#57B3CD#57B3CD

#57B3CD is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.1% C 0.095 H 218.9°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#57B3CD
RGB	rgb(87, 179, 205)
HSL	hsl(193, 54%, 57%)
HSV	hsv(193, 58%, 80%)
CMYK	cmyk(57.6%, 12.7%, 0%, 19.6%)
CIE-LAB	lab(68.51, -19.86, -21.45)
CIE-LCH	lch(68.51, 29.23, 227.20°)
OKLab	oklab(72.07% -0.0737 -0.0595)
OKLCH	oklch(72.07% 0.095 218.9)
XYZ	xyz(31.0657, 38.6712, 63.5729)
Luminance	0.3867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3CD #CD7157

analogous

#57CDAC #57B3CD #5778CD

triadic

#57B3CD #CD57B3 #B3CD57

tetradic

#57B3CD #AC57CD #CD7157 #78CD57

square

#57B3CD #AC57CD #CD7157 #78CD57

split-complementary

#57B3CD #CD5778 #CDAC57

monochromatic

#276E83 #3596B2 #57B3CD #86C8DB #B5DEE9

Accessibility & contrast

On white

2.40

#57B3CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#57B3CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3CD

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3CD	#FFFFFF	#000000	##000000
##57B3CD	1.00	2.40	8.73	8.73
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AECE

Deuteranopia (green-blind)

#91A1CD

Tritanopia (blue-blind)

#00BCBB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #57b3cd;
/* rgb */ color: rgb(87, 179, 205);
/* oklch */ color: oklch(72.1% 0.095 218.9);

Tailwind

colors: {
  custom: {
    50: '#90cadc',
    500: '#57b3cd',
    950: '#000000',
  },
}

SCSS

$custom: #57b3cd;
$custom-light: #90cadc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3cd",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 205
  },
  "hsl": {
    "h": 193.22,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.72066,
    "c": 0.09478,
    "h": 218.9
  },
  "luminance": 0.38674
}

Semantic roles & 50–950 ramp

primary

#57B3CD

secondary

#D8B3A8

accent

#6B4ADD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B3CD

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

Preview Lab → · Contrast checker → · Palette generator →