#642A7C#642A7C

#642A7C is a dark, vivid purple. Relative luminance 0.058; OKLCH L 40.5% C 0.140 H 314.6°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#642A7C
RGB	rgb(100, 42, 124)
HSL	hsl(282, 49%, 33%)
HSV	hsv(282, 66%, 49%)
CMYK	cmyk(19.4%, 66.1%, 0%, 51.4%)
CIE-LAB	lab(28.96, 40.05, -35.56)
CIE-LCH	lch(28.96, 53.56, 318.40°)
OKLab	oklab(40.49% 0.0984 -0.0999)
OKLCH	oklch(40.49% 0.14 314.6)
XYZ	xyz(9.7210, 5.8208, 19.6763)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A7C #427C2A

analogous

#3B2A7C #642A7C #7C2A6B

triadic

#642A7C #7C642A #2A7C64

tetradic

#642A7C #7C3B2A #427C2A #2A6B7C

square

#642A7C #7C3B2A #427C2A #2A6B7C

split-complementary

#642A7C #6B7C2A #2A7C3B

monochromatic

#1A0B21 #3F1B4E #642A7C #8939AA #A759C7

Accessibility & contrast

On white

9.70

#642A7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#642A7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A7C

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A7C	#FFFFFF	#000000	##FFFFFF
##642A7C	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08417E

Deuteranopia (green-blind)

#28467A

Tritanopia (blue-blind)

#62394F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #642a7c;
/* rgb */ color: rgb(100, 42, 124);
/* oklch */ color: oklch(40.5% 0.140 314.6);

Tailwind

colors: {
  custom: {
    50: '#9368a2',
    500: '#642a7c',
    950: '#000000',
  },
}

SCSS

$custom: #642a7c;
$custom-light: #9368a2;
$custom-dark: #000000;

JSON

{
  "hex": "#642a7c",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 124
  },
  "hsl": {
    "h": 282.439,
    "s": 49.398,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40487,
    "c": 0.14022,
    "h": 314.6
  },
  "luminance": 0.0582
}

Semantic roles & 50–950 ramp

primary

#642A7C

secondary

#6FAD55

accent

#D94F77

background

#F9F6FA

surface

#F2EBF3

border

#CCC6CD

text

#0D060F

muted

#7E7A7F

Preview Lab

Preview with #642A7C

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

Preview Lab → · Contrast checker → · Palette generator →