#402D9B#402D9B

#402D9B is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.3% C 0.169 H 283.3°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#402D9B
RGB	rgb(64, 45, 155)
HSL	hsl(250, 55%, 39%)
HSV	hsv(250, 71%, 61%)
CMYK	cmyk(58.7%, 71%, 0%, 39.2%)
CIE-LAB	lab(27.66, 39.42, -57.08)
CIE-LCH	lch(27.66, 69.37, 304.63°)
OKLab	oklab(39.35% 0.0389 -0.1643)
OKLCH	oklch(39.35% 0.169 283.3)
XYZ	xyz(8.9673, 5.3327, 31.5608)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402D9B #889B2D

analogous

#2D519B #402D9B #772D9B

triadic

#402D9B #9B402D #2D9B40

tetradic

#402D9B #9B2D51 #889B2D #2D9B77

square

#402D9B #9B2D51 #889B2D #2D9B77

split-complementary

#402D9B #9B772D #519B2D

monochromatic

#19113C #2C1F6C #402D9B #563EC7 #7F6ED5

Accessibility & contrast

On white

10.16

#402D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#402D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402D9B

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402D9B	#FFFFFF	#000000	##FFFFFF
##402D9B	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#003E99

Tritanopia (blue-blind)

#0C4A60

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #402d9b;
/* rgb */ color: rgb(64, 45, 155);
/* oklch */ color: oklch(39.3% 0.169 283.3);

Tailwind

colors: {
  custom: {
    50: '#7f68b9',
    500: '#402d9b',
    950: '#000000',
  },
}

SCSS

$custom: #402d9b;
$custom-light: #7f68b9;
$custom-dark: #000000;

JSON

{
  "hex": "#402d9b",
  "rgb": {
    "r": 64,
    "g": 45,
    "b": 155
  },
  "hsl": {
    "h": 250.364,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39347,
    "c": 0.16888,
    "h": 283.3
  },
  "luminance": 0.05333
}

Semantic roles & 50–950 ramp

primary

#402D9B

secondary

#ADBC68

accent

#DE49C5

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402D9B

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

Preview Lab → · Contrast checker → · Palette generator →