#40289A#40289A

#40289A is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.5% C 0.173 H 284.4°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#40289A
RGB	rgb(64, 40, 154)
HSL	hsl(253, 59%, 38%)
HSV	hsv(253, 74%, 60%)
CMYK	cmyk(58.4%, 74%, 0%, 39.6%)
CIE-LAB	lab(26.56, 41.91, -58.27)
CIE-LCH	lch(26.56, 71.78, 305.72°)
OKLab	oklab(38.54% 0.0432 -0.1678)
OKLCH	oklch(38.54% 0.173 284.4)
XYZ	xyz(8.7041, 4.9401, 31.0605)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40289A #829A28

analogous

#28499A #40289A #79289A

triadic

#40289A #9A4028 #289A40

tetradic

#40289A #9A2849 #829A28 #289A79

square

#40289A #9A2849 #829A28 #289A79

split-complementary

#40289A #9A7928 #499A28

monochromatic

#180F39 #2C1B69 #40289A #5435CA #7D65D7

Accessibility & contrast

On white

10.56

#40289A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#40289A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40289A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40289A	#FFFFFF	#000000	##FFFFFF
##40289A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429D

Deuteranopia (green-blind)

#003B98

Tritanopia (blue-blind)

#0F475E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40289a;
/* rgb */ color: rgb(64, 40, 154);
/* oklch */ color: oklch(38.5% 0.173 284.4);

Tailwind

colors: {
  custom: {
    50: '#7f65b9',
    500: '#40289a',
    950: '#000000',
  },
}

SCSS

$custom: #40289a;
$custom-light: #7f65b9;
$custom-dark: #000000;

JSON

{
  "hex": "#40289a",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 154
  },
  "hsl": {
    "h": 252.632,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38536,
    "c": 0.17329,
    "h": 284.4
  },
  "luminance": 0.04941
}

Semantic roles & 50–950 ramp

primary

#40289A

secondary

#AABD61

accent

#E246C1

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #40289A

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

Preview Lab → · Contrast checker → · Palette generator →