#40175B#40175B

#40175B is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.5% C 0.118 H 308.6°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#40175B
RGB	rgb(64, 23, 91)
HSL	hsl(276, 60%, 22%)
HSV	hsv(276, 75%, 36%)
CMYK	cmyk(29.7%, 74.7%, 0%, 64.3%)
CIE-LAB	lab(17.73, 32.90, -32.51)
CIE-LCH	lch(17.73, 46.25, 315.34°)
OKLab	oklab(30.53% 0.0734 -0.0921)
OKLCH	oklch(30.53% 0.118 308.6)
XYZ	xyz(4.3087, 2.4582, 10.1430)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40175B #325B17

analogous

#1E175B #40175B #5B1754

triadic

#40175B #5B4017 #175B40

tetradic

#40175B #5B1E17 #325B17 #17545B

square

#40175B #5B1E17 #325B17 #17545B

split-complementary

#40175B #545B17 #175B1E

monochromatic

#110618 #1E0B2A #40175B #62238C #8530BD

Accessibility & contrast

On white

14.08

#40175B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#40175B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40175B

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40175B	#FFFFFF	#000000	##FFFFFF
##40175B	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#082C5A

Tritanopia (blue-blind)

#3C2637

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #40175b;
/* rgb */ color: rgb(64, 23, 91);
/* oklch */ color: oklch(30.5% 0.118 308.6);

Tailwind

colors: {
  custom: {
    50: '#78588a',
    500: '#40175b',
    950: '#000000',
  },
}

SCSS

$custom: #40175b;
$custom-light: #78588a;
$custom-dark: #000000;

JSON

{
  "hex": "#40175b",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 91
  },
  "hsl": {
    "h": 276.176,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.30528,
    "c": 0.11778,
    "h": 308.6
  },
  "luminance": 0.02458
}

Semantic roles & 50–950 ramp

primary

#40175B

secondary

#5E923C

accent

#E34584

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #40175B

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

Preview Lab → · Contrast checker → · Palette generator →