#401B9F#401B9F

#401B9F is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.192 H 285.3°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#401B9F
RGB	rgb(64, 27, 159)
HSL	hsl(257, 71%, 36%)
HSV	hsv(257, 83%, 62%)
CMYK	cmyk(59.7%, 83%, 0%, 37.6%)
CIE-LAB	lab(24.88, 49.67, -64.10)
CIE-LCH	lch(24.88, 81.09, 307.77°)
OKLab	oklab(37.51% 0.0505 -0.1847)
OKLCH	oklch(37.51% 0.192 285.3)
XYZ	xyz(8.7624, 4.3765, 33.1772)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B9F #7A9F1B

analogous

#1B389F #401B9F #821B9F

triadic

#401B9F #9F401B #1B9F40

tetradic

#401B9F #9F1B38 #7A9F1B #1B9F82

square

#401B9F #9F1B38 #7A9F1B #1B9F82

split-complementary

#401B9F #9F821B #389F1B

monochromatic

#160936 #2B126B #401B9F #5524D3 #7B53E2

Accessibility & contrast

On white

11.20

#401B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#401B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B9F

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B9F	#FFFFFF	#000000	##FFFFFF
##401B9F	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#05445F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #401b9f;
/* rgb */ color: rgb(64, 27, 159);
/* oklch */ color: oklch(37.5% 0.192 285.3);

Tailwind

colors: {
  custom: {
    50: '#815ebd',
    500: '#401b9f',
    950: '#000000',
  },
}

SCSS

$custom: #401b9f;
$custom-light: #815ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#401b9f",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 256.818,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37512,
    "c": 0.1915,
    "h": 285.3
  },
  "luminance": 0.04377
}

Semantic roles & 50–950 ramp

primary

#401B9F

secondary

#A4C551

accent

#EE3ABB

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #401B9F

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

Preview Lab → · Contrast checker → · Palette generator →