#51DCFD#51DCFD

#51DCFD is a very light, vivid cyan. Relative luminance 0.600; OKLCH L 83.3% C 0.126 H 216.8°. Best body text is #000000 at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#51DCFD
RGB	rgb(81, 220, 253)
HSL	hsl(192, 98%, 65%)
HSV	hsv(192, 68%, 99%)
CMYK	cmyk(68%, 13%, 0%, 0.8%)
CIE-LAB	lab(81.85, -27.20, -27.01)
CIE-LCH	lch(81.85, 38.33, 224.80°)
OKLab	oklab(83.27% -0.1007 -0.0753)
OKLCH	oklch(83.27% 0.126 216.8)
XYZ	xyz(46.7088, 60.0223, 102.0333)
Luminance	0.6003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCFD #FD7251

analogous

#51FDC8 #51DCFD #5186FD

triadic

#51DCFD #FD51DC #DCFD51

tetradic

#51DCFD #C851FD #FD7251 #86FD51

square

#51DCFD #C851FD #FD7251 #86FD51

split-complementary

#51DCFD #FD5186 #FDC851

monochromatic

#02AAD1 #14D0FC #51DCFD #8EE8FE #CAF4FE

Accessibility & contrast

On white

1.61

#51DCFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.01

#51DCFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCFD

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCFD	#FFFFFF	#000000	##000000
##51DCFD	1.00	1.61	13.01	13.01
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.01	21.00	1.00	1.00
##000000	13.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D6FF

Deuteranopia (green-blind)

#AEC4FD

Tritanopia (blue-blind)

#00E8E6

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51dcfd;
/* rgb */ color: rgb(81, 220, 253);
/* oklch */ color: oklch(83.3% 0.126 216.8);

Tailwind

colors: {
  custom: {
    50: '#96e7fe',
    500: '#51dcfd',
    950: '#000000',
  },
}

SCSS

$custom: #51dcfd;
$custom-light: #96e7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#51dcfd",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 253
  },
  "hsl": {
    "h": 191.512,
    "s": 97.727,
    "l": 65.49
  },
  "oklch": {
    "l": 0.8327,
    "c": 0.1257,
    "h": 216.8
  },
  "luminance": 0.60028
}

Semantic roles & 50–950 ramp

primary

#51DCFD

secondary

#CC4626

accent

#2C00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DCFD

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

Preview Lab → · Contrast checker → · Palette generator →