#421B4E#421B4E

#421B4E is a dark, moderate purple. Relative luminance 0.025; OKLCH L 30.4% C 0.097 H 317.5°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#421B4E
RGB	rgb(66, 27, 78)
HSL	hsl(286, 49%, 21%)
HSV	hsv(286, 65%, 31%)
CMYK	cmyk(15.4%, 65.4%, 0%, 69.4%)
CIE-LAB	lab(17.88, 28.07, -23.48)
CIE-LCH	lch(17.88, 36.59, 320.09°)
OKLab	oklab(30.41% 0.0717 -0.0656)
OKLCH	oklch(30.41% 0.097 317.5)
XYZ	xyz(4.0137, 2.4923, 7.4759)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B4E #274E1B

analogous

#281B4E #421B4E #4E1B40

triadic

#421B4E #4E421B #1B4E42

tetradic

#421B4E #4E281B #274E1B #1B404E

square

#421B4E #4E281B #274E1B #1B404E

split-complementary

#421B4E #404E1B #1B4E28

monochromatic

#130817 #1C0B21 #421B4E #682B7B #8F3AA9

Accessibility & contrast

On white

14.01

#421B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#421B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B4E

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B4E	#FFFFFF	#000000	##FFFFFF
##421B4E	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2950

Deuteranopia (green-blind)

#1D2D4D

Tritanopia (blue-blind)

#422331

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #421b4e;
/* rgb */ color: rgb(66, 27, 78);
/* oklch */ color: oklch(30.4% 0.097 317.5);

Tailwind

colors: {
  custom: {
    50: '#785a80',
    500: '#421b4e',
    950: '#000000',
  },
}

SCSS

$custom: #421b4e;
$custom-light: #785a80;
$custom-dark: #000000;

JSON

{
  "hex": "#421b4e",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 78
  },
  "hsl": {
    "h": 285.882,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30407,
    "c": 0.09714,
    "h": 317.5
  },
  "luminance": 0.02492
}

Semantic roles & 50–950 ramp

primary

#421B4E

secondary

#518441

accent

#D85070

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#09040A

muted

#7B797C

Preview Lab

Preview with #421B4E

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

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