#51CEEA#51CEEA

#51CEEA is a light, moderate cyan. Relative luminance 0.518; OKLCH L 79.3% C 0.115 H 215.4°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#51CEEA
RGB	rgb(81, 206, 234)
HSL	hsl(191, 78%, 62%)
HSV	hsv(191, 65%, 92%)
CMYK	cmyk(65.4%, 12%, 0%, 8.2%)
CIE-LAB	lab(77.18, -25.97, -24.01)
CIE-LCH	lch(77.18, 35.37, 222.76°)
OKLab	oklab(79.3% -0.0942 -0.0668)
OKLCH	oklch(79.3% 0.115 215.4)
XYZ	xyz(40.3098, 51.8280, 85.7054)
Luminance	0.5183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CEEA #EA6D51

analogous

#51EAB9 #51CEEA #5182EA

triadic

#51CEEA #EA51CE #CEEA51

tetradic

#51CEEA #B951EA #EA6D51 #82EA51

square

#51CEEA #B951EA #EA6D51 #82EA51

split-complementary

#51CEEA #EA5182 #EAB951

monochromatic

#1590AC #1BBEE2 #51CEEA #88DDF1 #BEEDF7

Accessibility & contrast

On white

1.85

#51CEEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#51CEEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CEEA

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CEEA	#FFFFFF	#000000	##000000
##51CEEA	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC8EC

Deuteranopia (green-blind)

#A5B8EA

Tritanopia (blue-blind)

#00D8D7

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51ceea;
/* rgb */ color: rgb(81, 206, 234);
/* oklch */ color: oklch(79.3% 0.115 215.4);

Tailwind

colors: {
  custom: {
    50: '#93ddf0',
    500: '#51ceea',
    950: '#000000',
  },
}

SCSS

$custom: #51ceea;
$custom-light: #93ddf0;
$custom-dark: #000000;

JSON

{
  "hex": "#51ceea",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 234
  },
  "hsl": {
    "h": 190.98,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.79299,
    "c": 0.11546,
    "h": 215.4
  },
  "luminance": 0.51832
}

Semantic roles & 50–950 ramp

primary

#51CEEA

secondary

#AD4932

accent

#310BDB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51CEEA

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

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