#40143B#40143B

#40143B is a dark, moderate purple. Relative luminance 0.019; OKLCH L 27.9% C 0.088 H 332.3°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#40143B
RGB	rgb(64, 20, 59)
HSL	hsl(307, 52%, 16%)
HSV	hsv(307, 69%, 25%)
CMYK	cmyk(0%, 68.8%, 7.8%, 74.9%)
CIE-LAB	lab(14.99, 27.10, -14.88)
CIE-LCH	lch(14.99, 30.92, 331.23°)
OKLab	oklab(27.85% 0.0777 -0.0407)
OKLCH	oklch(27.85% 0.088 332.3)
XYZ	xyz(3.1539, 1.9063, 4.3387)
Luminance	0.0191 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40143B #144019

analogous

#2F1440 #40143B #401425

triadic

#40143B #3B4014 #143B40

tetradic

#40143B #402F14 #144019 #142540

square

#40143B #402F14 #144019 #142540

split-complementary

#40143B #254014 #14402F

monochromatic

#170715 #170715 #40143B #6F2366 #9D3191

Accessibility & contrast

On white

15.20

#40143B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#40143B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40143B

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40143B	#FFFFFF	#000000	##FFFFFF
##40143B	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12223C

Deuteranopia (green-blind)

#21283A

Tritanopia (blue-blind)

#431825

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #40143b;
/* rgb */ color: rgb(64, 20, 59);
/* oklch */ color: oklch(27.9% 0.088 332.3);

Tailwind

colors: {
  custom: {
    50: '#775571',
    500: '#40143b',
    950: '#000000',
  },
}

SCSS

$custom: #40143b;
$custom-light: #775571;
$custom-dark: #000000;

JSON

{
  "hex": "#40143b",
  "rgb": {
    "r": 64,
    "g": 20,
    "b": 59
  },
  "hsl": {
    "h": 306.818,
    "s": 52.381,
    "l": 16.471
  },
  "oklch": {
    "l": 0.2785,
    "c": 0.08771,
    "h": 332.3
  },
  "luminance": 0.01906
}

Semantic roles & 50–950 ramp

primary

#40143B

secondary

#38783F

accent

#DC5C4C

background

#F7F5F6

surface

#EDE9EC

border

#C8C5C7

text

#090307

muted

#7B787A

Preview Lab

Preview with #40143B

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

Preview Lab → · Contrast checker → · Palette generator →