#40177B#40177B

#40177B is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.4% C 0.154 H 295.1°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#40177B
RGB	rgb(64, 23, 123)
HSL	hsl(265, 68%, 29%)
HSV	hsv(265, 81%, 48%)
CMYK	cmyk(48%, 81.3%, 0%, 51.8%)
CIE-LAB	lab(20.57, 41.41, -48.76)
CIE-LCH	lch(20.57, 63.97, 310.34°)
OKLab	oklab(33.41% 0.0656 -0.1398)
OKLCH	oklch(33.41% 0.154 295.1)
XYZ	xyz(5.9949, 3.1327, 19.0239)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40177B #527B17

analogous

#17207B #40177B #72177B

triadic

#40177B #7B4017 #177B40

tetradic

#40177B #7B1720 #527B17 #177B72

square

#40177B #7B1720 #527B17 #177B72

split-complementary

#40177B #7B7217 #207B17

monochromatic

#0D051A #250D47 #40177B #5B21AF #7733D9

Accessibility & contrast

On white

12.91

#40177B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#40177B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40177B

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40177B	#FFFFFF	#000000	##FFFFFF
##40177B	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#2F3349

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40177b;
/* rgb */ color: rgb(64, 23, 123);
/* oklch */ color: oklch(33.4% 0.154 295.1);

Tailwind

colors: {
  custom: {
    50: '#7c5aa2',
    500: '#40177b',
    950: '#000000',
  },
}

SCSS

$custom: #40177b;
$custom-light: #7c5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#40177b",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 123
  },
  "hsl": {
    "h": 264.6,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33411,
    "c": 0.15446,
    "h": 295.1
  },
  "luminance": 0.03133
}

Semantic roles & 50–950 ramp

primary

#40177B

secondary

#81B03E

accent

#EB3CA4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40177B

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

Preview Lab → · Contrast checker → · Palette generator →