#57BDDD#57BDDD

#57BDDD is a light, moderate cyan. Relative luminance 0.436; OKLCH L 75.0% C 0.105 H 221.5°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#57BDDD
RGB	rgb(87, 189, 221)
HSL	hsl(194, 66%, 60%)
HSV	hsv(194, 61%, 87%)
CMYK	cmyk(60.6%, 14.5%, 0%, 13.3%)
CIE-LAB	lab(71.99, -20.28, -24.90)
CIE-LCH	lch(71.99, 32.11, 230.85°)
OKLab	oklab(75.03% -0.0783 -0.0693)
OKLCH	oklch(75.03% 0.105 221.5)
XYZ	xyz(35.1740, 43.6383, 74.9620)
Luminance	0.4364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BDDD #DD7757

analogous

#57DDBA #57BDDD #577ADD

triadic

#57BDDD #DD57BD #BDDD57

tetradic

#57BDDD #BA57DD #DD7757 #7ADD57

square

#57BDDD #BA57DD #DD7757 #7ADD57

split-complementary

#57BDDD #DD577A #DDBA57

monochromatic

#1F7D9A #2AA6CD #57BDDD #8AD1E7 #BDE5F2

Accessibility & contrast

On white

2.16

#57BDDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#57BDDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDDD

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BDDD	#FFFFFF	#000000	##000000
##57BDDD	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB9DF

Deuteranopia (green-blind)

#97AADD

Tritanopia (blue-blind)

#00C7C7

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #57bddd;
/* rgb */ color: rgb(87, 189, 221);
/* oklch */ color: oklch(75.0% 0.105 221.5);

Tailwind

colors: {
  custom: {
    50: '#93d1e7',
    500: '#57bddd',
    950: '#000000',
  },
}

SCSS

$custom: #57bddd;
$custom-light: #93d1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#57bddd",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 221
  },
  "hsl": {
    "h": 194.328,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.75034,
    "c": 0.10458,
    "h": 221.5
  },
  "luminance": 0.43642
}

Semantic roles & 50–950 ramp

primary

#57BDDD

secondary

#E1BBAE

accent

#4317CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BDDD

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

Preview Lab → · Contrast checker → · Palette generator →