#401B57#401B57

#401B57 is a dark, moderate violet. Relative luminance 0.026; OKLCH L 30.8% C 0.107 H 309.9°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#401B57
RGB	rgb(64, 27, 87)
HSL	hsl(277, 53%, 22%)
HSV	hsv(277, 69%, 34%)
CMYK	cmyk(26.4%, 69%, 0%, 65.9%)
CIE-LAB	lab(18.20, 29.74, -29.08)
CIE-LCH	lch(18.20, 41.59, 315.64°)
OKLab	oklab(30.77% 0.0687 -0.082)
OKLCH	oklch(30.77% 0.107 309.9)
XYZ	xyz(4.2263, 2.5621, 9.2869)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B57 #32571B

analogous

#221B57 #401B57 #571B50

triadic

#401B57 #57401B #1B5740

tetradic

#401B57 #57221B #32571B #1B5057

square

#401B57 #57221B #32571B #1B5057

split-complementary

#401B57 #50571B #1B5722

monochromatic

#110717 #1E0D28 #401B57 #622986 #8538B4

Accessibility & contrast

On white

13.89

#401B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#401B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B57

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B57	#FFFFFF	#000000	##FFFFFF
##401B57	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B59

Deuteranopia (green-blind)

#132D56

Tritanopia (blue-blind)

#3D2736

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #401b57;
/* rgb */ color: rgb(64, 27, 87);
/* oklch */ color: oklch(30.8% 0.107 309.9);

Tailwind

colors: {
  custom: {
    50: '#775a87',
    500: '#401b57',
    950: '#000000',
  },
}

SCSS

$custom: #401b57;
$custom-light: #775a87;
$custom-dark: #000000;

JSON

{
  "hex": "#401b57",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 87
  },
  "hsl": {
    "h": 277,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.30768,
    "c": 0.10699,
    "h": 309.9
  },
  "luminance": 0.02562
}

Semantic roles & 50–950 ramp

primary

#401B57

secondary

#5E8D41

accent

#DC4C83

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #401B57

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

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