#40279F#40279F

#40279F is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.9% C 0.180 H 283.7°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#40279F
RGB	rgb(64, 39, 159)
HSL	hsl(253, 61%, 39%)
HSV	hsv(253, 75%, 62%)
CMYK	cmyk(59.7%, 75.5%, 0%, 37.6%)
CIE-LAB	lab(26.86, 43.97, -60.84)
CIE-LCH	lch(26.86, 75.06, 305.86°)
OKLab	oklab(38.89% 0.0428 -0.1753)
OKLCH	oklch(38.89% 0.18 283.7)
XYZ	xyz(9.0960, 5.0436, 33.2884)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40279F #869F27

analogous

#274A9F #40279F #7C279F

triadic

#40279F #9F4027 #279F40

tetradic

#40279F #9F274A #869F27 #279F7C

square

#40279F #9F274A #869F27 #279F7C

split-complementary

#40279F #9F7C27 #4A9F27

monochromatic

#180F3D #2C1B6E #40279F #5536CE #7F67DA

Accessibility & contrast

On white

10.45

#40279F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#40279F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40279F

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40279F	#FFFFFF	#000000	##FFFFFF
##40279F	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A2

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#034961

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40279f;
/* rgb */ color: rgb(64, 39, 159);
/* oklch */ color: oklch(38.9% 0.180 283.7);

Tailwind

colors: {
  custom: {
    50: '#8064bc',
    500: '#40279f',
    950: '#000000',
  },
}

SCSS

$custom: #40279f;
$custom-light: #8064bc;
$custom-dark: #000000;

JSON

{
  "hex": "#40279f",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 159
  },
  "hsl": {
    "h": 252.5,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38892,
    "c": 0.18045,
    "h": 283.7
  },
  "luminance": 0.05044
}

Semantic roles & 50–950 ramp

primary

#40279F

secondary

#ACC062

accent

#E444C2

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #40279F

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

Preview Lab → · Contrast checker → · Palette generator →