#642F9D#642F9D

#642F9D is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.6% C 0.170 H 301.7°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#642F9D
RGB	rgb(100, 47, 157)
HSL	hsl(269, 54%, 40%)
HSV	hsv(269, 70%, 62%)
CMYK	cmyk(36.3%, 70.1%, 0%, 38.4%)
CIE-LAB	lab(32.21, 45.51, -50.72)
CIE-LCH	lch(32.21, 68.14, 311.90°)
OKLab	oklab(43.57% 0.0893 -0.1444)
OKLCH	oklch(43.57% 0.17 301.7)
XYZ	xyz(12.3564, 7.1766, 32.6260)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F9D #689D2F

analogous

#2F319D #642F9D #9B2F9D

triadic

#642F9D #9D642F #2F9D64

tetradic

#642F9D #9D2F31 #689D2F #2F9D9B

square

#642F9D #9D2F31 #689D2F #2F9D9B

split-complementary

#642F9D #9D9B2F #319D2F

monochromatic

#28133F #46216E #642F9D #8243C7 #A172D5

Accessibility & contrast

On white

8.62

#642F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#642F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F9D

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F9D	#FFFFFF	#000000	##FFFFFF
##642F9D	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#004B9B

Tritanopia (blue-blind)

#584962

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642f9d;
/* rgb */ color: rgb(100, 47, 157);
/* oklch */ color: oklch(43.6% 0.170 301.7);

Tailwind

colors: {
  custom: {
    50: '#956cbb',
    500: '#642f9d',
    950: '#000000',
  },
}

SCSS

$custom: #642f9d;
$custom-light: #956cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#642f9d",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 157
  },
  "hsl": {
    "h": 268.909,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.43565,
    "c": 0.16982,
    "h": 301.7
  },
  "luminance": 0.07177
}

Semantic roles & 50–950 ramp

primary

#642F9D

secondary

#95BC6B

accent

#DD4B97

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642F9D

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

Preview Lab → · Contrast checker → · Palette generator →