#40239B#40239B

#40239B is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.0% C 0.180 H 285.1°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#40239B
RGB	rgb(64, 35, 155)
HSL	hsl(255, 63%, 37%)
HSV	hsv(255, 77%, 61%)
CMYK	cmyk(58.7%, 77.4%, 0%, 39.2%)
CIE-LAB	lab(25.74, 44.83, -60.24)
CIE-LCH	lch(25.74, 75.09, 306.65°)
OKLab	oklab(37.98% 0.0467 -0.1735)
OKLCH	oklch(37.98% 0.18 285.1)
XYZ	xyz(8.6300, 4.6581, 31.4483)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40239B #7E9B23

analogous

#23429B #40239B #7C239B

triadic

#40239B #9B4023 #239B40

tetradic

#40239B #9B2342 #7E9B23 #239B7C

square

#40239B #9B2342 #7E9B23 #239B7C

split-complementary

#40239B #9B7C23 #429B23

monochromatic

#170C37 #2B1869 #40239B #552ECD #7C5EDB

Accessibility & contrast

On white

10.87

#40239B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#40239B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40239B

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40239B	#FFFFFF	#000000	##FFFFFF
##40239B	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#0E455E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #40239b;
/* rgb */ color: rgb(64, 35, 155);
/* oklch */ color: oklch(38.0% 0.180 285.1);

Tailwind

colors: {
  custom: {
    50: '#8062ba',
    500: '#40239b',
    950: '#000000',
  },
}

SCSS

$custom: #40239b;
$custom-light: #8062ba;
$custom-dark: #000000;

JSON

{
  "hex": "#40239b",
  "rgb": {
    "r": 64,
    "g": 35,
    "b": 155
  },
  "hsl": {
    "h": 254.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37984,
    "c": 0.17971,
    "h": 285.1
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#40239B

secondary

#A7BF5A

accent

#E642BE

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #40239B

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

Preview Lab → · Contrast checker → · Palette generator →