#421F8C#421F8C

#421F8C is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.166 H 290.1°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#421F8C
RGB	rgb(66, 31, 140)
HSL	hsl(259, 64%, 34%)
HSV	hsv(259, 78%, 55%)
CMYK	cmyk(52.9%, 77.9%, 0%, 45.1%)
CIE-LAB	lab(23.77, 42.72, -54.20)
CIE-LCH	lch(23.77, 69.01, 308.24°)
OKLab	oklab(36.21% 0.0572 -0.1558)
OKLCH	oklch(36.21% 0.166 290.1)
XYZ	xyz(7.4690, 4.0313, 25.1904)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F8C #698C1F

analogous

#1F328C #421F8C #781F8C

triadic

#421F8C #8C421F #1F8C42

tetradic

#421F8C #8C1F32 #698C1F #1F8C78

square

#421F8C #8C1F32 #698C1F #1F8C78

split-complementary

#421F8C #8C781F #328C1F

monochromatic

#130928 #2A145A #421F8C #5A2ABE #7A4ED8

Accessibility & contrast

On white

11.63

#421F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#421F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F8C

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F8C	#FFFFFF	#000000	##FFFFFF
##421F8C	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8F

Deuteranopia (green-blind)

#00368A

Tritanopia (blue-blind)

#273D54

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #421f8c;
/* rgb */ color: rgb(66, 31, 140);
/* oklch */ color: oklch(36.2% 0.166 290.1);

Tailwind

colors: {
  custom: {
    50: '#7f5faf',
    500: '#421f8c',
    950: '#000000',
  },
}

SCSS

$custom: #421f8c;
$custom-light: #7f5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#421f8c",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 140
  },
  "hsl": {
    "h": 259.266,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36211,
    "c": 0.16591,
    "h": 290.1
  },
  "luminance": 0.04032
}

Semantic roles & 50–950 ramp

primary

#421F8C

secondary

#97BB4C

accent

#E741B2

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #421F8C

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

Preview Lab → · Contrast checker → · Palette generator →