#40173C#40173C

#40173C is a dark, moderate purple. Relative luminance 0.020; OKLCH L 28.3% C 0.083 H 331.4°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#40173C
RGB	rgb(64, 23, 60)
HSL	hsl(306, 47%, 17%)
HSV	hsv(306, 64%, 25%)
CMYK	cmyk(0%, 64.1%, 6.2%, 74.9%)
CIE-LAB	lab(15.64, 25.68, -14.57)
CIE-LCH	lch(15.64, 29.53, 330.43°)
OKLab	oklab(28.35% 0.0732 -0.0398)
OKLCH	oklch(28.35% 0.083 331.4)
XYZ	xyz(3.2363, 2.0292, 4.4953)
Luminance	0.0203 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40173C #17401B

analogous

#301740 #40173C #401728

triadic

#40173C #3C4017 #173C40

tetradic

#40173C #403017 #17401B #172840

square

#40173C #403017 #17401B #172840

split-complementary

#40173C #284017 #174030

monochromatic

#170815 #170815 #40173C #6D2766 #9A3790

Accessibility & contrast

On white

14.94

#40173C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#40173C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40173C

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40173C	#FFFFFF	#000000	##FFFFFF
##40173C	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15233D

Deuteranopia (green-blind)

#22293B

Tritanopia (blue-blind)

#431A27

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #40173c;
/* rgb */ color: rgb(64, 23, 60);
/* oklch */ color: oklch(28.3% 0.083 331.4);

Tailwind

colors: {
  custom: {
    50: '#765772',
    500: '#40173c',
    950: '#000000',
  },
}

SCSS

$custom: #40173c;
$custom-light: #765772;
$custom-dark: #000000;

JSON

{
  "hex": "#40173c",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 60
  },
  "hsl": {
    "h": 305.854,
    "s": 47.126,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28346,
    "c": 0.08331,
    "h": 331.4
  },
  "luminance": 0.02029
}

Semantic roles & 50–950 ramp

primary

#40173C

secondary

#3C7742

accent

#D75E51

background

#F7F5F6

surface

#EDE9EC

border

#C8C5C7

text

#090307

muted

#7B787A

Preview Lab

Preview with #40173C

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

Preview Lab → · Contrast checker → · Palette generator →