#57B0DF#57B0DF

#57B0DF is a light, moderate cyan. Relative luminance 0.384; OKLCH L 72.1% C 0.109 H 234.2°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#57B0DF
RGB	rgb(87, 176, 223)
HSL	hsl(201, 68%, 61%)
HSV	hsv(201, 61%, 87%)
CMYK	cmyk(61%, 21.1%, 0%, 12.5%)
CIE-LAB	lab(68.32, -12.83, -31.64)
CIE-LCH	lch(68.32, 34.14, 247.93°)
OKLab	oklab(72.13% -0.0639 -0.0885)
OKLCH	oklch(72.13% 0.109 234.2)
XYZ	xyz(32.7700, 38.4014, 75.4830)
Luminance	0.3841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B0DF #DF8657

analogous

#57DFCA #57B0DF #576CDF

triadic

#57B0DF #DF57B0 #B0DF57

tetradic

#57B0DF #CA57DF #DF8657 #6CDF57

square

#57B0DF #CA57DF #DF8657 #6CDF57

split-complementary

#57B0DF #DF576C #DFCA57

monochromatic

#1E719E #2897D1 #57B0DF #8AC8E9 #BEE0F3

Accessibility & contrast

On white

2.42

#57B0DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.68

#57B0DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B0DF

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B0DF	#FFFFFF	#000000	##000000
##57B0DF	1.00	2.42	8.68	8.68
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.68	21.00	1.00	1.00
##000000	8.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99AEE1

Deuteranopia (green-blind)

#87A0DE

Tritanopia (blue-blind)

#00BCC0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #57b0df;
/* rgb */ color: rgb(87, 176, 223);
/* oklch */ color: oklch(72.1% 0.109 234.2);

Tailwind

colors: {
  custom: {
    50: '#92c7e9',
    500: '#57b0df',
    950: '#000000',
  },
}

SCSS

$custom: #57b0df;
$custom-light: #92c7e9;
$custom-dark: #000000;

JSON

{
  "hex": "#57b0df",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 223
  },
  "hsl": {
    "h": 200.735,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.72131,
    "c": 0.1092,
    "h": 234.2
  },
  "luminance": 0.38405
}

Semantic roles & 50–950 ramp

primary

#57B0DF

secondary

#E3C1AF

accent

#5616D0

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B0DF

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

Preview Lab → · Contrast checker → · Palette generator →