#57BBF1#57BBF1

#57BBF1 is a light, vivid cyan. Relative luminance 0.439; OKLCH L 75.4% C 0.121 H 235.2°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#57BBF1
RGB	rgb(87, 187, 241)
HSL	hsl(201, 85%, 64%)
HSV	hsv(201, 64%, 95%)
CMYK	cmyk(63.9%, 22.4%, 0%, 5.5%)
CIE-LAB	lab(72.17, -13.09, -35.47)
CIE-LCH	lch(72.17, 37.81, 249.74°)
OKLab	oklab(75.43% -0.0691 -0.0995)
OKLCH	oklch(75.43% 0.121 235.2)
XYZ	xyz(37.5718, 43.9139, 89.6982)
Luminance	0.4392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBF1 #F18D57

analogous

#57F1DA #57BBF1 #576EF1

triadic

#57BBF1 #F157BB #BBF157

tetradic

#57BBF1 #DA57F1 #F18D57 #6EF157

square

#57BBF1 #DA57F1 #F18D57 #6EF157

split-complementary

#57BBF1 #F1576E #F1DA57

monochromatic

#1081BE #1FA4EC #57BBF1 #8FD2F6 #C8E9FA

Accessibility & contrast

On white

2.15

#57BBF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#57BBF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBF1

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBF1	#FFFFFF	#000000	##000000
##57BBF1	1.00	2.15	9.78	9.78
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.78	21.00	1.00	1.00
##000000	9.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1BAF4

Deuteranopia (green-blind)

#8CAAF0

Tritanopia (blue-blind)

#00C9CD

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #57bbf1;
/* rgb */ color: rgb(87, 187, 241);
/* oklch */ color: oklch(75.4% 0.121 235.2);

Tailwind

colors: {
  custom: {
    50: '#95cff6',
    500: '#57bbf1',
    950: '#000000',
  },
}

SCSS

$custom: #57bbf1;
$custom-light: #95cff6;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbf1",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 241
  },
  "hsl": {
    "h": 201.039,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.75432,
    "c": 0.12115,
    "h": 235.2
  },
  "luminance": 0.43918
}

Semantic roles & 50–950 ramp

primary

#57BBF1

secondary

#EDCAB7

accent

#5204E1

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #57BBF1

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

Preview Lab → · Contrast checker → · Palette generator →