#401B9D#401B9D

#401B9D is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.189 H 285.7°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#401B9D
RGB	rgb(64, 27, 157)
HSL	hsl(257, 71%, 36%)
HSV	hsv(257, 83%, 62%)
CMYK	cmyk(59.2%, 82.8%, 0%, 38.4%)
CIE-LAB	lab(24.66, 49.11, -63.24)
CIE-LCH	lch(24.66, 80.07, 307.83°)
OKLab	oklab(37.3% 0.0512 -0.1822)
OKLCH	oklch(37.3% 0.189 285.7)
XYZ	xyz(8.5902, 4.3077, 32.2706)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B9D #789D1B

analogous

#1B379D #401B9D #811B9D

triadic

#401B9D #9D401B #1B9D40

tetradic

#401B9D #9D1B37 #789D1B #1B9D81

square

#401B9D #9D1B37 #789D1B #1B9D81

split-complementary

#401B9D #9D811B #379D1B

monochromatic

#150935 #2B1269 #401B9D #5524D1 #7A51E1

Accessibility & contrast

On white

11.28

#401B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#401B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B9D

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B9D	#FFFFFF	#000000	##FFFFFF
##401B9D	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA1

Deuteranopia (green-blind)

#00379B

Tritanopia (blue-blind)

#0B435D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #401b9d;
/* rgb */ color: rgb(64, 27, 157);
/* oklch */ color: oklch(37.3% 0.189 285.7);

Tailwind

colors: {
  custom: {
    50: '#815ebb',
    500: '#401b9d',
    950: '#000000',
  },
}

SCSS

$custom: #401b9d;
$custom-light: #815ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#401b9d",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 157
  },
  "hsl": {
    "h": 257.077,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.373,
    "c": 0.18925,
    "h": 285.7
  },
  "luminance": 0.04308
}

Semantic roles & 50–950 ramp

primary

#401B9D

secondary

#A3C450

accent

#ED3ABA

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #401B9D

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

Preview Lab → · Contrast checker → · Palette generator →