#57DDFF#57DDFF

#57DDFF is a very light, vivid cyan. Relative luminance 0.610; OKLCH L 83.7% C 0.124 H 217.8°. Best body text is #000000 at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#57DDFF
RGB	rgb(87, 221, 255)
HSL	hsl(192, 100%, 67%)
HSV	hsv(192, 66%, 100%)
CMYK	cmyk(65.9%, 13.3%, 0%, 0%)
CIE-LAB	lab(82.35, -26.24, -27.28)
CIE-LCH	lch(82.35, 37.85, 226.12°)
OKLab	oklab(83.74% -0.098 -0.076)
OKLCH	oklch(83.74% 0.124 217.8)
XYZ	xyz(47.8295, 60.9539, 103.8329)
Luminance	0.6096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57DDFF #FF7957

analogous

#57FFCD #57DDFF #5789FF

triadic

#57DDFF #FF57DD #DDFF57

tetradic

#57DDFF #CD57FF #FF7957 #89FF57

square

#57DDFF #CD57FF #FF7957 #89FF57

split-complementary

#57DDFF #FF5789 #FFCD57

monochromatic

#00AFDC #1AD1FF #57DDFF #94E9FF #D1F6FF

Accessibility & contrast

On white

1.59

#57DDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.19

#57DDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57DDFF

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57DDFF	#FFFFFF	#000000	##000000
##57DDFF	1.00	1.59	13.19	13.19
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.19	21.00	1.00	1.00
##000000	13.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D7FF

Deuteranopia (green-blind)

#AFC5FF

Tritanopia (blue-blind)

#00E9E8

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #57ddff;
/* rgb */ color: rgb(87, 221, 255);
/* oklch */ color: oklch(83.7% 0.124 217.8);

Tailwind

colors: {
  custom: {
    50: '#98e7ff',
    500: '#57ddff',
    950: '#000000',
  },
}

SCSS

$custom: #57ddff;
$custom-light: #98e7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#57ddff",
  "rgb": {
    "r": 87,
    "g": 221,
    "b": 255
  },
  "hsl": {
    "h": 192.143,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.8374,
    "c": 0.12399,
    "h": 217.8
  },
  "luminance": 0.60959
}

Semantic roles & 50–950 ramp

primary

#57DDFF

secondary

#D54926

accent

#2E00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1618

muted

#808486

Preview Lab

Preview with #57DDFF

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

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