#63B3C8#63B3C8

#63B3C8 is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.4% C 0.084 H 216.8°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#63B3C8
RGB	rgb(99, 179, 200)
HSL	hsl(192, 48%, 59%)
HSV	hsv(192, 51%, 78%)
CMYK	cmyk(50.5%, 10.5%, 0%, 21.6%)
CIE-LAB	lab(68.79, -18.80, -18.23)
CIE-LCH	lch(68.79, 26.18, 224.12°)
OKLab	oklab(72.36% -0.0673 -0.0504)
OKLCH	oklch(72.36% 0.084 216.8)
XYZ	xyz(31.6870, 39.0603, 60.5019)
Luminance	0.3906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B3C8 #C87863

analogous

#63C8AA #63B3C8 #6380C8

triadic

#63B3C8 #C863B3 #B3C863

tetradic

#63B3C8 #AA63C8 #C87863 #80C863

square

#63B3C8 #AA63C8 #C87863 #80C863

split-complementary

#63B3C8 #C86380 #C8AA63

monochromatic

#2E7183 #3E98B0 #63B3C8 #90C9D8 #BDDFE8

Accessibility & contrast

On white

2.38

#63B3C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#63B3C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B3C8

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B3C8	#FFFFFF	#000000	##000000
##63B3C8	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5AFC9

Deuteranopia (green-blind)

#95A3C8

Tritanopia (blue-blind)

#25BBB9

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63b3c8;
/* rgb */ color: rgb(99, 179, 200);
/* oklch */ color: oklch(72.4% 0.084 216.8);

Tailwind

colors: {
  custom: {
    50: '#96c9d8',
    500: '#63b3c8',
    950: '#000000',
  },
}

SCSS

$custom: #63b3c8;
$custom-light: #96c9d8;
$custom-dark: #000000;

JSON

{
  "hex": "#63b3c8",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 200
  },
  "hsl": {
    "h": 192.475,
    "s": 47.867,
    "l": 58.627
  },
  "oklch": {
    "l": 0.7236,
    "c": 0.08405,
    "h": 216.8
  },
  "luminance": 0.39063
}

Semantic roles & 50–950 ramp

primary

#63B3C8

secondary

#D7B8AF

accent

#6C50D7

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #63B3C8

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

Preview Lab → · Contrast checker → · Palette generator →