#421B90#421B90

#421B90 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.174 H 289.7°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#421B90
RGB	rgb(66, 27, 144)
HSL	hsl(260, 68%, 34%)
HSV	hsv(260, 81%, 56%)
CMYK	cmyk(54.2%, 81.3%, 0%, 43.5%)
CIE-LAB	lab(23.52, 45.72, -57.10)
CIE-LCH	lch(23.52, 73.15, 308.68°)
OKLab	oklab(36.16% 0.0589 -0.1642)
OKLCH	oklch(36.16% 0.174 289.7)
XYZ	xyz(7.6713, 3.9554, 26.7394)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B90 #69901B

analogous

#1B2E90 #421B90 #7C1B90

triadic

#421B90 #90421B #1B9042

tetradic

#421B90 #901B2E #69901B #1B907C

square

#421B90 #901B2E #69901B #1B907C

split-complementary

#421B90 #907C1B #2E901B

monochromatic

#130829 #2A115C #421B90 #5A25C4 #7A49DD

Accessibility & contrast

On white

11.72

#421B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#421B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B90

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B90	#FFFFFF	#000000	##FFFFFF
##421B90	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A93

Deuteranopia (green-blind)

#00358E

Tritanopia (blue-blind)

#243D56

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421b90;
/* rgb */ color: rgb(66, 27, 144);
/* oklch */ color: oklch(36.2% 0.174 289.7);

Tailwind

colors: {
  custom: {
    50: '#805db2',
    500: '#421b90',
    950: '#000000',
  },
}

SCSS

$custom: #421b90;
$custom-light: #805db2;
$custom-dark: #000000;

JSON

{
  "hex": "#421b90",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 144
  },
  "hsl": {
    "h": 260,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36156,
    "c": 0.17446,
    "h": 289.7
  },
  "luminance": 0.03956
}

Semantic roles & 50–950 ramp

primary

#421B90

secondary

#97BF48

accent

#EB3DB1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #421B90

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

Preview Lab → · Contrast checker → · Palette generator →