#57B6DD#57B6DD

#57B6DD is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.4% C 0.106 H 227.7°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#57B6DD
RGB	rgb(87, 182, 221)
HSL	hsl(197, 66%, 60%)
HSV	hsv(197, 61%, 87%)
CMYK	cmyk(60.6%, 17.6%, 0%, 13.3%)
CIE-LAB	lab(69.96, -16.63, -28.00)
CIE-LCH	lch(69.96, 32.57, 239.29°)
OKLab	oklab(73.42% -0.071 -0.0781)
OKLCH	oklch(73.42% 0.106 227.7)
XYZ	xyz(33.7045, 40.6992, 74.4721)
Luminance	0.4070 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B6DD #DD7E57

analogous

#57DDC1 #57B6DD #5773DD

triadic

#57B6DD #DD57B6 #B6DD57

tetradic

#57B6DD #C157DD #DD7E57 #73DD57

square

#57B6DD #C157DD #DD7E57 #73DD57

split-complementary

#57B6DD #DD5773 #DDC157

monochromatic

#1F779A #2A9ECD #57B6DD #8ACCE7 #BDE2F2

Accessibility & contrast

On white

2.30

#57B6DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#57B6DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B6DD

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B6DD	#FFFFFF	#000000	##000000
##57B6DD	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B3DF

Deuteranopia (green-blind)

#8FA5DD

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #57b6dd;
/* rgb */ color: rgb(87, 182, 221);
/* oklch */ color: oklch(73.4% 0.106 227.7);

Tailwind

colors: {
  custom: {
    50: '#92cce7',
    500: '#57b6dd',
    950: '#000000',
  },
}

SCSS

$custom: #57b6dd;
$custom-light: #92cce7;
$custom-dark: #000000;

JSON

{
  "hex": "#57b6dd",
  "rgb": {
    "r": 87,
    "g": 182,
    "b": 221
  },
  "hsl": {
    "h": 197.463,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.73419,
    "c": 0.10553,
    "h": 227.7
  },
  "luminance": 0.40703
}

Semantic roles & 50–950 ramp

primary

#57B6DD

secondary

#E1BDAE

accent

#4D17CE

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B6DD

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

Preview Lab → · Contrast checker → · Palette generator →