#51CFEC#51CFEC

#51CFEC is a light, moderate cyan. Relative luminance 0.524; OKLCH L 79.6% C 0.117 H 215.9°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#51CFEC
RGB	rgb(81, 207, 236)
HSL	hsl(191, 80%, 62%)
HSV	hsv(191, 66%, 93%)
CMYK	cmyk(65.7%, 12.3%, 0%, 7.5%)
CIE-LAB	lab(77.54, -25.87, -24.54)
CIE-LCH	lch(77.54, 35.66, 223.49°)
OKLab	oklab(79.61% -0.0944 -0.0683)
OKLCH	oklch(79.61% 0.117 215.9)
XYZ	xyz(40.8402, 52.4266, 87.3076)
Luminance	0.5243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CFEC #EC6E51

analogous

#51ECBC #51CFEC #5181EC

triadic

#51CFEC #EC51CF #CFEC51

tetradic

#51CFEC #BC51EC #EC6E51 #81EC51

square

#51CFEC #BC51EC #EC6E51 #81EC51

split-complementary

#51CFEC #EC5181 #ECBC51

monochromatic

#1392AF #1AC0E6 #51CFEC #88DEF2 #BFEDF8

Accessibility & contrast

On white

1.83

#51CFEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.49

#51CFEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFEC

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CFEC	#FFFFFF	#000000	##000000
##51CFEC	1.00	1.83	11.49	11.49
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.49	21.00	1.00	1.00
##000000	11.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC9EE

Deuteranopia (green-blind)

#A5B9EC

Tritanopia (blue-blind)

#00DAD8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51cfec;
/* rgb */ color: rgb(81, 207, 236);
/* oklch */ color: oklch(79.6% 0.117 215.9);

Tailwind

colors: {
  custom: {
    50: '#93def2',
    500: '#51cfec',
    950: '#000000',
  },
}

SCSS

$custom: #51cfec;
$custom-light: #93def2;
$custom-dark: #000000;

JSON

{
  "hex": "#51cfec",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 236
  },
  "hsl": {
    "h": 191.226,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.79609,
    "c": 0.11651,
    "h": 215.9
  },
  "luminance": 0.52431
}

Semantic roles & 50–950 ramp

primary

#51CFEC

secondary

#B04931

accent

#3009DD

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51CFEC

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

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