#421B77#421B77

#421B77 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.146 H 297.1°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#421B77
RGB	rgb(66, 27, 119)
HSL	hsl(265, 63%, 29%)
HSV	hsv(265, 77%, 47%)
CMYK	cmyk(44.5%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(21.11, 38.77, -45.31)
CIE-LCH	lch(21.11, 59.63, 310.56°)
OKLab	oklab(33.73% 0.0665 -0.1296)
OKLCH	oklch(33.73% 0.146 297.1)
XYZ	xyz(5.9676, 3.2739, 17.7667)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.13

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B77 #50771B

analogous

#1B2277 #421B77 #701B77

triadic

#421B77 #77421B #1B7742

tetradic

#421B77 #771B22 #50771B #1B7770

square

#421B77 #771B22 #50771B #1B7770

split-complementary

#421B77 #77701B #22771B

monochromatic

#0E0619 #261045 #421B77 #5E26A9 #7B3AD2

Accessibility & contrast

On white

12.69

#421B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#421B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B77

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B77	#FFFFFF	#000000	##FFFFFF
##421B77	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337A

Deuteranopia (green-blind)

#003275

Tritanopia (blue-blind)

#343347

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #421b77;
/* rgb */ color: rgb(66, 27, 119);
/* oklch */ color: oklch(33.7% 0.146 297.1);

Tailwind

colors: {
  custom: {
    50: '#7c5c9f',
    500: '#421b77',
    950: '#000000',
  },
}

SCSS

$custom: #421b77;
$custom-light: #7c5c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#421b77",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 265.435,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33733,
    "c": 0.14569,
    "h": 297.1
  },
  "luminance": 0.03274
}

Semantic roles & 50–950 ramp

primary

#421B77

secondary

#7FAB42

accent

#E642A0

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #421B77

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

Preview Lab → · Contrast checker → · Palette generator →