#40289C#40289C

#40289C is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.7% C 0.176 H 284.1°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#40289C
RGB	rgb(64, 40, 156)
HSL	hsl(252, 59%, 38%)
HSV	hsv(252, 74%, 61%)
CMYK	cmyk(59%, 74.4%, 0%, 38.8%)
CIE-LAB	lab(26.76, 42.52, -59.18)
CIE-LCH	lch(26.76, 72.87, 305.70°)
OKLab	oklab(38.73% 0.0428 -0.1705)
OKLCH	oklch(38.73% 0.176 284.1)
XYZ	xyz(8.8721, 5.0073, 31.9450)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40289C #849C28

analogous

#284A9C #40289C #7A289C

triadic

#40289C #9C4028 #289C40

tetradic

#40289C #9C284A #849C28 #289C7A

square

#40289C #9C284A #849C28 #289C7A

split-complementary

#40289C #9C7A28 #4A9C28

monochromatic

#180F3B #2C1C6B #40289C #5536CB #7E67D8

Accessibility & contrast

On white

10.49

#40289C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#40289C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40289C

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40289C	#FFFFFF	#000000	##FFFFFF
##40289C	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439F

Deuteranopia (green-blind)

#003B9A

Tritanopia (blue-blind)

#0B4860

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40289c;
/* rgb */ color: rgb(64, 40, 156);
/* oklch */ color: oklch(38.7% 0.176 284.1);

Tailwind

colors: {
  custom: {
    50: '#8065ba',
    500: '#40289c',
    950: '#000000',
  },
}

SCSS

$custom: #40289c;
$custom-light: #8065ba;
$custom-dark: #000000;

JSON

{
  "hex": "#40289c",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 156
  },
  "hsl": {
    "h": 252.414,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.3873,
    "c": 0.17574,
    "h": 284.1
  },
  "luminance": 0.05008
}

Semantic roles & 50–950 ramp

primary

#40289C

secondary

#ABBE62

accent

#E245C2

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #40289C

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

Preview Lab → · Contrast checker → · Palette generator →