#401B51#401B51

#401B51 is a dark, moderate purple. Relative luminance 0.025; OKLCH L 30.3% C 0.100 H 313.7°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#401B51
RGB	rgb(64, 27, 81)
HSL	hsl(281, 50%, 21%)
HSV	hsv(281, 67%, 32%)
CMYK	cmyk(21%, 66.7%, 0%, 68.2%)
CIE-LAB	lab(17.77, 28.21, -25.71)
CIE-LCH	lch(17.77, 38.17, 317.66°)
OKLab	oklab(30.33% 0.0688 -0.0722)
OKLCH	oklch(30.33% 0.1 313.7)
XYZ	xyz(3.9912, 2.4681, 8.0491)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B51 #2C511B

analogous

#251B51 #401B51 #511B47

triadic

#401B51 #51401B #1B5140

tetradic

#401B51 #51251B #2C511B #1B4751

square

#401B51 #51251B #2C511B #1B4751

split-complementary

#401B51 #47511B #1B5125

monochromatic

#120817 #1C0C23 #401B51 #642A7F #893AAD

Accessibility & contrast

On white

14.06

#401B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#401B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B51

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B51	#FFFFFF	#000000	##FFFFFF
##401B51	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082953

Deuteranopia (green-blind)

#192C50

Tritanopia (blue-blind)

#3E2533

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #401b51;
/* rgb */ color: rgb(64, 27, 81);
/* oklch */ color: oklch(30.3% 0.100 313.7);

Tailwind

colors: {
  custom: {
    50: '#775a82',
    500: '#401b51',
    950: '#000000',
  },
}

SCSS

$custom: #401b51;
$custom-light: #775a82;
$custom-dark: #000000;

JSON

{
  "hex": "#401b51",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 81
  },
  "hsl": {
    "h": 281.111,
    "s": 50,
    "l": 21.176
  },
  "oklch": {
    "l": 0.30326,
    "c": 0.09973,
    "h": 313.7
  },
  "luminance": 0.02468
}

Semantic roles & 50–950 ramp

primary

#401B51

secondary

#578741

accent

#DA4E7A

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09040A

muted

#7B797C

Preview Lab

Preview with #401B51

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

Preview Lab → · Contrast checker → · Palette generator →