#40173A#40173A

#40173A is a dark, moderate purple. Relative luminance 0.020; OKLCH L 28.2% C 0.081 H 333.5°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#40173A
RGB	rgb(64, 23, 58)
HSL	hsl(309, 47%, 17%)
HSV	hsv(309, 64%, 25%)
CMYK	cmyk(0%, 64.1%, 9.4%, 74.9%)
CIE-LAB	lab(15.53, 25.28, -13.33)
CIE-LCH	lch(15.53, 28.58, 332.20°)
OKLab	oklab(28.23% 0.0728 -0.0363)
OKLCH	oklch(28.23% 0.081 333.5)
XYZ	xyz(3.1845, 2.0085, 4.2221)
Luminance	0.0201 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40173A #17401D

analogous

#321740 #40173A #401726

triadic

#40173A #3A4017 #173A40

tetradic

#40173A #403217 #17401D #172640

square

#40173A #403217 #17401D #172640

split-complementary

#40173A #264017 #174032

monochromatic

#170814 #170814 #40173A #6D2763 #9A378C

Accessibility & contrast

On white

14.98

#40173A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#40173A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40173A

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40173A	#FFFFFF	#000000	##FFFFFF
##40173A	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16233B

Deuteranopia (green-blind)

#232939

Tritanopia (blue-blind)

#431A26

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #40173a;
/* rgb */ color: rgb(64, 23, 58);
/* oklch */ color: oklch(28.2% 0.081 333.5);

Tailwind

colors: {
  custom: {
    50: '#765770',
    500: '#40173a',
    950: '#000000',
  },
}

SCSS

$custom: #40173a;
$custom-light: #765770;
$custom-dark: #000000;

JSON

{
  "hex": "#40173a",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 58
  },
  "hsl": {
    "h": 308.78,
    "s": 47.126,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28231,
    "c": 0.08133,
    "h": 333.5
  },
  "luminance": 0.02008
}

Semantic roles & 50–950 ramp

primary

#40173A

secondary

#3C7745

accent

#D76551

background

#F7F5F6

surface

#EDE9EC

border

#C8C5C7

text

#090307

muted

#7B787A

Preview Lab

Preview with #40173A

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

Preview Lab → · Contrast checker → · Palette generator →