#40177C#40177C

#40177C is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.156 H 294.8°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#40177C
RGB	rgb(64, 23, 124)
HSL	hsl(264, 69%, 29%)
HSV	hsv(264, 81%, 49%)
CMYK	cmyk(48.4%, 81.5%, 0%, 51.4%)
CIE-LAB	lab(20.67, 41.68, -49.24)
CIE-LCH	lch(20.67, 64.51, 310.25°)
OKLab	oklab(33.51% 0.0653 -0.1412)
OKLCH	oklch(33.51% 0.156 294.8)
XYZ	xyz(6.0578, 3.1578, 19.3552)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40177C #537C17

analogous

#17217C #40177C #73177C

triadic

#40177C #7C4017 #177C40

tetradic

#40177C #7C1721 #537C17 #177C73

square

#40177C #7C1721 #537C17 #177C73

split-complementary

#40177C #7C7317 #217C17

monochromatic

#0D051A #250D48 #40177C #5B21B0 #7734D9

Accessibility & contrast

On white

12.87

#40177C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#40177C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40177C

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40177C	#FFFFFF	#000000	##FFFFFF
##40177C	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#2E3349

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40177c;
/* rgb */ color: rgb(64, 23, 124);
/* oklch */ color: oklch(33.5% 0.156 294.8);

Tailwind

colors: {
  custom: {
    50: '#7c5aa3',
    500: '#40177c',
    950: '#000000',
  },
}

SCSS

$custom: #40177c;
$custom-light: #7c5aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#40177c",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 124
  },
  "hsl": {
    "h": 264.356,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33508,
    "c": 0.15559,
    "h": 294.8
  },
  "luminance": 0.03158
}

Semantic roles & 50–950 ramp

primary

#40177C

secondary

#82B13E

accent

#EC3CA4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40177C

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

Preview Lab → · Contrast checker → · Palette generator →