#57BBDD#57BBDD

#57BBDD is a light, moderate cyan. Relative luminance 0.428; OKLCH L 74.6% C 0.105 H 223.3°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#57BBDD
RGB	rgb(87, 187, 221)
HSL	hsl(195, 66%, 60%)
HSV	hsv(195, 61%, 87%)
CMYK	cmyk(60.6%, 15.4%, 0%, 13.3%)
CIE-LAB	lab(71.41, -19.24, -25.78)
CIE-LCH	lch(71.41, 32.17, 233.27°)
OKLab	oklab(74.57% -0.0762 -0.0718)
OKLCH	oklch(74.57% 0.105 223.3)
XYZ	xyz(34.7468, 42.7839, 74.8195)
Luminance	0.4279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBDD #DD7957

analogous

#57DDBC #57BBDD #5778DD

triadic

#57BBDD #DD57BB #BBDD57

tetradic

#57BBDD #BC57DD #DD7957 #78DD57

square

#57BBDD #BC57DD #DD7957 #78DD57

split-complementary

#57BBDD #DD5778 #DDBC57

monochromatic

#1F7B9A #2AA4CD #57BBDD #8AD0E7 #BDE4F2

Accessibility & contrast

On white

2.20

#57BBDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#57BBDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBDD

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBDD	#FFFFFF	#000000	##000000
##57BBDD	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7DF

Deuteranopia (green-blind)

#94A9DD

Tritanopia (blue-blind)

#00C6C6

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #57bbdd;
/* rgb */ color: rgb(87, 187, 221);
/* oklch */ color: oklch(74.6% 0.105 223.3);

Tailwind

colors: {
  custom: {
    50: '#93cfe7',
    500: '#57bbdd',
    950: '#000000',
  },
}

SCSS

$custom: #57bbdd;
$custom-light: #93cfe7;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbdd",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 221
  },
  "hsl": {
    "h": 195.224,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.74571,
    "c": 0.10472,
    "h": 223.3
  },
  "luminance": 0.42787
}

Semantic roles & 50–950 ramp

primary

#57BBDD

secondary

#E1BBAE

accent

#4617CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57BBDD

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

Preview Lab → · Contrast checker → · Palette generator →