#57BDE4#57BDE4

#57BDE4 is a light, moderate cyan. Relative luminance 0.440; OKLCH L 75.3% C 0.109 H 226.2°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#57BDE4
RGB	rgb(87, 189, 228)
HSL	hsl(197, 72%, 62%)
HSV	hsv(197, 62%, 89%)
CMYK	cmyk(61.8%, 17.1%, 0%, 10.6%)
CIE-LAB	lab(72.24, -18.17, -28.31)
CIE-LCH	lch(72.24, 33.64, 237.32°)
OKLab	oklab(75.32% -0.0757 -0.079)
OKLCH	oklch(75.32% 0.109 226.2)
XYZ	xyz(36.1261, 44.0192, 79.9764)
Luminance	0.4402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BDE4 #E47E57

analogous

#57E4C5 #57BDE4 #5777E4

triadic

#57BDE4 #E457BD #BDE457

tetradic

#57BDE4 #C557E4 #E47E57 #77E457

square

#57BDE4 #C557E4 #E47E57 #77E457

split-complementary

#57BDE4 #E45777 #E4C557

monochromatic

#1B7FA6 #23A8DB #57BDE4 #8CD2EC #C0E6F5

Accessibility & contrast

On white

2.14

#57BDE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#57BDE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDE4

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BDE4	#FFFFFF	#000000	##000000
##57BDE4	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)

#A8B9E6

Deuteranopia (green-blind)

#94ABE4

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #57bde4;
/* rgb */ color: rgb(87, 189, 228);
/* oklch */ color: oklch(75.3% 0.109 226.2);

Tailwind

colors: {
  custom: {
    50: '#93d1ec',
    500: '#57bde4',
    950: '#000000',
  },
}

SCSS

$custom: #57bde4;
$custom-light: #93d1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57bde4",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 228
  },
  "hsl": {
    "h": 196.596,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.75322,
    "c": 0.10943,
    "h": 226.2
  },
  "luminance": 0.44023
}

Semantic roles & 50–950 ramp

primary

#57BDE4

secondary

#E6C0B1

accent

#4711D4

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BDE4

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

Preview Lab → · Contrast checker → · Palette generator →