#421F8B#421F8B

#421F8B is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.165 H 290.4°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#421F8B
RGB	rgb(66, 31, 139)
HSL	hsl(259, 64%, 33%)
HSV	hsv(259, 78%, 55%)
CMYK	cmyk(52.5%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(23.68, 42.43, -53.74)
CIE-LCH	lch(23.68, 68.47, 308.30°)
OKLab	oklab(36.11% 0.0574 -0.1544)
OKLCH	oklch(36.11% 0.165 290.4)
XYZ	xyz(7.3956, 4.0020, 24.8039)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F8B #688B1F

analogous

#1F328B #421F8B #781F8B

triadic

#421F8B #8B421F #1F8B42

tetradic

#421F8B #8B1F32 #688B1F #1F8B78

square

#421F8B #8B1F32 #688B1F #1F8B78

split-complementary

#421F8B #8B781F #328B1F

monochromatic

#120927 #2A1459 #421F8B #5A2ABD #7A4DD7

Accessibility & contrast

On white

11.66

#421F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#421F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F8B

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F8B	#FFFFFF	#000000	##FFFFFF
##421F8B	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003689

Tritanopia (blue-blind)

#283D54

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421f8b;
/* rgb */ color: rgb(66, 31, 139);
/* oklch */ color: oklch(36.1% 0.165 290.4);

Tailwind

colors: {
  custom: {
    50: '#7f5fae',
    500: '#421f8b',
    950: '#000000',
  },
}

SCSS

$custom: #421f8b;
$custom-light: #7f5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#421f8b",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 259.444,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36114,
    "c": 0.16474,
    "h": 290.4
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#421F8B

secondary

#96BA4C

accent

#E741B1

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #421F8B

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

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