#57BCEB#57BCEB

#57BCEB is a light, moderate cyan. Relative luminance 0.440; OKLCH L 75.4% C 0.115 H 231.2°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#57BCEB
RGB	rgb(87, 188, 235)
HSL	hsl(199, 79%, 63%)
HSV	hsv(199, 63%, 92%)
CMYK	cmyk(63%, 20%, 0%, 7.8%)
CIE-LAB	lab(72.22, -15.49, -32.14)
CIE-LCH	lch(72.22, 35.68, 244.26°)
OKLab	oklab(75.39% -0.0722 -0.0899)
OKLCH	oklch(75.39% 0.115 231.2)
XYZ	xyz(36.9032, 43.9870, 85.1267)
Luminance	0.4399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BCEB #EB8657

analogous

#57EBD0 #57BCEB #5772EB

triadic

#57BCEB #EB57BC #BCEB57

tetradic

#57BCEB #D057EB #EB8657 #72EB57

square

#57BCEB #D057EB #EB8657 #72EB57

split-complementary

#57BCEB #EB5772 #EBD057

monochromatic

#1580B2 #20A6E4 #57BCEB #8ED2F2 #C4E8F8

Accessibility & contrast

On white

2.14

#57BCEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#57BCEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BCEB

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BCEB	#FFFFFF	#000000	##000000
##57BCEB	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BAED

Deuteranopia (green-blind)

#90AAEA

Tritanopia (blue-blind)

#00C9CC

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #57bceb;
/* rgb */ color: rgb(87, 188, 235);
/* oklch */ color: oklch(75.4% 0.115 231.2);

Tailwind

colors: {
  custom: {
    50: '#94d0f1',
    500: '#57bceb',
    950: '#000000',
  },
}

SCSS

$custom: #57bceb;
$custom-light: #94d0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57bceb",
  "rgb": {
    "r": 87,
    "g": 188,
    "b": 235
  },
  "hsl": {
    "h": 199.054,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.75393,
    "c": 0.11533,
    "h": 231.2
  },
  "luminance": 0.43991
}

Semantic roles & 50–950 ramp

primary

#57BCEB

secondary

#E9C5B4

accent

#4D0ADB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BCEB

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

Preview Lab → · Contrast checker → · Palette generator →