#642AA3#642AA3

#642AA3 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.4% C 0.183 H 300.7°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#642AA3
RGB	rgb(100, 42, 163)
HSL	hsl(269, 59%, 40%)
HSV	hsv(269, 74%, 64%)
CMYK	cmyk(38.7%, 74.2%, 0%, 36.1%)
CIE-LAB	lab(31.83, 49.41, -54.97)
CIE-LCH	lch(31.83, 73.91, 311.95°)
OKLab	oklab(43.45% 0.0933 -0.1569)
OKLCH	oklch(43.45% 0.183 300.7)
XYZ	xyz(12.6927, 7.0095, 35.3275)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642AA3 #69A32A

analogous

#2A2DA3 #642AA3 #A02AA3

triadic

#642AA3 #A3642A #2AA364

tetradic

#642AA3 #A32A2D #69A32A #2AA3A0

square

#642AA3 #A32A2D #69A32A #2AA3A0

split-complementary

#642AA3 #A3A02A #2DA32A

monochromatic

#281142 #461D72 #642AA3 #823DCD #A16EDA

Accessibility & contrast

On white

8.74

#642AA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#642AA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642AA3

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642AA3	#FFFFFF	#000000	##FFFFFF
##642AA3	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA6

Deuteranopia (green-blind)

#004AA1

Tritanopia (blue-blind)

#564864

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642aa3;
/* rgb */ color: rgb(100, 42, 163);
/* oklch */ color: oklch(43.4% 0.183 300.7);

Tailwind

colors: {
  custom: {
    50: '#9669bf',
    500: '#642aa3',
    950: '#000000',
  },
}

SCSS

$custom: #642aa3;
$custom-light: #9669bf;
$custom-dark: #000000;

JSON

{
  "hex": "#642aa3",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 163
  },
  "hsl": {
    "h": 268.76,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.43446,
    "c": 0.18253,
    "h": 300.7
  },
  "luminance": 0.0701
}

Semantic roles & 50–950 ramp

primary

#642AA3

secondary

#96C068

accent

#E24697

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642AA3

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

Preview Lab → · Contrast checker → · Palette generator →