#63388F#63388F

#63388F is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.7% C 0.140 H 303.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#63388F
RGB	rgb(99, 56, 143)
HSL	hsl(270, 44%, 39%)
HSV	hsv(270, 61%, 56%)
CMYK	cmyk(30.8%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(32.84, 36.90, -41.15)
CIE-LCH	lch(32.84, 55.27, 311.88°)
OKLab	oklab(43.68% 0.0783 -0.1164)
OKLCH	oklch(43.68% 0.14 303.9)
XYZ	xyz(11.5166, 7.4642, 26.8153)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63388F #648F38

analogous

#38398F #63388F #8F388F

triadic

#63388F #8F6338 #388F63

tetradic

#63388F #8F3839 #648F38 #388F8F

square

#63388F #8F3839 #648F38 #388F8F

split-complementary

#63388F #8F8F38 #398F38

monochromatic

#261637 #452763 #63388F #814BB9 #A077CA

Accessibility & contrast

On white

8.42

#63388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#63388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63388F

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63388F	#FFFFFF	#000000	##FFFFFF
##63388F	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4C92

Deuteranopia (green-blind)

#244D8D

Tritanopia (blue-blind)

#5B4A5E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #63388f;
/* rgb */ color: rgb(99, 56, 143);
/* oklch */ color: oklch(43.7% 0.140 303.9);

Tailwind

colors: {
  custom: {
    50: '#9271b0',
    500: '#63388f',
    950: '#000000',
  },
}

SCSS

$custom: #63388f;
$custom-light: #9271b0;
$custom-dark: #000000;

JSON

{
  "hex": "#63388f",
  "rgb": {
    "r": 99,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 269.655,
    "s": 43.719,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43679,
    "c": 0.14028,
    "h": 303.9
  },
  "luminance": 0.07464
}

Semantic roles & 50–950 ramp

primary

#63388F

secondary

#92B370

accent

#D35495

background

#F9F6FA

surface

#F2ECF5

border

#CCC7CF

text

#0D0810

muted

#7E7B7F

Preview Lab

Preview with #63388F

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

Preview Lab → · Contrast checker → · Palette generator →