#64397D#64397D

#64397D is a dark, moderate violet. Relative luminance 0.071; OKLCH L 42.8% C 0.117 H 311.6°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#64397D
RGB	rgb(100, 57, 125)
HSL	hsl(278, 37%, 36%)
HSV	hsv(278, 54%, 49%)
CMYK	cmyk(20%, 54.4%, 0%, 51%)
CIE-LAB	lab(32.07, 32.10, -31.23)
CIE-LCH	lch(32.07, 44.78, 315.79°)
OKLab	oklab(42.78% 0.0776 -0.0873)
OKLCH	oklch(42.78% 0.117 311.6)
XYZ	xyz(10.4197, 7.1165, 20.2228)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64397D #527D39

analogous

#42397D #64397D #7D3974

triadic

#64397D #7D6439 #397D64

tetradic

#64397D #7D4239 #527D39 #39747D

square

#64397D #7D4239 #527D39 #39747D

split-complementary

#64397D #747D39 #397D42

monochromatic

#211329 #422653 #64397D #864CA7 #A272BF

Accessibility & contrast

On white

8.67

#64397D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#64397D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64397D

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64397D	#FFFFFF	#000000	##FFFFFF
##64397D	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27497F

Deuteranopia (green-blind)

#354C7B

Tritanopia (blue-blind)

#614455

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #64397d;
/* rgb */ color: rgb(100, 57, 125);
/* oklch */ color: oklch(42.8% 0.117 311.6);

Tailwind

colors: {
  custom: {
    50: '#9271a3',
    500: '#64397d',
    950: '#000000',
  },
}

SCSS

$custom: #64397d;
$custom-light: #9271a3;
$custom-dark: #000000;

JSON

{
  "hex": "#64397d",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 125
  },
  "hsl": {
    "h": 277.941,
    "s": 37.363,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42783,
    "c": 0.11681,
    "h": 311.6
  },
  "luminance": 0.07116
}

Semantic roles & 50–950 ramp

primary

#64397D

secondary

#81A86A

accent

#CD5A85

background

#F9F6FA

surface

#F1ECF4

border

#CBC7CE

text

#0D080F

muted

#7E7B7F

Preview Lab

Preview with #64397D

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

Preview Lab → · Contrast checker → · Palette generator →