#63CCEB#63CCEB

#63CCEB is a light, moderate cyan. Relative luminance 0.518; OKLCH L 79.5% C 0.106 H 219.9°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#63CCEB
RGB	rgb(99, 204, 235)
HSL	hsl(194, 77%, 65%)
HSV	hsv(194, 58%, 92%)
CMYK	cmyk(57.9%, 13.2%, 0%, 7.8%)
CIE-LAB	lab(77.18, -21.63, -24.49)
CIE-LCH	lch(77.18, 32.68, 228.56°)
OKLab	oklab(79.46% -0.0814 -0.068)
OKLCH	oklch(79.46% 0.106 219.9)
XYZ	xyz(41.7279, 51.8325, 86.3868)
Luminance	0.5184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CCEB #EB8263

analogous

#63EBC6 #63CCEB #6388EB

triadic

#63CCEB #EB63CC #CCEB63

tetradic

#63CCEB #C663EB #EB8263 #88EB63

square

#63CCEB #C663EB #EB8263 #88EB63

split-complementary

#63CCEB #EB6388 #EBC663

monochromatic

#1896BC #2DBAE4 #63CCEB #99DEF2 #CFEFF9

Accessibility & contrast

On white

1.85

#63CCEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#63CCEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CCEB

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CCEB	#FFFFFF	#000000	##000000
##63CCEB	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)

#B9C7ED

Deuteranopia (green-blind)

#A5B8EB

Tritanopia (blue-blind)

#00D6D6

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #63cceb;
/* rgb */ color: rgb(99, 204, 235);
/* oklch */ color: oklch(79.5% 0.106 219.9);

Tailwind

colors: {
  custom: {
    50: '#9bdbf1',
    500: '#63cceb',
    950: '#000000',
  },
}

SCSS

$custom: #63cceb;
$custom-light: #9bdbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#63cceb",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 235
  },
  "hsl": {
    "h": 193.676,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.79464,
    "c": 0.10606,
    "h": 219.9
  },
  "luminance": 0.51837
}

Semantic roles & 50–950 ramp

primary

#63CCEB

secondary

#BB5538

accent

#3B0CDA

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63CCEB

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

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