#40155B#40155B

#40155B is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.3% C 0.121 H 308.9°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#40155B
RGB	rgb(64, 21, 91)
HSL	hsl(277, 63%, 22%)
HSV	hsv(277, 77%, 36%)
CMYK	cmyk(29.7%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(17.37, 33.90, -33.08)
CIE-LCH	lch(17.37, 47.36, 315.70°)
OKLab	oklab(30.28% 0.0758 -0.0937)
OKLCH	oklch(30.28% 0.121 308.9)
XYZ	xyz(4.2705, 2.3817, 10.1303)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40155B #305B15

analogous

#1D155B #40155B #5B1553

triadic

#40155B #5B4015 #155B40

tetradic

#40155B #5B1D15 #305B15 #15535B

square

#40155B #5B1D15 #305B15 #15535B

split-complementary

#40155B #535B15 #155B1D

monochromatic

#110619 #1D0A29 #40155B #63208D #862CBE

Accessibility & contrast

On white

14.22

#40155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#40155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40155B

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40155B	#FFFFFF	#000000	##FFFFFF
##40155B	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295D

Deuteranopia (green-blind)

#052B5A

Tritanopia (blue-blind)

#3C2536

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #40155b;
/* rgb */ color: rgb(64, 21, 91);
/* oklch */ color: oklch(30.3% 0.121 308.9);

Tailwind

colors: {
  custom: {
    50: '#78578a',
    500: '#40155b',
    950: '#000000',
  },
}

SCSS

$custom: #40155b;
$custom-light: #78578a;
$custom-dark: #000000;

JSON

{
  "hex": "#40155b",
  "rgb": {
    "r": 64,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 276.857,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.30277,
    "c": 0.12055,
    "h": 308.9
  },
  "luminance": 0.02382
}

Semantic roles & 50–950 ramp

primary

#40155B

secondary

#5C9239

accent

#E64281

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #40155B

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

Preview Lab → · Contrast checker → · Palette generator →