#421B9F#421B9F

#421B9F is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.7% C 0.191 H 286.3°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#421B9F
RGB	rgb(66, 27, 159)
HSL	hsl(258, 71%, 36%)
HSV	hsv(258, 83%, 62%)
CMYK	cmyk(58.5%, 83%, 0%, 37.6%)
CIE-LAB	lab(25.09, 49.89, -63.75)
CIE-LCH	lch(25.09, 80.95, 308.05°)
OKLab	oklab(37.71% 0.0537 -0.1836)
OKLCH	oklch(37.71% 0.191 286.3)
XYZ	xyz(8.8948, 4.4448, 33.1834)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B9F #789F1B

analogous

#1B369F #421B9F #841B9F

triadic

#421B9F #9F421B #1B9F42

tetradic

#421B9F #9F1B36 #789F1B #1B9F84

square

#421B9F #9F1B36 #789F1B #1B9F84

split-complementary

#421B9F #9F841B #369F1B

monochromatic

#170936 #2C126B #421B9F #5824D3 #7D53E2

Accessibility & contrast

On white

11.12

#421B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#421B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B9F

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B9F	#FFFFFF	#000000	##FFFFFF
##421B9F	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA3

Deuteranopia (green-blind)

#00389D

Tritanopia (blue-blind)

#11445F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #421b9f;
/* rgb */ color: rgb(66, 27, 159);
/* oklch */ color: oklch(37.7% 0.191 286.3);

Tailwind

colors: {
  custom: {
    50: '#825ebd',
    500: '#421b9f',
    950: '#000000',
  },
}

SCSS

$custom: #421b9f;
$custom-light: #825ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#421b9f",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 257.727,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37708,
    "c": 0.19131,
    "h": 286.3
  },
  "luminance": 0.04445
}

Semantic roles & 50–950 ramp

primary

#421B9F

secondary

#A2C551

accent

#EE3AB9

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421B9F

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

Preview Lab → · Contrast checker → · Palette generator →