#401F81#401F81

#401F81 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 34.9% C 0.153 H 291.9°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#401F81
RGB	rgb(64, 31, 129)
HSL	hsl(260, 61%, 31%)
HSV	hsv(260, 76%, 51%)
CMYK	cmyk(50.4%, 76%, 0%, 49.4%)
CIE-LAB	lab(22.50, 39.23, -49.41)
CIE-LCH	lch(22.50, 63.09, 308.45°)
OKLab	oklab(34.94% 0.057 -0.1418)
OKLCH	oklch(34.94% 0.153 291.9)
XYZ	xyz(6.5657, 3.6547, 21.1241)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401F81 #60811F

analogous

#1F2F81 #401F81 #711F81

triadic

#401F81 #81401F #1F8140

tetradic

#401F81 #811F2F #60811F #1F8171

square

#401F81 #811F2F #60811F #1F8171

split-complementary

#401F81 #81711F #2F811F

monochromatic

#0F071E #281350 #401F81 #582BB2 #7647D3

Accessibility & contrast

On white

12.13

#401F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#401F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401F81

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401F81	#FFFFFF	#000000	##FFFFFF
##401F81	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003784

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#2B394E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #401f81;
/* rgb */ color: rgb(64, 31, 129);
/* oklch */ color: oklch(34.9% 0.153 291.9);

Tailwind

colors: {
  custom: {
    50: '#7c5ea6',
    500: '#401f81',
    950: '#000000',
  },
}

SCSS

$custom: #401f81;
$custom-light: #7c5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#401f81",
  "rgb": {
    "r": 64,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 260.204,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34937,
    "c": 0.1528,
    "h": 291.9
  },
  "luminance": 0.03655
}

Semantic roles & 50–950 ramp

primary

#401F81

secondary

#90B448

accent

#E443AE

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #401F81

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

Preview Lab → · Contrast checker → · Palette generator →