#57BBE5#57BBE5

#57BBE5 is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.9% C 0.111 H 228.5°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#57BBE5
RGB	rgb(87, 187, 229)
HSL	hsl(198, 73%, 62%)
HSV	hsv(198, 62%, 90%)
CMYK	cmyk(62%, 18.3%, 0%, 10.2%)
CIE-LAB	lab(71.70, -16.82, -29.68)
CIE-LCH	lch(71.70, 34.11, 240.47°)
OKLab	oklab(74.91% -0.0733 -0.0829)
OKLCH	oklch(74.91% 0.111 228.5)
XYZ	xyz(35.8381, 43.2204, 80.5672)
Luminance	0.4322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBE5 #E58157

analogous

#57E5C8 #57BBE5 #5774E5

triadic

#57BBE5 #E557BB #BBE557

tetradic

#57BBE5 #C857E5 #E58157 #74E557

square

#57BBE5 #C857E5 #E58157 #74E557

split-complementary

#57BBE5 #E55774 #E5C857

monochromatic

#1A7EA8 #22A5DD #57BBE5 #8CD0ED #C1E6F5

Accessibility & contrast

On white

2.18

#57BBE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#57BBE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBE5

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBE5	#FFFFFF	#000000	##000000
##57BBE5	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B8E7

Deuteranopia (green-blind)

#91A9E4

Tritanopia (blue-blind)

#00C7C9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #57bbe5;
/* rgb */ color: rgb(87, 187, 229);
/* oklch */ color: oklch(74.9% 0.111 228.5);

Tailwind

colors: {
  custom: {
    50: '#93cfed',
    500: '#57bbe5',
    950: '#000000',
  },
}

SCSS

$custom: #57bbe5;
$custom-light: #93cfed;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbe5",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 229
  },
  "hsl": {
    "h": 197.746,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.74906,
    "c": 0.11066,
    "h": 228.5
  },
  "luminance": 0.43224
}

Semantic roles & 50–950 ramp

primary

#57BBE5

secondary

#E6C1B2

accent

#4A10D5

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57BBE5

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

Preview Lab → · Contrast checker → · Palette generator →