#64397B#64397B

#64397B is a dark, moderate violet. Relative luminance 0.071; OKLCH L 42.7% C 0.114 H 312.6°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#64397B
RGB	rgb(100, 57, 123)
HSL	hsl(279, 37%, 35%)
HSV	hsv(279, 54%, 48%)
CMYK	cmyk(18.7%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(31.96, 31.62, -30.16)
CIE-LCH	lch(31.96, 43.70, 316.35°)
OKLab	oklab(42.66% 0.0774 -0.0842)
OKLCH	oklch(42.66% 0.114 312.6)
XYZ	xyz(10.2932, 7.0659, 19.5567)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64397B #507B39

analogous

#43397B #64397B #7B3971

triadic

#64397B #7B6439 #397B64

tetradic

#64397B #7B4339 #507B39 #39717B

square

#64397B #7B4339 #507B39 #39717B

split-complementary

#64397B #717B39 #397B43

monochromatic

#201227 #422651 #64397B #864CA5 #A371BD

Accessibility & contrast

On white

8.70

#64397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#64397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64397B

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64397B	#FFFFFF	#000000	##FFFFFF
##64397B	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29497D

Deuteranopia (green-blind)

#364C79

Tritanopia (blue-blind)

#624454

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #64397b;
/* rgb */ color: rgb(100, 57, 123);
/* oklch */ color: oklch(42.7% 0.114 312.6);

Tailwind

colors: {
  custom: {
    50: '#9271a1',
    500: '#64397b',
    950: '#000000',
  },
}

SCSS

$custom: #64397b;
$custom-light: #9271a1;
$custom-dark: #000000;

JSON

{
  "hex": "#64397b",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 279.091,
    "s": 36.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42661,
    "c": 0.11436,
    "h": 312.6
  },
  "luminance": 0.07066
}

Semantic roles & 50–950 ramp

primary

#64397B

secondary

#7FA669

accent

#CD5B83

background

#F9F6F9

surface

#F1ECF2

border

#CBC7CC

text

#0D080F

muted

#7E7B7E

Preview Lab

Preview with #64397B

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

Preview Lab → · Contrast checker → · Palette generator →