#51CFEA#51CFEA

#51CFEA is a light, moderate cyan. Relative luminance 0.523; OKLCH L 79.5% C 0.116 H 214.6°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#51CFEA
RGB	rgb(81, 207, 234)
HSL	hsl(191, 78%, 62%)
HSV	hsv(191, 65%, 92%)
CMYK	cmyk(65.4%, 11.5%, 0%, 8.2%)
CIE-LAB	lab(77.47, -26.46, -23.57)
CIE-LCH	lch(77.47, 35.44, 221.69°)
OKLab	oklab(79.53% -0.0952 -0.0656)
OKLCH	oklch(79.53% 0.116 214.6)
XYZ	xyz(40.5513, 52.3111, 85.7859)
Luminance	0.5232 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CFEA #EA6C51

analogous

#51EAB9 #51CFEA #5183EA

triadic

#51CFEA #EA51CF #CFEA51

tetradic

#51CFEA #B951EA #EA6C51 #83EA51

square

#51CFEA #B951EA #EA6C51 #83EA51

split-complementary

#51CFEA #EA5183 #EAB951

monochromatic

#1591AC #1BBFE2 #51CFEA #88DEF1 #BEEDF7

Accessibility & contrast

On white

1.83

#51CFEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#51CFEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFEA

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CFEA	#FFFFFF	#000000	##000000
##51CFEA	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC9EC

Deuteranopia (green-blind)

#A6B8EA

Tritanopia (blue-blind)

#00D9D7

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51cfea;
/* rgb */ color: rgb(81, 207, 234);
/* oklch */ color: oklch(79.5% 0.116 214.6);

Tailwind

colors: {
  custom: {
    50: '#93def0',
    500: '#51cfea',
    950: '#000000',
  },
}

SCSS

$custom: #51cfea;
$custom-light: #93def0;
$custom-dark: #000000;

JSON

{
  "hex": "#51cfea",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 234
  },
  "hsl": {
    "h": 190.588,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.7953,
    "c": 0.11557,
    "h": 214.6
  },
  "luminance": 0.52315
}

Semantic roles & 50–950 ramp

primary

#51CFEA

secondary

#AD4832

accent

#2F0BDB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51CFEA

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

Preview Lab → · Contrast checker → · Palette generator →