#401B71#401B71

#401B71 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.9% C 0.138 H 297.9°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#401B71
RGB	rgb(64, 27, 113)
HSL	hsl(266, 61%, 27%)
HSV	hsv(266, 76%, 44%)
CMYK	cmyk(43.4%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(20.31, 36.74, -42.77)
CIE-LCH	lch(20.31, 56.38, 310.66°)
OKLab	oklab(32.94% 0.0648 -0.1223)
OKLCH	oklch(32.94% 0.138 297.9)
XYZ	xyz(5.4862, 3.0660, 15.9223)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B71 #4C711B

analogous

#1B2171 #401B71 #6B1B71

triadic

#401B71 #71401B #1B7140

tetradic

#401B71 #711B21 #4C711B #1B716B

square

#401B71 #711B21 #4C711B #1B716B

split-complementary

#401B71 #716B1B #21711B

monochromatic

#0E0619 #240F40 #401B71 #5C27A2 #7937CF

Accessibility & contrast

On white

13.02

#401B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#401B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B71

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B71	#FFFFFF	#000000	##FFFFFF
##401B71	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003173

Deuteranopia (green-blind)

#00306F

Tritanopia (blue-blind)

#343144

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #401b71;
/* rgb */ color: rgb(64, 27, 113);
/* oklch */ color: oklch(32.9% 0.138 297.9);

Tailwind

colors: {
  custom: {
    50: '#7a5b9b',
    500: '#401b71',
    950: '#000000',
  },
}

SCSS

$custom: #401b71;
$custom-light: #7a5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#401b71",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 265.814,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.3294,
    "c": 0.13836,
    "h": 297.9
  },
  "luminance": 0.03066
}

Semantic roles & 50–950 ramp

primary

#401B71

secondary

#7BA642

accent

#E5439F

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #401B71

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

Preview Lab → · Contrast checker → · Palette generator →