#51CBEC#51CBEC

#51CBEC is a light, moderate cyan. Relative luminance 0.505; OKLCH L 78.7% C 0.116 H 219.0°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#51CBEC
RGB	rgb(81, 203, 236)
HSL	hsl(193, 80%, 62%)
HSV	hsv(193, 66%, 93%)
CMYK	cmyk(65.7%, 14%, 0%, 7.5%)
CIE-LAB	lab(76.38, -23.87, -26.30)
CIE-LCH	lch(76.38, 35.52, 227.77°)
OKLab	oklab(78.68% -0.0904 -0.0733)
OKLCH	oklch(78.68% 0.116 219)
XYZ	xyz(39.8834, 50.5130, 86.9887)
Luminance	0.5052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBEC #EC7251

analogous

#51ECBF #51CBEC #517EEC

triadic

#51CBEC #EC51CB #CBEC51

tetradic

#51CBEC #BF51EC #EC7251 #7EEC51

square

#51CBEC #BF51EC #EC7251 #7EEC51

split-complementary

#51CBEC #EC517E #ECBF51

monochromatic

#138EAF #1ABBE6 #51CBEC #88DBF2 #BFECF8

Accessibility & contrast

On white

1.89

#51CBEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#51CBEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBEC

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBEC	#FFFFFF	#000000	##000000
##51CBEC	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C6EE

Deuteranopia (green-blind)

#A0B5EC

Tritanopia (blue-blind)

#00D6D5

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51cbec;
/* rgb */ color: rgb(81, 203, 236);
/* oklch */ color: oklch(78.7% 0.116 219.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51cbec",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 236
  },
  "hsl": {
    "h": 192.774,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.78684,
    "c": 0.11638,
    "h": 219
  },
  "luminance": 0.50517
}

Semantic roles & 50–950 ramp

primary

#51CBEC

secondary

#B04C31

accent

#3609DD

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0E1517

muted

#7F8485

Preview Lab

Preview with #51CBEC

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

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