#643489#643489

#643489 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 42.8% C 0.140 H 307.6°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#643489
RGB	rgb(100, 52, 137)
HSL	hsl(274, 45%, 37%)
HSV	hsv(274, 62%, 54%)
CMYK	cmyk(27%, 62%, 0%, 46.3%)
CIE-LAB	lab(31.74, 37.86, -39.21)
CIE-LCH	lch(31.74, 54.51, 314.00°)
OKLab	oklab(42.78% 0.0851 -0.1106)
OKLCH	oklch(42.78% 0.14 307.6)
XYZ	xyz(10.9980, 6.9716, 24.4283)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643489 #598934

analogous

#393489 #643489 #893484

triadic

#643489 #896434 #348964

tetradic

#643489 #893934 #598934 #348489

square

#643489 #893934 #598934 #348489

split-complementary

#643489 #848934 #348939

monochromatic

#231230 #44235D #643489 #8445B5 #A16FC8

Accessibility & contrast

On white

8.77

#643489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#643489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643489

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643489	#FFFFFF	#000000	##FFFFFF
##643489	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)

#0E498C

Deuteranopia (green-blind)

#264B87

Tritanopia (blue-blind)

#5E4559

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643489;
/* rgb */ color: rgb(100, 52, 137);
/* oklch */ color: oklch(42.8% 0.140 307.6);

Tailwind

colors: {
  custom: {
    50: '#936eac',
    500: '#643489',
    950: '#000000',
  },
}

SCSS

$custom: #643489;
$custom-light: #936eac;
$custom-dark: #000000;

JSON

{
  "hex": "#643489",
  "rgb": {
    "r": 100,
    "g": 52,
    "b": 137
  },
  "hsl": {
    "h": 273.882,
    "s": 44.974,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4278,
    "c": 0.13956,
    "h": 307.6
  },
  "luminance": 0.06971
}

Semantic roles & 50–950 ramp

primary

#643489

secondary

#88B068

accent

#D5538C

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #643489

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

Preview Lab → · Contrast checker → · Palette generator →