#51DBFC#51DBFC

#51DBFC is a very light, vivid cyan. Relative luminance 0.594; OKLCH L 83.0% C 0.125 H 216.9°. Best body text is #000000 at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#51DBFC
RGB	rgb(81, 219, 252)
HSL	hsl(192, 97%, 65%)
HSV	hsv(192, 68%, 99%)
CMYK	cmyk(67.9%, 13.1%, 0%, 1.2%)
CIE-LAB	lab(81.53, -27.01, -26.97)
CIE-LCH	lch(81.53, 38.17, 224.96°)
OKLab	oklab(83% -0.1001 -0.0751)
OKLCH	oklch(83% 0.125 216.9)
XYZ	xyz(46.2882, 59.4354, 101.1093)
Luminance	0.5944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DBFC #FC7251

analogous

#51FCC7 #51DBFC #5185FC

triadic

#51DBFC #FC51DB #DBFC51

tetradic

#51DBFC #C751FC #FC7251 #85FC51

square

#51DBFC #C751FC #FC7251 #85FC51

split-complementary

#51DBFC #FC5185 #FCC751

monochromatic

#04A8CF #15CFFB #51DBFC #8DE7FD #C9F4FE

Accessibility & contrast

On white

1.63

#51DBFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.89

#51DBFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DBFC

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DBFC	#FFFFFF	#000000	##000000
##51DBFC	1.00	1.63	12.89	12.89
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.89	21.00	1.00	1.00
##000000	12.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D5FE

Deuteranopia (green-blind)

#ADC3FC

Tritanopia (blue-blind)

#00E7E5

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51dbfc;
/* rgb */ color: rgb(81, 219, 252);
/* oklch */ color: oklch(83.0% 0.125 216.9);

Tailwind

colors: {
  custom: {
    50: '#95e6fd',
    500: '#51dbfc',
    950: '#000000',
  },
}

SCSS

$custom: #51dbfc;
$custom-light: #95e6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#51dbfc",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 252
  },
  "hsl": {
    "h": 191.579,
    "s": 96.61,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83002,
    "c": 0.12516,
    "h": 216.9
  },
  "luminance": 0.59441
}

Semantic roles & 50–950 ramp

primary

#51DBFC

secondary

#CA4727

accent

#2C00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DBFC

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

Preview Lab → · Contrast checker → · Palette generator →