#57ADE5#57ADE5

#57ADE5 is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.7% C 0.117 H 239.7°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#57ADE5
RGB	rgb(87, 173, 229)
HSL	hsl(204, 73%, 62%)
HSV	hsv(204, 62%, 90%)
CMYK	cmyk(62%, 24.5%, 0%, 10.2%)
CIE-LAB	lab(67.70, -9.32, -35.88)
CIE-LCH	lch(67.70, 37.07, 255.44°)
OKLab	oklab(71.72% -0.0588 -0.1007)
OKLCH	oklch(71.72% 0.117 239.7)
XYZ	xyz(33.0115, 37.5673, 79.6250)
Luminance	0.3757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ADE5 #E58F57

analogous

#57E5D6 #57ADE5 #5766E5

triadic

#57ADE5 #E557AD #ADE557

tetradic

#57ADE5 #D657E5 #E58F57 #66E557

square

#57ADE5 #D657E5 #E58F57 #66E557

split-complementary

#57ADE5 #E55766 #E5D657

monochromatic

#1A70A8 #2293DD #57ADE5 #8CC7ED #C1E1F5

Accessibility & contrast

On white

2.47

#57ADE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#57ADE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADE5

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ADE5	#FFFFFF	#000000	##000000
##57ADE5	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93ADE8

Deuteranopia (green-blind)

#809FE4

Tritanopia (blue-blind)

#00BBC0

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #57ade5;
/* rgb */ color: rgb(87, 173, 229);
/* oklch */ color: oklch(71.7% 0.117 239.7);

Tailwind

colors: {
  custom: {
    50: '#93c5ed',
    500: '#57ade5',
    950: '#000000',
  },
}

SCSS

$custom: #57ade5;
$custom-light: #93c5ed;
$custom-dark: #000000;

JSON

{
  "hex": "#57ade5",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 229
  },
  "hsl": {
    "h": 203.662,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.71723,
    "c": 0.11663,
    "h": 239.7
  },
  "luminance": 0.37571
}

Semantic roles & 50–950 ramp

primary

#57ADE5

secondary

#E6C6B2

accent

#5E10D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57ADE5

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

Preview Lab → · Contrast checker → · Palette generator →