#57BEE9#57BEE9

#57BEE9 is a light, moderate cyan. Relative luminance 0.447; OKLCH L 75.8% C 0.113 H 228.5°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#57BEE9
RGB	rgb(87, 190, 233)
HSL	hsl(198, 77%, 63%)
HSV	hsv(198, 63%, 91%)
CMYK	cmyk(62.7%, 18.5%, 0%, 8.6%)
CIE-LAB	lab(72.72, -17.16, -30.30)
CIE-LCH	lch(72.72, 34.82, 240.47°)
OKLab	oklab(75.76% -0.075 -0.0846)
OKLCH	oklch(75.76% 0.113 228.5)
XYZ	xyz(37.0461, 44.7325, 83.7569)
Luminance	0.4474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BEE9 #E98257

analogous

#57E9CB #57BEE9 #5775E9

triadic

#57BEE9 #E957BE #BEE957

tetradic

#57BEE9 #CB57E9 #E98257 #75E957

square

#57BEE9 #CB57E9 #E98257 #75E957

split-complementary

#57BEE9 #E95775 #E9CB57

monochromatic

#1782AF #21A9E2 #57BEE9 #8DD3F0 #C3E8F7

Accessibility & contrast

On white

2.11

#57BEE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#57BEE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BEE9

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BEE9	#FFFFFF	#000000	##000000
##57BEE9	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BBEB

Deuteranopia (green-blind)

#93ACE8

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #57bee9;
/* rgb */ color: rgb(87, 190, 233);
/* oklch */ color: oklch(75.8% 0.113 228.5);

Tailwind

colors: {
  custom: {
    50: '#94d1f0',
    500: '#57bee9',
    950: '#000000',
  },
}

SCSS

$custom: #57bee9;
$custom-light: #94d1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57bee9",
  "rgb": {
    "r": 87,
    "g": 190,
    "b": 233
  },
  "hsl": {
    "h": 197.671,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.75762,
    "c": 0.11307,
    "h": 228.5
  },
  "luminance": 0.44736
}

Semantic roles & 50–950 ramp

primary

#57BEE9

secondary

#E8C3B3

accent

#490CD9

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BEE9

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

Preview Lab → · Contrast checker → · Palette generator →