#63CFEF#63CFEF

#63CFEF is a light, moderate cyan. Relative luminance 0.535; OKLCH L 80.3% C 0.108 H 220.1°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#63CFEF
RGB	rgb(99, 207, 239)
HSL	hsl(194, 81%, 66%)
HSV	hsv(194, 59%, 94%)
CMYK	cmyk(58.6%, 13.4%, 0%, 6.3%)
CIE-LAB	lab(78.17, -21.98, -25.12)
CIE-LCH	lch(78.17, 33.39, 228.81°)
OKLab	oklab(80.3% -0.083 -0.0698)
OKLCH	oklch(80.3% 0.108 220.1)
XYZ	xyz(43.0322, 53.5061, 89.7045)
Luminance	0.5351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CFEF #EF8363

analogous

#63EFC9 #63CFEF #6389EF

triadic

#63CFEF #EF63CF #CFEF63

tetradic

#63CFEF #C963EF #EF8363 #89EF63

square

#63CFEF #C963EF #EF8363 #89EF63

split-complementary

#63CFEF #EF6389 #EFC963

monochromatic

#149BC4 #2BBEE9 #63CFEF #9BE0F5 #D2F1FA

Accessibility & contrast

On white

1.79

#63CFEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#63CFEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CFEF

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CFEF	#FFFFFF	#000000	##000000
##63CFEF	1.00	1.79	11.70	11.70
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCAF1

Deuteranopia (green-blind)

#A7BBEF

Tritanopia (blue-blind)

#00DAD9

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cfef;
/* rgb */ color: rgb(99, 207, 239);
/* oklch */ color: oklch(80.3% 0.108 220.1);

Tailwind

colors: {
  custom: {
    50: '#9bddf4',
    500: '#63cfef',
    950: '#000000',
  },
}

SCSS

$custom: #63cfef;
$custom-light: #9bddf4;
$custom-dark: #000000;

JSON

{
  "hex": "#63cfef",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 239
  },
  "hsl": {
    "h": 193.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.80304,
    "c": 0.10848,
    "h": 220.1
  },
  "luminance": 0.5351
}

Semantic roles & 50–950 ramp

primary

#63CFEF

secondary

#C15535

accent

#3908DE

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CFEF

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

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