#57B3DC#57B3DC

#57B3DC is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.7% C 0.105 H 229.8°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#57B3DC
RGB	rgb(87, 179, 220)
HSL	hsl(198, 66%, 60%)
HSV	hsv(198, 60%, 86%)
CMYK	cmyk(60.5%, 18.6%, 0%, 13.7%)
CIE-LAB	lab(69.06, -15.35, -28.84)
CIE-LCH	lch(69.06, 32.67, 241.97°)
OKLab	oklab(72.69% -0.0681 -0.0805)
OKLCH	oklch(72.69% 0.105 229.8)
XYZ	xyz(32.9638, 39.4305, 73.5699)
Luminance	0.3943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3DC #DC8057

analogous

#57DCC2 #57B3DC #5771DC

triadic

#57B3DC #DC57B3 #B3DC57

tetradic

#57B3DC #C257DC #DC8057 #71DC57

square

#57B3DC #C257DC #DC8057 #71DC57

split-complementary

#57B3DC #DC5771 #DCC257

monochromatic

#207399 #2A9ACB #57B3DC #8ACAE7 #BCE1F1

Accessibility & contrast

On white

2.36

#57B3DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#57B3DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3DC

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3DC	#FFFFFF	#000000	##000000
##57B3DC	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB0DE

Deuteranopia (green-blind)

#8BA3DB

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b3dc;
/* rgb */ color: rgb(87, 179, 220);
/* oklch */ color: oklch(72.7% 0.105 229.8);

Tailwind

colors: {
  custom: {
    50: '#92c9e7',
    500: '#57b3dc',
    950: '#000000',
  },
}

SCSS

$custom: #57b3dc;
$custom-light: #92c9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3dc",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 220
  },
  "hsl": {
    "h": 198.496,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.72686,
    "c": 0.10549,
    "h": 229.8
  },
  "luminance": 0.39434
}

Semantic roles & 50–950 ramp

primary

#57B3DC

secondary

#E1BEAE

accent

#5018CD

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B3DC

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

Preview Lab → · Contrast checker → · Palette generator →