#40174B#40174B

#40174B is a dark, moderate purple. Relative luminance 0.022; OKLCH L 29.3% C 0.099 H 318.6°. Best body text is #FFFFFF at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#40174B
RGB	rgb(64, 23, 75)
HSL	hsl(287, 53%, 19%)
HSV	hsv(287, 69%, 29%)
CMYK	cmyk(14.7%, 69.3%, 0%, 70.6%)
CIE-LAB	lab(16.56, 28.98, -23.56)
CIE-LCH	lch(16.56, 37.35, 320.89°)
OKLab	oklab(29.31% 0.0746 -0.0658)
OKLCH	oklch(29.31% 0.099 318.6)
XYZ	xyz(3.6906, 2.2109, 6.8876)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40174B #224B17

analogous

#26174B #40174B #4B173C

triadic

#40174B #4B4017 #174B40

tetradic

#40174B #4B2617 #224B17 #173C4B

square

#40174B #4B2617 #224B17 #173C4B

split-complementary

#40174B #3C4B17 #174B26

monochromatic

#140717 #18091C #40174B #68257A #9034A9

Accessibility & contrast

On white

14.56

#40174B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#40174B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40174B

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40174B	#FFFFFF	#000000	##FFFFFF
##40174B	1.00	14.56	1.44	14.56
#FFFFFF	14.56	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08264D

Deuteranopia (green-blind)

#1A2A4A

Tritanopia (blue-blind)

#40202E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #40174b;
/* rgb */ color: rgb(64, 23, 75);
/* oklch */ color: oklch(29.3% 0.099 318.6);

Tailwind

colors: {
  custom: {
    50: '#77577d',
    500: '#40174b',
    950: '#000000',
  },
}

SCSS

$custom: #40174b;
$custom-light: #77577d;
$custom-dark: #000000;

JSON

{
  "hex": "#40174b",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 75
  },
  "hsl": {
    "h": 287.308,
    "s": 53.061,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29312,
    "c": 0.09946,
    "h": 318.6
  },
  "luminance": 0.02211
}

Semantic roles & 50–950 ramp

primary

#40174B

secondary

#4B823C

accent

#DC4B6A

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #40174B

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

Preview Lab → · Contrast checker → · Palette generator →