#57B7DD#57B7DD

#57B7DD is a light, moderate cyan. Relative luminance 0.411; OKLCH L 73.6% C 0.105 H 226.9°. Best body text is #000000 at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#57B7DD
RGB	rgb(87, 183, 221)
HSL	hsl(197, 66%, 60%)
HSV	hsv(197, 61%, 87%)
CMYK	cmyk(60.6%, 17.2%, 0%, 13.3%)
CIE-LAB	lab(70.25, -17.16, -27.56)
CIE-LCH	lch(70.25, 32.46, 238.09°)
OKLab	oklab(73.65% -0.072 -0.0768)
OKLCH	oklch(73.65% 0.105 226.9)
XYZ	xyz(33.9100, 41.1103, 74.5406)
Luminance	0.4111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7DD #DD7D57

analogous

#57DDC0 #57B7DD #5774DD

triadic

#57B7DD #DD57B7 #B7DD57

tetradic

#57B7DD #C057DD #DD7D57 #74DD57

square

#57B7DD #C057DD #DD7D57 #74DD57

split-complementary

#57B7DD #DD5774 #DDC057

monochromatic

#1F779A #2A9FCD #57B7DD #8ACDE7 #BDE3F2

Accessibility & contrast

On white

2.28

#57B7DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.22

#57B7DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7DD

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7DD	#FFFFFF	#000000	##000000
##57B7DD	1.00	2.28	9.22	9.22
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.22	21.00	1.00	1.00
##000000	9.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B4DF

Deuteranopia (green-blind)

#90A6DD

Tritanopia (blue-blind)

#00C2C3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #57b7dd;
/* rgb */ color: rgb(87, 183, 221);
/* oklch */ color: oklch(73.6% 0.105 226.9);

Tailwind

colors: {
  custom: {
    50: '#92cce7',
    500: '#57b7dd',
    950: '#000000',
  },
}

SCSS

$custom: #57b7dd;
$custom-light: #92cce7;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7dd",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 221
  },
  "hsl": {
    "h": 197.015,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.73649,
    "c": 0.10532,
    "h": 226.9
  },
  "luminance": 0.41114
}

Semantic roles & 50–950 ramp

primary

#57B7DD

secondary

#E1BDAE

accent

#4B17CE

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B7DD

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

Preview Lab → · Contrast checker → · Palette generator →