#57BBE8#57BBE8

#57BBE8 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 75.0% C 0.113 H 230.3°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#57BBE8
RGB	rgb(87, 187, 232)
HSL	hsl(199, 76%, 63%)
HSV	hsv(199, 63%, 91%)
CMYK	cmyk(62.5%, 19.4%, 0%, 9%)
CIE-LAB	lab(71.82, -15.89, -31.14)
CIE-LCH	lch(71.82, 34.96, 242.96°)
OKLab	oklab(75.04% -0.0722 -0.087)
OKLCH	oklch(75.04% 0.113 230.3)
XYZ	xyz(36.2606, 43.3894, 82.7923)
Luminance	0.4339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBE8 #E88457

analogous

#57E8CD #57BBE8 #5772E8

triadic

#57BBE8 #E857BB #BBE857

tetradic

#57BBE8 #CD57E8 #E88457 #72E857

square

#57BBE8 #CD57E8 #E88457 #72E857

split-complementary

#57BBE8 #E85772 #E8CD57

monochromatic

#187FAD #21A5E1 #57BBE8 #8DD1EF #C3E7F7

Accessibility & contrast

On white

2.17

#57BBE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#57BBE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBE8

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBE8	#FFFFFF	#000000	##000000
##57BBE8	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B8EA

Deuteranopia (green-blind)

#90A9E7

Tritanopia (blue-blind)

#00C7CA

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #57bbe8;
/* rgb */ color: rgb(87, 187, 232);
/* oklch */ color: oklch(75.0% 0.113 230.3);

Tailwind

colors: {
  custom: {
    50: '#94cfef',
    500: '#57bbe8',
    950: '#000000',
  },
}

SCSS

$custom: #57bbe8;
$custom-light: #94cfef;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbe8",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 232
  },
  "hsl": {
    "h": 198.621,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.75035,
    "c": 0.11312,
    "h": 230.3
  },
  "luminance": 0.43393
}

Semantic roles & 50–950 ramp

primary

#57BBE8

secondary

#E8C3B3

accent

#4C0DD8

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57BBE8

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

Preview Lab → · Contrast checker → · Palette generator →