#40177D#40177D

#40177D is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.157 H 294.5°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#40177D
RGB	rgb(64, 23, 125)
HSL	hsl(264, 69%, 29%)
HSV	hsv(264, 82%, 49%)
CMYK	cmyk(48.8%, 81.6%, 0%, 51%)
CIE-LAB	lab(20.76, 41.96, -49.71)
CIE-LCH	lch(20.76, 65.05, 310.16°)
OKLab	oklab(33.61% 0.065 -0.1426)
OKLCH	oklch(33.61% 0.157 294.5)
XYZ	xyz(6.1214, 3.1833, 19.6900)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40177D #547D17

analogous

#17217D #40177D #73177D

triadic

#40177D #7D4017 #177D40

tetradic

#40177D #7D1721 #547D17 #177D73

square

#40177D #7D1721 #547D17 #177D73

split-complementary

#40177D #7D7317 #217D17

monochromatic

#0D051A #260D49 #40177D #5A21B1 #7735DA

Accessibility & contrast

On white

12.83

#40177D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#40177D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40177D

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40177D	#FFFFFF	#000000	##FFFFFF
##40177D	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#2E344A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40177d;
/* rgb */ color: rgb(64, 23, 125);
/* oklch */ color: oklch(33.6% 0.157 294.5);

Tailwind

colors: {
  custom: {
    50: '#7c5aa4',
    500: '#40177d',
    950: '#000000',
  },
}

SCSS

$custom: #40177d;
$custom-light: #7c5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#40177d",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 125
  },
  "hsl": {
    "h": 264.118,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33607,
    "c": 0.15672,
    "h": 294.5
  },
  "luminance": 0.03183
}

Semantic roles & 50–950 ramp

primary

#40177D

secondary

#83B23E

accent

#EC3CA5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40177D

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

Preview Lab → · Contrast checker → · Palette generator →