#421F8E#421F8E

#421F8E is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.168 H 289.6°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#421F8E
RGB	rgb(66, 31, 142)
HSL	hsl(259, 64%, 34%)
HSV	hsv(259, 78%, 56%)
CMYK	cmyk(53.5%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(23.97, 43.29, -55.13)
CIE-LCH	lch(23.97, 70.09, 308.14°)
OKLab	oklab(36.41% 0.0566 -0.1585)
OKLCH	oklch(36.41% 0.168 289.6)
XYZ	xyz(7.6178, 4.0909, 25.9742)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F8E #6B8E1F

analogous

#1F348E #421F8E #7A1F8E

triadic

#421F8E #8E421F #1F8E42

tetradic

#421F8E #8E1F34 #6B8E1F #1F8E7A

square

#421F8E #8E1F34 #6B8E1F #1F8E7A

split-complementary

#421F8E #8E7A1F #348E1F

monochromatic

#13092A #2B145C #421F8E #592AC0 #7A4FD9

Accessibility & contrast

On white

11.55

#421F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#421F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F8E

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F8E	#FFFFFF	#000000	##FFFFFF
##421F8E	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00368C

Tritanopia (blue-blind)

#263E55

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #421f8e;
/* rgb */ color: rgb(66, 31, 142);
/* oklch */ color: oklch(36.4% 0.168 289.6);

Tailwind

colors: {
  custom: {
    50: '#7f5fb0',
    500: '#421f8e',
    950: '#000000',
  },
}

SCSS

$custom: #421f8e;
$custom-light: #7f5fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#421f8e",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 258.919,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36407,
    "c": 0.16826,
    "h": 289.6
  },
  "luminance": 0.04091
}

Semantic roles & 50–950 ramp

primary

#421F8E

secondary

#99BB4D

accent

#E741B3

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #421F8E

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

Preview Lab → · Contrast checker → · Palette generator →