#51DCFF#51DCFF

#51DCFF is a very light, vivid cyan. Relative luminance 0.602; OKLCH L 83.3% C 0.127 H 218.0°. Best body text is #000000 at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#51DCFF
RGB	rgb(81, 220, 255)
HSL	hsl(192, 100%, 66%)
HSV	hsv(192, 68%, 100%)
CMYK	cmyk(68.2%, 13.7%, 0%, 0%)
CIE-LAB	lab(81.92, -26.60, -27.96)
CIE-LCH	lch(81.92, 38.59, 226.43°)
OKLab	oklab(83.35% -0.0999 -0.078)
OKLCH	oklch(83.35% 0.127 218)
XYZ	xyz(47.0290, 60.1504, 103.7200)
Luminance	0.6016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCFF #FF7451

analogous

#51FFCB #51DCFF #5185FF

triadic

#51DCFF #FF51DC #DCFF51

tetradic

#51DCFF #CB51FF #FF7451 #85FF51

square

#51DCFF #CB51FF #FF7451 #85FF51

split-complementary

#51DCFF #FF5185 #FFCB51

monochromatic

#00ABD6 #14D0FF #51DCFF #8EE8FF #CBF5FF

Accessibility & contrast

On white

1.61

#51DCFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.03

#51DCFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCFF

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCFF	#FFFFFF	#000000	##000000
##51DCFF	1.00	1.61	13.03	13.03
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.03	21.00	1.00	1.00
##000000	13.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D6FF

Deuteranopia (green-blind)

#ADC4FF

Tritanopia (blue-blind)

#00E8E7

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51dcff;
/* rgb */ color: rgb(81, 220, 255);
/* oklch */ color: oklch(83.3% 0.127 218.0);

Tailwind

colors: {
  custom: {
    50: '#96e7ff',
    500: '#51dcff',
    950: '#000000',
  },
}

SCSS

$custom: #51dcff;
$custom-light: #96e7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#51dcff",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 255
  },
  "hsl": {
    "h": 192.069,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.83349,
    "c": 0.12674,
    "h": 218
  },
  "luminance": 0.60156
}

Semantic roles & 50–950 ramp

primary

#51DCFF

secondary

#D04725

accent

#2E00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1618

muted

#808486

Preview Lab

Preview with #51DCFF

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

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