#51DBFD#51DBFD

#51DBFD is a very light, vivid cyan. Relative luminance 0.595; OKLCH L 83.0% C 0.126 H 217.5°. Best body text is #000000 at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#51DBFD
RGB	rgb(81, 219, 253)
HSL	hsl(192, 98%, 65%)
HSV	hsv(192, 68%, 99%)
CMYK	cmyk(68%, 13.4%, 0%, 0.8%)
CIE-LAB	lab(81.57, -26.71, -27.44)
CIE-LCH	lch(81.57, 38.29, 225.78°)
OKLab	oklab(83.04% -0.0997 -0.0765)
OKLCH	oklch(83.04% 0.126 217.5)
XYZ	xyz(46.4471, 59.4990, 101.9460)
Luminance	0.5950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DBFD #FD7351

analogous

#51FDC9 #51DBFD #5185FD

triadic

#51DBFD #FD51DB #DBFD51

tetradic

#51DBFD #C951FD #FD7351 #85FD51

square

#51DBFD #C951FD #FD7351 #85FD51

split-complementary

#51DBFD #FD5185 #FDC951

monochromatic

#02A8D1 #14CEFC #51DBFD #8EE8FE #CAF4FE

Accessibility & contrast

On white

1.63

#51DBFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.90

#51DBFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DBFD

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DBFD	#FFFFFF	#000000	##000000
##51DBFD	1.00	1.63	12.90	12.90
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.90	21.00	1.00	1.00
##000000	12.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D5FF

Deuteranopia (green-blind)

#ADC3FD

Tritanopia (blue-blind)

#00E7E6

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51dbfd;
/* rgb */ color: rgb(81, 219, 253);
/* oklch */ color: oklch(83.0% 0.126 217.5);

Tailwind

colors: {
  custom: {
    50: '#96e6fe',
    500: '#51dbfd',
    950: '#000000',
  },
}

SCSS

$custom: #51dbfd;
$custom-light: #96e6fe;
$custom-dark: #000000;

JSON

{
  "hex": "#51dbfd",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 253
  },
  "hsl": {
    "h": 191.86,
    "s": 97.727,
    "l": 65.49
  },
  "oklch": {
    "l": 0.83041,
    "c": 0.12568,
    "h": 217.5
  },
  "luminance": 0.59504
}

Semantic roles & 50–950 ramp

primary

#51DBFD

secondary

#CC4726

accent

#2D00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DBFD

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

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