#63B4C8#63B4C8

#63B4C8 is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.6% C 0.084 H 215.7°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#63B4C8
RGB	rgb(99, 180, 200)
HSL	hsl(192, 48%, 59%)
HSV	hsv(192, 51%, 78%)
CMYK	cmyk(50.5%, 10%, 0%, 21.6%)
CIE-LAB	lab(69.08, -19.32, -17.79)
CIE-LCH	lch(69.08, 26.26, 222.64°)
OKLab	oklab(72.59% -0.0684 -0.0492)
OKLCH	oklch(72.59% 0.084 215.7)
XYZ	xyz(31.8882, 39.4626, 60.5690)
Luminance	0.3947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4C8 #C87763

analogous

#63C8A9 #63B4C8 #6381C8

triadic

#63B4C8 #C863B4 #B4C863

tetradic

#63B4C8 #A963C8 #C87763 #81C863

square

#63B4C8 #A963C8 #C87763 #81C863

split-complementary

#63B4C8 #C86381 #C8A963

monochromatic

#2E7283 #3E99B0 #63B4C8 #90CAD8 #BDE0E8

Accessibility & contrast

On white

2.36

#63B4C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#63B4C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4C8

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4C8	#FFFFFF	#000000	##000000
##63B4C8	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6AFC9

Deuteranopia (green-blind)

#96A4C8

Tritanopia (blue-blind)

#25BCBA

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63b4c8;
/* rgb */ color: rgb(99, 180, 200);
/* oklch */ color: oklch(72.6% 0.084 215.7);

Tailwind

colors: {
  custom: {
    50: '#96cad8',
    500: '#63b4c8',
    950: '#000000',
  },
}

SCSS

$custom: #63b4c8;
$custom-light: #96cad8;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4c8",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 200
  },
  "hsl": {
    "h": 191.881,
    "s": 47.867,
    "l": 58.627
  },
  "oklch": {
    "l": 0.72592,
    "c": 0.08426,
    "h": 215.7
  },
  "luminance": 0.39465
}

Semantic roles & 50–950 ramp

primary

#63B4C8

secondary

#D7B7AF

accent

#6B50D7

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #63B4C8

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

Preview Lab → · Contrast checker → · Palette generator →