#63CFEE#63CFEE

#63CFEE is a light, moderate cyan. Relative luminance 0.535; OKLCH L 80.3% C 0.108 H 219.4°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#63CFEE
RGB	rgb(99, 207, 238)
HSL	hsl(193, 80%, 66%)
HSV	hsv(193, 58%, 93%)
CMYK	cmyk(58.4%, 13%, 0%, 6.7%)
CIE-LAB	lab(78.14, -22.27, -24.64)
CIE-LCH	lch(78.14, 33.22, 227.89°)
OKLab	oklab(80.27% -0.0834 -0.0685)
OKLCH	oklch(80.27% 0.108 219.4)
XYZ	xyz(42.8849, 53.4471, 88.9286)
Luminance	0.5345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CFEE #EE8263

analogous

#63EEC7 #63CFEE #6389EE

triadic

#63CFEE #EE63CF #CFEE63

tetradic

#63CFEE #C763EE #EE8263 #89EE63

square

#63CFEE #C763EE #EE8263 #89EE63

split-complementary

#63CFEE #EE6389 #EEC763

monochromatic

#159BC2 #2CBEE8 #63CFEE #9AE0F4 #D1F1FA

Accessibility & contrast

On white

1.80

#63CFEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.69

#63CFEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CFEE

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CFEE	#FFFFFF	#000000	##000000
##63CFEE	1.00	1.80	11.69	11.69
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.69	21.00	1.00	1.00
##000000	11.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCAF0

Deuteranopia (green-blind)

#A7BBEE

Tritanopia (blue-blind)

#00D9D9

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cfee;
/* rgb */ color: rgb(99, 207, 238);
/* oklch */ color: oklch(80.3% 0.108 219.4);

Tailwind

colors: {
  custom: {
    50: '#9bddf3',
    500: '#63cfee',
    950: '#000000',
  },
}

SCSS

$custom: #63cfee;
$custom-light: #9bddf3;
$custom-dark: #000000;

JSON

{
  "hex": "#63cfee",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 238
  },
  "hsl": {
    "h": 193.381,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.80265,
    "c": 0.1079,
    "h": 219.4
  },
  "luminance": 0.53451
}

Semantic roles & 50–950 ramp

primary

#63CFEE

secondary

#C05436

accent

#3809DD

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CFEE

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

Preview Lab → · Contrast checker → · Palette generator →