#401B55#401B55

#401B55 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.6% C 0.105 H 311.1°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#401B55
RGB	rgb(64, 27, 85)
HSL	hsl(278, 52%, 22%)
HSV	hsv(278, 68%, 33%)
CMYK	cmyk(24.7%, 68.2%, 0%, 66.7%)
CIE-LAB	lab(18.05, 29.22, -27.96)
CIE-LCH	lch(18.05, 40.45, 316.26°)
OKLab	oklab(30.62% 0.0688 -0.0788)
OKLCH	oklch(30.62% 0.105 311.1)
XYZ	xyz(4.1457, 2.5298, 8.8625)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B55 #30551B

analogous

#231B55 #401B55 #551B4D

triadic

#401B55 #55401B #1B5540

tetradic

#401B55 #55231B #30551B #1B4D55

square

#401B55 #55231B #30551B #1B4D55

split-complementary

#401B55 #4D551B #1B5523

monochromatic

#110717 #1D0C27 #401B55 #632A83 #8639B2

Accessibility & contrast

On white

13.94

#401B55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#401B55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B55

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B55	#FFFFFF	#000000	##FFFFFF
##401B55	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022A57

Deuteranopia (green-blind)

#152D54

Tritanopia (blue-blind)

#3D2635

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #401b55;
/* rgb */ color: rgb(64, 27, 85);
/* oklch */ color: oklch(30.6% 0.105 311.1);

Tailwind

colors: {
  custom: {
    50: '#775a85',
    500: '#401b55',
    950: '#000000',
  },
}

SCSS

$custom: #401b55;
$custom-light: #775a85;
$custom-dark: #000000;

JSON

{
  "hex": "#401b55",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 85
  },
  "hsl": {
    "h": 278.276,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.30618,
    "c": 0.10456,
    "h": 311.1
  },
  "luminance": 0.0253
}

Semantic roles & 50–950 ramp

primary

#401B55

secondary

#5C8B41

accent

#DB4D80

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #401B55

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

Preview Lab → · Contrast checker → · Palette generator →