#51CCEE#51CCEE

#51CCEE is a light, moderate cyan. Relative luminance 0.511; OKLCH L 79.0% C 0.118 H 219.5°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#51CCEE
RGB	rgb(81, 204, 238)
HSL	hsl(193, 82%, 63%)
HSV	hsv(193, 66%, 93%)
CMYK	cmyk(66%, 14.3%, 0%, 6.7%)
CIE-LAB	lab(76.74, -23.77, -26.82)
CIE-LCH	lch(76.74, 35.84, 228.45°)
OKLab	oklab(79% -0.0906 -0.0748)
OKLCH	oklch(79% 0.118 219.5)
XYZ	xyz(40.4125, 51.1037, 88.6065)
Luminance	0.5111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CCEE #EE7351

analogous

#51EEC2 #51CCEE #517DEE

triadic

#51CCEE #EE51CC #CCEE51

tetradic

#51CCEE #C251EE #EE7351 #7DEE51

square

#51CCEE #C251EE #EE7351 #7DEE51

split-complementary

#51CCEE #EE517D #EEC251

monochromatic

#1190B3 #19BCE9 #51CCEE #89DCF3 #C1EDF9

Accessibility & contrast

On white

1.87

#51CCEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#51CCEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CCEE

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CCEE	#FFFFFF	#000000	##000000
##51CCEE	1.00	1.87	11.22	11.22
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.22	21.00	1.00	1.00
##000000	11.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C7F0

Deuteranopia (green-blind)

#A1B6EE

Tritanopia (blue-blind)

#00D7D7

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51ccee;
/* rgb */ color: rgb(81, 204, 238);
/* oklch */ color: oklch(79.0% 0.118 219.5);

Tailwind

colors: {
  custom: {
    50: '#93dbf3',
    500: '#51ccee',
    950: '#000000',
  },
}

SCSS

$custom: #51ccee;
$custom-light: #93dbf3;
$custom-dark: #000000;

JSON

{
  "hex": "#51ccee",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 238
  },
  "hsl": {
    "h": 192.994,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.78995,
    "c": 0.11751,
    "h": 219.5
  },
  "luminance": 0.51108
}

Semantic roles & 50–950 ramp

primary

#51CCEE

secondary

#B34D30

accent

#3607DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1517

muted

#7F8485

Preview Lab

Preview with #51CCEE

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

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