#40189F#40189F

#40189F is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.2% C 0.194 H 285.6°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#40189F
RGB	rgb(64, 24, 159)
HSL	hsl(258, 74%, 36%)
HSV	hsv(258, 85%, 62%)
CMYK	cmyk(59.7%, 84.9%, 0%, 37.6%)
CIE-LAB	lab(24.47, 50.88, -64.78)
CIE-LCH	lch(24.47, 82.37, 308.15°)
OKLab	oklab(37.23% 0.0521 -0.1866)
OKLCH	oklch(37.23% 0.194 285.6)
XYZ	xyz(8.6971, 4.2459, 33.1554)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40189F #779F18

analogous

#18339F #40189F #83189F

triadic

#40189F #9F4018 #189F40

tetradic

#40189F #9F1833 #779F18 #189F83

square

#40189F #9F1833 #779F18 #189F83

split-complementary

#40189F #9F8318 #339F18

monochromatic

#150835 #2B106A #40189F #5520D4 #7A4DE4

Accessibility & contrast

On white

11.36

#40189F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#40189F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40189F

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40189F	#FFFFFF	#000000	##FFFFFF
##40189F	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#06435E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #40189f;
/* rgb */ color: rgb(64, 24, 159);
/* oklch */ color: oklch(37.2% 0.194 285.6);

Tailwind

colors: {
  custom: {
    50: '#825dbd',
    500: '#40189f',
    950: '#000000',
  },
}

SCSS

$custom: #40189f;
$custom-light: #825dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#40189f",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 159
  },
  "hsl": {
    "h": 257.778,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.3723,
    "c": 0.1938,
    "h": 285.6
  },
  "luminance": 0.04246
}

Semantic roles & 50–950 ramp

primary

#40189F

secondary

#A2C64D

accent

#F037BA

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0412

muted

#7D7981

Preview Lab

Preview with #40189F

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

Preview Lab → · Contrast checker → · Palette generator →