#401F9B#401F9B

#401F9B is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.184 H 285.6°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#401F9B
RGB	rgb(64, 31, 155)
HSL	hsl(256, 67%, 36%)
HSV	hsv(256, 80%, 61%)
CMYK	cmyk(58.7%, 80%, 0%, 39.2%)
CIE-LAB	lab(25.06, 46.76, -61.35)
CIE-LCH	lch(25.06, 77.14, 307.32°)
OKLab	oklab(37.51% 0.0495 -0.1767)
OKLCH	oklch(37.51% 0.184 285.6)
XYZ	xyz(8.5189, 4.4360, 31.4113)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401F9B #7A9B1F

analogous

#1F3C9B #401F9B #7E1F9B

triadic

#401F9B #9B401F #1F9B40

tetradic

#401F9B #9B1F3C #7A9B1F #1F9B7E

square

#401F9B #9B1F3C #7A9B1F #1F9B7E

split-complementary

#401F9B #9B7E1F #3C9B1F

monochromatic

#160B35 #2B1568 #401F9B #5529CE #7B57DD

Accessibility & contrast

On white

11.13

#401F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#401F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401F9B

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401F9B	#FFFFFF	#000000	##FFFFFF
##401F9B	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#0F445D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #401f9b;
/* rgb */ color: rgb(64, 31, 155);
/* oklch */ color: oklch(37.5% 0.184 285.6);

Tailwind

colors: {
  custom: {
    50: '#8060ba',
    500: '#401f9b',
    950: '#000000',
  },
}

SCSS

$custom: #401f9b;
$custom-light: #8060ba;
$custom-dark: #000000;

JSON

{
  "hex": "#401f9b",
  "rgb": {
    "r": 64,
    "g": 31,
    "b": 155
  },
  "hsl": {
    "h": 255.968,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37514,
    "c": 0.18353,
    "h": 285.6
  },
  "luminance": 0.04437
}

Semantic roles & 50–950 ramp

primary

#401F9B

secondary

#A4C155

accent

#EA3EBC

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #401F9B

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

Preview Lab → · Contrast checker → · Palette generator →