#401BB4#401BB4

#401BB4 is a dark, highly saturated violet. Relative luminance 0.052; OKLCH L 39.8% C 0.215 H 281.6°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#401BB4
RGB	rgb(64, 27, 180)
HSL	hsl(255, 74%, 41%)
HSV	hsv(255, 85%, 71%)
CMYK	cmyk(64.4%, 85%, 0%, 29.4%)
CIE-LAB	lab(27.21, 55.50, -72.92)
CIE-LCH	lch(27.21, 91.63, 307.27°)
OKLab	oklab(39.8% 0.043 -0.2104)
OKLCH	oklch(39.8% 0.215 281.6)
XYZ	xyz(10.7419, 5.1683, 43.6027)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401BB4 #8FB41B

analogous

#1B42B4 #401BB4 #8C1BB4

triadic

#401BB4 #B4401B #1BB440

tetradic

#401BB4 #B41B42 #8FB41B #1BB48C

square

#401BB4 #B41B42 #8FB41B #1BB48C

split-complementary

#401BB4 #B48C1B #42B41B

monochromatic

#1A0B4A #2D137F #401BB4 #582DDF #8262E7

Accessibility & contrast

On white

10.33

#401BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#401BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401BB4

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401BB4	#FFFFFF	#000000	##FFFFFF
##401BB4	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#003BB1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #401bb4;
/* rgb */ color: rgb(64, 27, 180);
/* oklch */ color: oklch(39.8% 0.215 281.6);

Tailwind

colors: {
  custom: {
    50: '#855fcc',
    500: '#401bb4',
    950: '#000000',
  },
}

SCSS

$custom: #401bb4;
$custom-light: #855fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#401bb4",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 254.51,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39795,
    "c": 0.21474,
    "h": 281.6
  },
  "luminance": 0.05169
}

Semantic roles & 50–950 ramp

primary

#401BB4

secondary

#B2CC5F

accent

#F137C4

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0D0514

muted

#7D7982

Preview Lab

Preview with #401BB4

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

Preview Lab → · Contrast checker → · Palette generator →