#51CCF2#51CCF2

#51CCF2 is a light, moderate cyan. Relative luminance 0.513; OKLCH L 79.2% C 0.120 H 222.0°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#51CCF2
RGB	rgb(81, 204, 242)
HSL	hsl(194, 86%, 63%)
HSV	hsv(194, 67%, 95%)
CMYK	cmyk(66.5%, 15.7%, 0%, 5.1%)
CIE-LAB	lab(76.89, -22.56, -28.75)
CIE-LCH	lch(76.89, 36.54, 231.88°)
OKLab	oklab(79.16% -0.0892 -0.0802)
OKLCH	oklch(79.16% 0.12 222)
XYZ	xyz(41.0067, 51.3414, 91.7359)
Luminance	0.5135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CCF2 #F27751

analogous

#51F2C7 #51CCF2 #517CF2

triadic

#51CCF2 #F251CC #CCF251

tetradic

#51CCF2 #C751F2 #F27751 #7CF251

square

#51CCF2 #C751F2 #F27751 #7CF251

split-complementary

#51CCF2 #F2517C #F2C751

monochromatic

#0E92BB #18BBEE #51CCF2 #8ADDF6 #C3EDFB

Accessibility & contrast

On white

1.86

#51CCF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.27

#51CCF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CCF2

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CCF2	#FFFFFF	#000000	##000000
##51CCF2	1.00	1.86	11.27	11.27
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.27	21.00	1.00	1.00
##000000	11.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C7F4

Deuteranopia (green-blind)

#9FB7F2

Tritanopia (blue-blind)

#00D8D8

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51ccf2;
/* rgb */ color: rgb(81, 204, 242);
/* oklch */ color: oklch(79.2% 0.120 222.0);

Tailwind

colors: {
  custom: {
    50: '#93dbf6',
    500: '#51ccf2',
    950: '#000000',
  },
}

SCSS

$custom: #51ccf2;
$custom-light: #93dbf6;
$custom-dark: #000000;

JSON

{
  "hex": "#51ccf2",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 242
  },
  "hsl": {
    "h": 194.161,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.79157,
    "c": 0.11996,
    "h": 222
  },
  "luminance": 0.51346
}

Semantic roles & 50–950 ramp

primary

#51CCF2

secondary

#B94F2E

accent

#3803E3

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #51CCF2

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

Preview Lab → · Contrast checker → · Palette generator →