#63A3BB#63A3BB

#63A3BB is a light, moderate cyan. Relative luminance 0.324; OKLCH L 68.1% C 0.075 H 224.1°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#63A3BB
RGB	rgb(99, 163, 187)
HSL	hsl(196, 39%, 56%)
HSV	hsv(196, 47%, 73%)
CMYK	cmyk(47.1%, 12.8%, 0%, 26.7%)
CIE-LAB	lab(63.70, -14.00, -18.75)
CIE-LCH	lch(63.70, 23.40, 233.25°)
OKLab	oklab(68.15% -0.0535 -0.0518)
OKLCH	oklch(68.15% 0.075 224.1)
XYZ	xyz(27.2091, 32.4328, 51.8304)
Luminance	0.3244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3BB #BB7B63

analogous

#63BBA7 #63A3BB #6377BB

triadic

#63A3BB #BB63A3 #A3BB63

tetradic

#63A3BB #A763BB #BB7B63 #77BB63

square

#63A3BB #A763BB #BB7B63 #77BB63

split-complementary

#63A3BB #BB6377 #BBA763

monochromatic

#326072 #44849D #63A3BB #8EBCCE #B8D5E0

Accessibility & contrast

On white

2.80

#63A3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#63A3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3BB

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3BB	#FFFFFF	#000000	##000000
##63A3BB	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A0BC

Deuteranopia (green-blind)

#8896BB

Tritanopia (blue-blind)

#38AAAB

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #63a3bb;
/* rgb */ color: rgb(99, 163, 187);
/* oklch */ color: oklch(68.1% 0.075 224.1);

Tailwind

colors: {
  custom: {
    50: '#94becf',
    500: '#63a3bb',
    950: '#000000',
  },
}

SCSS

$custom: #63a3bb;
$custom-light: #94becf;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3bb",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 187
  },
  "hsl": {
    "h": 196.364,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.68146,
    "c": 0.07452,
    "h": 224.1
  },
  "luminance": 0.32435
}

Semantic roles & 50–950 ramp

primary

#63A3BB

secondary

#CFB5AB

accent

#7959CF

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1213

muted

#7E8182

Preview Lab

Preview with #63A3BB

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

Preview Lab → · Contrast checker → · Palette generator →