#63B3CA#63B3CA

#63B3CA is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.4% C 0.085 H 218.6°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#63B3CA
RGB	rgb(99, 179, 202)
HSL	hsl(193, 49%, 59%)
HSV	hsv(193, 51%, 79%)
CMYK	cmyk(51%, 11.4%, 0%, 20.8%)
CIE-LAB	lab(68.86, -18.23, -19.22)
CIE-LCH	lch(68.86, 26.50, 226.51°)
OKLab	oklab(72.44% -0.0665 -0.0532)
OKLCH	oklch(72.44% 0.085 218.6)
XYZ	xyz(31.9223, 39.1544, 61.7410)
Luminance	0.3916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B3CA #CA7A63

analogous

#63CAAE #63B3CA #6380CA

triadic

#63B3CA #CA63B3 #B3CA63

tetradic

#63B3CA #AE63CA #CA7A63 #80CA63

square

#63B3CA #AE63CA #CA7A63 #80CA63

split-complementary

#63B3CA #CA6380 #CAAE63

monochromatic

#2D7285 #3D99B3 #63B3CA #91C9DA #BEE0E9

Accessibility & contrast

On white

2.38

#63B3CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#63B3CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B3CA

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B3CA	#FFFFFF	#000000	##000000
##63B3CA	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AFCB

Deuteranopia (green-blind)

#95A3CA

Tritanopia (blue-blind)

#23BBBA

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63b3ca;
/* rgb */ color: rgb(99, 179, 202);
/* oklch */ color: oklch(72.4% 0.085 218.6);

Tailwind

colors: {
  custom: {
    50: '#96c9da',
    500: '#63b3ca',
    950: '#000000',
  },
}

SCSS

$custom: #63b3ca;
$custom-light: #96c9da;
$custom-dark: #000000;

JSON

{
  "hex": "#63b3ca",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 202
  },
  "hsl": {
    "h": 193.398,
    "s": 49.282,
    "l": 59.02
  },
  "oklch": {
    "l": 0.72437,
    "c": 0.08515,
    "h": 218.6
  },
  "luminance": 0.39157
}

Semantic roles & 50–950 ramp

primary

#63B3CA

secondary

#D9B9B0

accent

#6E4FD9

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #63B3CA

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

Preview Lab → · Contrast checker → · Palette generator →