#401B7B#401B7B

#401B7B is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.150 H 294.5°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#401B7B
RGB	rgb(64, 27, 123)
HSL	hsl(263, 64%, 29%)
HSV	hsv(263, 78%, 48%)
CMYK	cmyk(48%, 78%, 0%, 51.8%)
CIE-LAB	lab(21.22, 39.54, -47.69)
CIE-LCH	lch(21.22, 61.95, 309.66°)
OKLab	oklab(33.87% 0.0622 -0.1367)
OKLCH	oklch(33.87% 0.15 294.5)
XYZ	xyz(6.0805, 3.3037, 19.0524)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B7B #567B1B

analogous

#1B267B #401B7B #701B7B

triadic

#401B7B #7B401B #1B7B40

tetradic

#401B7B #7B1B26 #567B1B #1B7B70

square

#401B7B #7B1B26 #567B1B #1B7B70

split-complementary

#401B7B #7B701B #267B1B

monochromatic

#0D0619 #261049 #401B7B #5A26AD #773CD4

Accessibility & contrast

On white

12.64

#401B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#401B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B7B

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B7B	#FFFFFF	#000000	##FFFFFF
##401B7B	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#2F354A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #401b7b;
/* rgb */ color: rgb(64, 27, 123);
/* oklch */ color: oklch(33.9% 0.150 294.5);

Tailwind

colors: {
  custom: {
    50: '#7b5ca2',
    500: '#401b7b',
    950: '#000000',
  },
}

SCSS

$custom: #401b7b;
$custom-light: #7b5ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#401b7b",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 263.125,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33868,
    "c": 0.15019,
    "h": 294.5
  },
  "luminance": 0.03304
}

Semantic roles & 50–950 ramp

primary

#401B7B

secondary

#85AF43

accent

#E741A7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #401B7B

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

Preview Lab → · Contrast checker → · Palette generator →