#401B74#401B74

#401B74 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.2% C 0.142 H 296.8°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#401B74
RGB	rgb(64, 27, 116)
HSL	hsl(265, 62%, 28%)
HSV	hsv(265, 77%, 45%)
CMYK	cmyk(44.8%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(20.58, 37.57, -44.27)
CIE-LCH	lch(20.58, 58.06, 310.33°)
OKLab	oklab(33.21% 0.064 -0.1267)
OKLCH	oklch(33.21% 0.142 296.8)
XYZ	xyz(5.6578, 3.1347, 16.8266)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.52

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B74 #4F741B

analogous

#1B2274 #401B74 #6C1B74

triadic

#401B74 #74401B #1B7440

tetradic

#401B74 #741B22 #4F741B #1B746C

square

#401B74 #741B22 #4F741B #1B746C

split-complementary

#401B74 #746C1B #22741B

monochromatic

#0E0619 #250F42 #401B74 #5B27A6 #7839D1

Accessibility & contrast

On white

12.91

#401B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#401B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B74

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B74	#FFFFFF	#000000	##FFFFFF
##401B74	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003277

Deuteranopia (green-blind)

#003072

Tritanopia (blue-blind)

#323246

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #401b74;
/* rgb */ color: rgb(64, 27, 116);
/* oklch */ color: oklch(33.2% 0.142 296.8);

Tailwind

colors: {
  custom: {
    50: '#7a5b9d',
    500: '#401b74',
    950: '#000000',
  },
}

SCSS

$custom: #401b74;
$custom-light: #7a5b9d;
$custom-dark: #000000;

JSON

{
  "hex": "#401b74",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 264.944,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33214,
    "c": 0.14193,
    "h": 296.8
  },
  "luminance": 0.03135
}

Semantic roles & 50–950 ramp

primary

#401B74

secondary

#7EA942

accent

#E542A2

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #401B74

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

Preview Lab → · Contrast checker → · Palette generator →