#40279C#40279C

#40279C is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.6% C 0.177 H 284.2°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#40279C
RGB	rgb(64, 39, 156)
HSL	hsl(253, 60%, 38%)
HSV	hsv(253, 75%, 61%)
CMYK	cmyk(59%, 75%, 0%, 38.8%)
CIE-LAB	lab(26.57, 43.06, -59.49)
CIE-LCH	lch(26.57, 73.44, 305.89°)
OKLab	oklab(38.6% 0.0435 -0.1714)
OKLCH	oklch(38.6% 0.177 284.2)
XYZ	xyz(8.8388, 4.9408, 31.9340)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40279C #839C27

analogous

#27489C #40279C #7B279C

triadic

#40279C #9C4027 #279C40

tetradic

#40279C #9C2748 #839C27 #279C7B

square

#40279C #9C2748 #839C27 #279C7B

split-complementary

#40279C #9C7B27 #489C27

monochromatic

#180F3A #2C1B6B #40279C #5434CC #7E65D8

Accessibility & contrast

On white

10.56

#40279C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#40279C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40279C

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40279C	#FFFFFF	#000000	##FFFFFF
##40279C	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)

#00429F

Deuteranopia (green-blind)

#003B9A

Tritanopia (blue-blind)

#0B485F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40279c;
/* rgb */ color: rgb(64, 39, 156);
/* oklch */ color: oklch(38.6% 0.177 284.2);

Tailwind

colors: {
  custom: {
    50: '#8064ba',
    500: '#40279c',
    950: '#000000',
  },
}

SCSS

$custom: #40279c;
$custom-light: #8064ba;
$custom-dark: #000000;

JSON

{
  "hex": "#40279c",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 156
  },
  "hsl": {
    "h": 252.821,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38596,
    "c": 0.17681,
    "h": 284.2
  },
  "luminance": 0.04941
}

Semantic roles & 50–950 ramp

primary

#40279C

secondary

#AABE61

accent

#E345C1

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #40279C

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

Preview Lab → · Contrast checker → · Palette generator →