#401F9F#401F9F

#401F9F is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.188 H 284.8°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#401F9F
RGB	rgb(64, 31, 159)
HSL	hsl(255, 67%, 37%)
HSV	hsv(255, 81%, 62%)
CMYK	cmyk(59.7%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(25.48, 47.92, -63.11)
CIE-LCH	lch(25.48, 79.24, 307.21°)
OKLab	oklab(37.93% 0.0482 -0.1819)
OKLCH	oklch(37.93% 0.188 284.8)
XYZ	xyz(8.8604, 4.5726, 33.2099)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401F9F #7E9F1F

analogous

#1F3E9F #401F9F #801F9F

triadic

#401F9F #9F401F #1F9F40

tetradic

#401F9F #9F1F3E #7E9F1F #1F9F80

square

#401F9F #9F1F3E #7E9F1F #1F9F80

split-complementary

#401F9F #9F801F #3E9F1F

monochromatic

#170B39 #2B156C #401F9F #5529D2 #7C5ADF

Accessibility & contrast

On white

10.97

#401F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#401F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401F9F

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401F9F	#FFFFFF	#000000	##FFFFFF
##401F9F	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A3

Deuteranopia (green-blind)

#00389D

Tritanopia (blue-blind)

#04455F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #401f9f;
/* rgb */ color: rgb(64, 31, 159);
/* oklch */ color: oklch(37.9% 0.188 284.8);

Tailwind

colors: {
  custom: {
    50: '#8160bd',
    500: '#401f9f',
    950: '#000000',
  },
}

SCSS

$custom: #401f9f;
$custom-light: #8160bd;
$custom-dark: #000000;

JSON

{
  "hex": "#401f9f",
  "rgb": {
    "r": 64,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 255.469,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37928,
    "c": 0.18814,
    "h": 284.8
  },
  "luminance": 0.04573
}

Semantic roles & 50–950 ramp

primary

#401F9F

secondary

#A7C357

accent

#EA3EBE

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #401F9F

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

Preview Lab → · Contrast checker → · Palette generator →