#642AA5#642AA5

#642AA5 is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.6% C 0.185 H 300.2°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#642AA5
RGB	rgb(100, 42, 165)
HSL	hsl(268, 59%, 41%)
HSV	hsv(268, 75%, 65%)
CMYK	cmyk(39.4%, 74.5%, 0%, 35.3%)
CIE-LAB	lab(31.99, 49.91, -55.91)
CIE-LCH	lch(31.99, 74.95, 311.76°)
OKLab	oklab(43.61% 0.0929 -0.1596)
OKLCH	oklch(43.61% 0.185 300.2)
XYZ	xyz(12.8733, 7.0817, 36.2787)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642AA5 #6BA52A

analogous

#2A2DA5 #642AA5 #A12AA5

triadic

#642AA5 #A5642A #2AA564

tetradic

#642AA5 #A52A2D #6BA52A #2AA5A1

square

#642AA5 #A52A2D #6BA52A #2AA5A1

split-complementary

#642AA5 #A5A12A #2DA52A

monochromatic

#291143 #461E74 #642AA5 #823ECE #A26FDA

Accessibility & contrast

On white

8.69

#642AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#642AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642AA5

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642AA5	#FFFFFF	#000000	##FFFFFF
##642AA5	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA9

Deuteranopia (green-blind)

#004AA3

Tritanopia (blue-blind)

#554965

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642aa5;
/* rgb */ color: rgb(100, 42, 165);
/* oklch */ color: oklch(43.6% 0.185 300.2);

Tailwind

colors: {
  custom: {
    50: '#9669c1',
    500: '#642aa5',
    950: '#000000',
  },
}

SCSS

$custom: #642aa5;
$custom-light: #9669c1;
$custom-dark: #000000;

JSON

{
  "hex": "#642aa5",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 165
  },
  "hsl": {
    "h": 268.293,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43612,
    "c": 0.18468,
    "h": 300.2
  },
  "luminance": 0.07082
}

Semantic roles & 50–950 ramp

primary

#642AA5

secondary

#98C169

accent

#E34598

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642AA5

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

Preview Lab → · Contrast checker → · Palette generator →