#51CCEC#51CCEC

#51CCEC is a light, moderate cyan. Relative luminance 0.510; OKLCH L 78.9% C 0.116 H 218.2°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#51CCEC
RGB	rgb(81, 204, 236)
HSL	hsl(192, 80%, 62%)
HSV	hsv(192, 66%, 93%)
CMYK	cmyk(65.7%, 13.6%, 0%, 7.5%)
CIE-LAB	lab(76.67, -24.37, -25.86)
CIE-LCH	lch(76.67, 35.54, 226.69°)
OKLab	oklab(78.92% -0.0914 -0.072)
OKLCH	oklch(78.92% 0.116 218.2)
XYZ	xyz(40.1203, 50.9868, 87.0676)
Luminance	0.5099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CCEC #EC7151

analogous

#51ECBF #51CCEC #517FEC

triadic

#51CCEC #EC51CC #CCEC51

tetradic

#51CCEC #BF51EC #EC7151 #7FEC51

square

#51CCEC #BF51EC #EC7151 #7FEC51

split-complementary

#51CCEC #EC517F #ECBF51

monochromatic

#138FAF #1ABCE6 #51CCEC #88DCF2 #BFECF8

Accessibility & contrast

On white

1.88

#51CCEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#51CCEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CCEC

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CCEC	#FFFFFF	#000000	##000000
##51CCEC	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C6EE

Deuteranopia (green-blind)

#A1B6EC

Tritanopia (blue-blind)

#00D7D6

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51ccec;
/* rgb */ color: rgb(81, 204, 236);
/* oklch */ color: oklch(78.9% 0.116 218.2);

Tailwind

colors: {
  custom: {
    50: '#93dbf2',
    500: '#51ccec',
    950: '#000000',
  },
}

SCSS

$custom: #51ccec;
$custom-light: #93dbf2;
$custom-dark: #000000;

JSON

{
  "hex": "#51ccec",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 236
  },
  "hsl": {
    "h": 192.387,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.78915,
    "c": 0.11638,
    "h": 218.2
  },
  "luminance": 0.50991
}

Semantic roles & 50–950 ramp

primary

#51CCEC

secondary

#B04B31

accent

#3509DD

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1517

muted

#7F8485

Preview Lab

Preview with #51CCEC

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

Preview Lab → · Contrast checker → · Palette generator →