#401F99#401F99

#401F99 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.181 H 286.0°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#401F99
RGB	rgb(64, 31, 153)
HSL	hsl(256, 66%, 36%)
HSV	hsv(256, 80%, 60%)
CMYK	cmyk(58.2%, 79.7%, 0%, 40%)
CIE-LAB	lab(24.86, 46.19, -60.47)
CIE-LCH	lch(24.86, 76.09, 307.37°)
OKLab	oklab(37.31% 0.0501 -0.1741)
OKLCH	oklch(37.31% 0.181 286)
XYZ	xyz(8.3524, 4.3694, 30.5341)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401F99 #78991F

analogous

#1F3B99 #401F99 #7D1F99

triadic

#401F99 #99401F #1F9940

tetradic

#401F99 #991F3B #78991F #1F997D

square

#401F99 #991F3B #78991F #1F997D

split-complementary

#401F99 #997D1F #3B991F

monochromatic

#150A33 #2B1566 #401F99 #5529CC #7A56DD

Accessibility & contrast

On white

11.21

#401F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#401F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401F99

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401F99	#FFFFFF	#000000	##FFFFFF
##401F99	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9C

Deuteranopia (green-blind)

#003797

Tritanopia (blue-blind)

#13435C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #401f99;
/* rgb */ color: rgb(64, 31, 153);
/* oklch */ color: oklch(37.3% 0.181 286.0);

Tailwind

colors: {
  custom: {
    50: '#805fb8',
    500: '#401f99',
    950: '#000000',
  },
}

SCSS

$custom: #401f99;
$custom-light: #805fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#401f99",
  "rgb": {
    "r": 64,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 256.23,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37308,
    "c": 0.18121,
    "h": 286
  },
  "luminance": 0.0437
}

Semantic roles & 50–950 ramp

primary

#401F99

secondary

#A3C054

accent

#E93FBB

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #401F99

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

Preview Lab → · Contrast checker → · Palette generator →