#64387B#64387B

#64387B is a dark, moderate violet. Relative luminance 0.070; OKLCH L 42.5% C 0.116 H 312.8°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#64387B
RGB	rgb(100, 56, 123)
HSL	hsl(279, 37%, 35%)
HSV	hsv(279, 54%, 48%)
CMYK	cmyk(18.7%, 54.5%, 0%, 51.8%)
CIE-LAB	lab(31.73, 32.20, -30.51)
CIE-LCH	lch(31.73, 44.36, 316.54°)
OKLab	oklab(42.5% 0.0789 -0.0852)
OKLCH	oklch(42.5% 0.116 312.8)
XYZ	xyz(10.2442, 6.9680, 19.5404)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64387B #4F7B38

analogous

#43387B #64387B #7B3870

triadic

#64387B #7B6438 #387B64

tetradic

#64387B #7B4338 #4F7B38 #38707B

square

#64387B #7B4338 #4F7B38 #38707B

split-complementary

#64387B #707B38 #387B43

monochromatic

#201227 #422551 #64387B #864BA5 #A370BE

Accessibility & contrast

On white

8.77

#64387B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#64387B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64387B

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64387B	#FFFFFF	#000000	##FFFFFF
##64387B	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27487D

Deuteranopia (green-blind)

#354C79

Tritanopia (blue-blind)

#624354

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #64387b;
/* rgb */ color: rgb(100, 56, 123);
/* oklch */ color: oklch(42.5% 0.116 312.8);

Tailwind

colors: {
  custom: {
    50: '#9270a1',
    500: '#64387b',
    950: '#000000',
  },
}

SCSS

$custom: #64387b;
$custom-light: #9270a1;
$custom-dark: #000000;

JSON

{
  "hex": "#64387b",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 123
  },
  "hsl": {
    "h": 279.403,
    "s": 37.43,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42497,
    "c": 0.11612,
    "h": 312.8
  },
  "luminance": 0.06968
}

Semantic roles & 50–950 ramp

primary

#64387B

secondary

#7EA768

accent

#CD5A82

background

#F9F6FA

surface

#F1ECF3

border

#CBC7CD

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #64387B

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

Preview Lab → · Contrast checker → · Palette generator →