#40173E#40173E

#40173E is a dark, moderate purple. Relative luminance 0.021; OKLCH L 28.5% C 0.085 H 329.5°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#40173E
RGB	rgb(64, 23, 62)
HSL	hsl(303, 47%, 17%)
HSV	hsv(303, 64%, 25%)
CMYK	cmyk(0%, 64.1%, 3.1%, 74.9%)
CIE-LAB	lab(15.75, 26.09, -15.80)
CIE-LCH	lch(15.75, 30.51, 328.80°)
OKLab	oklab(28.46% 0.0735 -0.0434)
OKLCH	oklch(28.46% 0.085 329.5)
XYZ	xyz(3.2902, 2.0508, 4.7790)
Luminance	0.0205 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40173E #174019

analogous

#2E1740 #40173E #40172A

triadic

#40173E #3E4017 #173E40

tetradic

#40173E #402E17 #174019 #172A40

square

#40173E #402E17 #174019 #172A40

split-complementary

#40173E #2A4017 #17402E

monochromatic

#170816 #170816 #40173E #6D276A #9A3795

Accessibility & contrast

On white

14.89

#40173E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#40173E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40173E

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40173E	#FFFFFF	#000000	##FFFFFF
##40173E	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14243F

Deuteranopia (green-blind)

#21293D

Tritanopia (blue-blind)

#421B28

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #40173e;
/* rgb */ color: rgb(64, 23, 62);
/* oklch */ color: oklch(28.5% 0.085 329.5);

Tailwind

colors: {
  custom: {
    50: '#765773',
    500: '#40173e',
    950: '#000000',
  },
}

SCSS

$custom: #40173e;
$custom-light: #765773;
$custom-dark: #000000;

JSON

{
  "hex": "#40173e",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 62
  },
  "hsl": {
    "h": 302.927,
    "s": 47.126,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28464,
    "c": 0.08535,
    "h": 329.5
  },
  "luminance": 0.02051
}

Semantic roles & 50–950 ramp

primary

#40173E

secondary

#3C773F

accent

#D75851

background

#F7F5F7

surface

#EDE9ED

border

#C8C5C8

text

#090308

muted

#7B787B

Preview Lab

Preview with #40173E

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

Preview Lab → · Contrast checker → · Palette generator →