#401D9B#401D9B

#401D9B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.185 H 285.9°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#401D9B
RGB	rgb(64, 29, 155)
HSL	hsl(257, 68%, 36%)
HSV	hsv(257, 81%, 61%)
CMYK	cmyk(58.7%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(24.75, 47.68, -61.87)
CIE-LCH	lch(24.75, 78.11, 307.62°)
OKLab	oklab(37.3% 0.0507 -0.1782)
OKLCH	oklch(37.3% 0.185 285.9)
XYZ	xyz(8.4683, 4.3348, 31.3945)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401D9B #789B1D

analogous

#1D399B #401D9B #7F1D9B

triadic

#401D9B #9B401D #1D9B40

tetradic

#401D9B #9B1D39 #789B1D #1D9B7F

square

#401D9B #9B1D39 #789B1D #1D9B7F

split-complementary

#401D9B #9B7F1D #399B1D

monochromatic

#150A34 #2B1367 #401D9B #5527CF #7A53DF

Accessibility & contrast

On white

11.25

#401D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#401D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401D9B

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401D9B	#FFFFFF	#000000	##FFFFFF
##401D9B	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9E

Deuteranopia (green-blind)

#003799

Tritanopia (blue-blind)

#0F435D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #401d9b;
/* rgb */ color: rgb(64, 29, 155);
/* oklch */ color: oklch(37.3% 0.185 285.9);

Tailwind

colors: {
  custom: {
    50: '#805fba',
    500: '#401d9b',
    950: '#000000',
  },
}

SCSS

$custom: #401d9b;
$custom-light: #805fba;
$custom-dark: #000000;

JSON

{
  "hex": "#401d9b",
  "rgb": {
    "r": 64,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 256.667,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37295,
    "c": 0.18531,
    "h": 285.9
  },
  "luminance": 0.04335
}

Semantic roles & 50–950 ramp

primary

#401D9B

secondary

#A3C252

accent

#EB3CBB

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #401D9B

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

Preview Lab → · Contrast checker → · Palette generator →