#57ADEB#57ADEB

#57ADEB is a light, vivid cyan. Relative luminance 0.379; OKLCH L 72.0% C 0.123 H 242.5°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#57ADEB
RGB	rgb(87, 173, 235)
HSL	hsl(205, 79%, 63%)
HSV	hsv(205, 63%, 92%)
CMYK	cmyk(63%, 26.4%, 0%, 7.8%)
CIE-LAB	lab(67.95, -7.40, -38.77)
CIE-LCH	lch(67.95, 39.47, 259.19°)
OKLab	oklab(72.01% -0.0569 -0.1091)
OKLCH	oklch(72.01% 0.123 242.5)
XYZ	xyz(33.8638, 37.9082, 84.1135)
Luminance	0.3791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ADEB #EB9557

analogous

#57EBDF #57ADEB #5763EB

triadic

#57ADEB #EB57AD #ADEB57

tetradic

#57ADEB #DF57EB #EB9557 #63EB57

square

#57ADEB #DF57EB #EB9557 #63EB57

split-complementary

#57ADEB #EB5763 #EBDF57

monochromatic

#1571B2 #2092E4 #57ADEB #8EC8F2 #C4E2F8

Accessibility & contrast

On white

2.45

#57ADEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#57ADEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADEB

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ADEB	#FFFFFF	#000000	##000000
##57ADEB	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91AEEE

Deuteranopia (green-blind)

#7D9FEA

Tritanopia (blue-blind)

#00BCC2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #57adeb;
/* rgb */ color: rgb(87, 173, 235);
/* oklch */ color: oklch(72.0% 0.123 242.5);

Tailwind

colors: {
  custom: {
    50: '#94c5f1',
    500: '#57adeb',
    950: '#000000',
  },
}

SCSS

$custom: #57adeb;
$custom-light: #94c5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57adeb",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 235
  },
  "hsl": {
    "h": 205.135,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.72006,
    "c": 0.12301,
    "h": 242.5
  },
  "luminance": 0.37912
}

Semantic roles & 50–950 ramp

primary

#57ADEB

secondary

#E9CBB4

accent

#620ADB

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57ADEB

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

Preview Lab → · Contrast checker → · Palette generator →