#63B3C7#63B3C7

#63B3C7 is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.3% C 0.084 H 215.9°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#63B3C7
RGB	rgb(99, 179, 199)
HSL	hsl(192, 47%, 58%)
HSV	hsv(192, 50%, 78%)
CMYK	cmyk(50.3%, 10.1%, 0%, 22%)
CIE-LAB	lab(68.76, -19.08, -17.73)
CIE-LCH	lch(68.76, 26.04, 222.90°)
OKLab	oklab(72.32% -0.0677 -0.049)
OKLCH	oklch(72.32% 0.084 215.9)
XYZ	xyz(31.5705, 39.0137, 59.8885)
Luminance	0.3902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B3C7 #C77763

analogous

#63C7A9 #63B3C7 #6381C7

triadic

#63B3C7 #C763B3 #B3C763

tetradic

#63B3C7 #A963C7 #C77763 #81C763

square

#63B3C7 #A963C7 #C77763 #81C763

split-complementary

#63B3C7 #C76381 #C7A963

monochromatic

#2E7181 #3F98AE #63B3C7 #90C9D7 #BDDFE7

Accessibility & contrast

On white

2.39

#63B3C7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#63B3C7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B3C7

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B3C7	#FFFFFF	#000000	##000000
##63B3C7	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5AEC8

Deuteranopia (green-blind)

#96A3C7

Tritanopia (blue-blind)

#27BBB9

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63b3c7;
/* rgb */ color: rgb(99, 179, 199);
/* oklch */ color: oklch(72.3% 0.084 215.9);

Tailwind

colors: {
  custom: {
    50: '#96cad8',
    500: '#63b3c7',
    950: '#000000',
  },
}

SCSS

$custom: #63b3c7;
$custom-light: #96cad8;
$custom-dark: #000000;

JSON

{
  "hex": "#63b3c7",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 199
  },
  "hsl": {
    "h": 192,
    "s": 47.17,
    "l": 58.431
  },
  "oklch": {
    "l": 0.72322,
    "c": 0.08354,
    "h": 215.9
  },
  "luminance": 0.39016
}

Semantic roles & 50–950 ramp

primary

#63B3C7

secondary

#D7B7AF

accent

#6C51D7

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #63B3C7

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

Preview Lab → · Contrast checker → · Palette generator →