#51DCFE#51DCFE

#51DCFE is a very light, vivid cyan. Relative luminance 0.601; OKLCH L 83.3% C 0.126 H 217.4°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#51DCFE
RGB	rgb(81, 220, 254)
HSL	hsl(192, 99%, 66%)
HSV	hsv(192, 68%, 100%)
CMYK	cmyk(68.1%, 13.4%, 0%, 0.4%)
CIE-LAB	lab(81.89, -26.90, -27.48)
CIE-LCH	lch(81.89, 38.46, 225.62°)
OKLab	oklab(83.31% -0.1003 -0.0766)
OKLCH	oklch(83.31% 0.126 217.4)
XYZ	xyz(46.8685, 60.0862, 102.8744)
Luminance	0.6009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCFE #FE7351

analogous

#51FEC9 #51DCFE #5185FE

triadic

#51DCFE #FE51DC #DCFE51

tetradic

#51DCFE #C951FE #FE7351 #85FE51

square

#51DCFE #C951FE #FE7351 #85FE51

split-complementary

#51DCFE #FE5185 #FEC951

monochromatic

#01AAD3 #14D0FE #51DCFE #8EE8FE #CBF4FF

Accessibility & contrast

On white

1.61

#51DCFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#51DCFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCFE

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCFE	#FFFFFF	#000000	##000000
##51DCFE	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D6FF

Deuteranopia (green-blind)

#ADC4FE

Tritanopia (blue-blind)

#00E8E7

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51dcfe;
/* rgb */ color: rgb(81, 220, 254);
/* oklch */ color: oklch(83.3% 0.126 217.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51dcfe",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 254
  },
  "hsl": {
    "h": 191.792,
    "s": 98.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.8331,
    "c": 0.12622,
    "h": 217.4
  },
  "luminance": 0.60091
}

Semantic roles & 50–950 ramp

primary

#51DCFE

secondary

#CE4725

accent

#2D00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1618

muted

#808486

Preview Lab

Preview with #51DCFE

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

Preview Lab → · Contrast checker → · Palette generator →