#401F91#401F91

#401F91 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.172 H 287.8°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#401F91
RGB	rgb(64, 31, 145)
HSL	hsl(257, 65%, 35%)
HSV	hsv(257, 79%, 57%)
CMYK	cmyk(55.9%, 78.6%, 0%, 43.1%)
CIE-LAB	lab(24.04, 43.87, -56.87)
CIE-LCH	lch(24.04, 71.83, 307.65°)
OKLab	oklab(36.5% 0.0525 -0.1636)
OKLCH	oklch(36.5% 0.172 287.8)
XYZ	xyz(7.7137, 4.1139, 27.1702)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401F91 #70911F

analogous

#1F3791 #401F91 #791F91

triadic

#401F91 #91401F #1F9140

tetradic

#401F91 #911F37 #70911F #1F9179

square

#401F91 #911F37 #70911F #1F9179

split-complementary

#401F91 #91791F #37911F

monochromatic

#13092C #2A145F #401F91 #562AC3 #7851DA

Accessibility & contrast

On white

11.52

#401F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#401F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401F91

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401F91	#FFFFFF	#000000	##FFFFFF
##401F91	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C94

Deuteranopia (green-blind)

#00368F

Tritanopia (blue-blind)

#1E4057

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #401f91;
/* rgb */ color: rgb(64, 31, 145);
/* oklch */ color: oklch(36.5% 0.172 287.8);

Tailwind

colors: {
  custom: {
    50: '#7f5fb2',
    500: '#401f91',
    950: '#000000',
  },
}

SCSS

$custom: #401f91;
$custom-light: #7f5fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#401f91",
  "rgb": {
    "r": 64,
    "g": 31,
    "b": 145
  },
  "hsl": {
    "h": 257.368,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36497,
    "c": 0.17187,
    "h": 287.8
  },
  "luminance": 0.04114
}

Semantic roles & 50–950 ramp

primary

#401F91

secondary

#9DBD4F

accent

#E840B7

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #401F91

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

Preview Lab → · Contrast checker → · Palette generator →