#421B5D#421B5D

#421B5D is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.5% C 0.115 H 308.3°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#421B5D
RGB	rgb(66, 27, 93)
HSL	hsl(275, 55%, 24%)
HSV	hsv(275, 71%, 36%)
CMYK	cmyk(29%, 71%, 0%, 63.5%)
CIE-LAB	lab(18.94, 31.80, -31.88)
CIE-LCH	lch(18.94, 45.02, 314.93°)
OKLab	oklab(31.51% 0.0712 -0.0902)
OKLCH	oklch(31.51% 0.115 308.3)
XYZ	xyz(4.6141, 2.7325, 10.6382)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B5D #365D1B

analogous

#211B5D #421B5D #5D1B57

triadic

#421B5D #5D421B #1B5D42

tetradic

#421B5D #5D211B #365D1B #1B575D

square

#421B5D #5D211B #365D1B #1B575D

split-complementary

#421B5D #575D1B #1B5D21

monochromatic

#110718 #200D2E #421B5D #64298C #8537BC

Accessibility & contrast

On white

13.58

#421B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#421B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B5D

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B5D	#FFFFFF	#000000	##FFFFFF
##421B5D	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5F

Deuteranopia (green-blind)

#0E2E5C

Tritanopia (blue-blind)

#3E2939

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #421b5d;
/* rgb */ color: rgb(66, 27, 93);
/* oklch */ color: oklch(31.5% 0.115 308.3);

Tailwind

colors: {
  custom: {
    50: '#795a8b',
    500: '#421b5d',
    950: '#000000',
  },
}

SCSS

$custom: #421b5d;
$custom-light: #795a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#421b5d",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 93
  },
  "hsl": {
    "h": 275.455,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.31509,
    "c": 0.1149,
    "h": 308.3
  },
  "luminance": 0.02732
}

Semantic roles & 50–950 ramp

primary

#421B5D

secondary

#629341

accent

#DE4986

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #421B5D

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

Preview Lab → · Contrast checker → · Palette generator →