderate cyan. Relative luminance 0.378; OKLCH L 71.6% C 0.094 H 220.1°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#57B1CC
RGB	rgb(87, 177, 204)
HSL	hsl(194, 53%, 57%)
HSV	hsv(194, 57%, 80%)
CMYK	cmyk(57.4%, 13.2%, 0%, 20%)
CIE-LAB	lab(67.89, -19.12, -21.84)
CIE-LCH	lch(67.89, 29.03, 228.81°)
OKLab	oklab(71.56% -0.0719 -0.0606)
OKLCH	oklch(71.56% 0.094 220.1)
XYZ	xyz(30.5474, 37.8272, 62.8066)
Luminance	0.3783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B1CC #CC7257

analogous

#57CCAD #57B1CC #5777CC

triadic

#57B1CC #CC57B1 #B1CC57

tetradic

#57B1CC #AD57CC #CC7257 #77CC57

square

#57B1CC #AD57CC #CC7257 #77CC57

split-complementary

#57B1CC #CC5777 #CCAD57

monochromatic

#276D81 #3694B0 #57B1CC #86C7DA #B5DDE9

Accessibility & contrast

On white

2.45

#57B1CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#57B1CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B1CC

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B1CC	#FFFFFF	#000000	##000000
##57B1CC	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0ADCD

Deuteranopia (green-blind)

#8FA0CC

Tritanopia (blue-blind)

#00BAB9

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #57b1cc;
/* rgb */ color: rgb(87, 177, 204);
/* oklch */ color: oklch(71.6% 0.094 220.1);

Tailwind

colors: {
  custom: {
    50: '#90c8db',
    500: '#57b1cc',
    950: '#000000',
  },
}

SCSS

$custom: #57b1cc;
$custom-light: #90c8db;
$custom-dark: #000000;

JSON

{
  "hex": "#57b1cc",
  "rgb": {
    "r": 87,
    "g": 177,
    "b": 204
  },
  "hsl": {
    "h": 193.846,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.71558,
    "c": 0.09409,
    "h": 220.1
  },
  "luminance": 0.3783
}

Semantic roles & 50–950 ramp

primary

#57B1CC

secondary

#D7B3A8

accent

#6D4BDD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #57B1CC

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

Preview Lab → · Contrast checker → · Palette generator →