#57B1DE#57B1DE

#57B1DE is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.3% C 0.108 H 232.7°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#57B1DE
RGB	rgb(87, 177, 222)
HSL	hsl(200, 67%, 61%)
HSV	hsv(200, 61%, 87%)
CMYK	cmyk(60.8%, 20.3%, 0%, 12.9%)
CIE-LAB	lab(68.56, -13.67, -30.71)
CIE-LCH	lch(68.56, 33.61, 246.00°)
OKLab	oklab(72.32% -0.0653 -0.0859)
OKLCH	oklch(72.32% 0.108 232.7)
XYZ	xyz(32.8324, 38.7412, 74.8406)
Luminance	0.3874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B1DE #DE8457

analogous

#57DEC7 #57B1DE #576DDE

triadic

#57B1DE #DE57B1 #B1DE57

tetradic

#57B1DE #C757DE #DE8457 #6DDE57

square

#57B1DE #C757DE #DE8457 #6DDE57

split-complementary

#57B1DE #DE576D #DEC757

monochromatic

#1F729C #2998CF #57B1DE #8AC9E8 #BDE0F2

Accessibility & contrast

On white

2.40

#57B1DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#57B1DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B1DE

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B1DE	#FFFFFF	#000000	##000000
##57B1DE	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAFE0

Deuteranopia (green-blind)

#88A1DD

Tritanopia (blue-blind)

#00BDC0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #57b1de;
/* rgb */ color: rgb(87, 177, 222);
/* oklch */ color: oklch(72.3% 0.108 232.7);

Tailwind

colors: {
  custom: {
    50: '#92c8e8',
    500: '#57b1de',
    950: '#000000',
  },
}

SCSS

$custom: #57b1de;
$custom-light: #92c8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#57b1de",
  "rgb": {
    "r": 87,
    "g": 177,
    "b": 222
  },
  "hsl": {
    "h": 200,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.72315,
    "c": 0.10789,
    "h": 232.7
  },
  "luminance": 0.38744
}

Semantic roles & 50–950 ramp

primary

#57B1DE

secondary

#E2C0AF

accent

#5416CF

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B1DE

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

Preview Lab → · Contrast checker → · Palette generator →