#40187D#40187D

#40187D is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.7% C 0.156 H 294.3°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#40187D
RGB	rgb(64, 24, 125)
HSL	hsl(264, 68%, 29%)
HSV	hsv(264, 81%, 49%)
CMYK	cmyk(48.8%, 80.8%, 0%, 51%)
CIE-LAB	lab(20.92, 41.51, -49.46)
CIE-LCH	lch(20.92, 64.57, 310.01°)
OKLab	oklab(33.72% 0.0642 -0.1419)
OKLCH	oklch(33.72% 0.156 294.3)
XYZ	xyz(6.1416, 3.2237, 19.6967)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40187D #557D18

analogous

#18237D #40187D #73187D

triadic

#40187D #7D4018 #187D40

tetradic

#40187D #7D1823 #557D18 #187D73

square

#40187D #7D1823 #557D18 #187D73

split-complementary

#40187D #7D7318 #237D18

monochromatic

#0D051A #260E4A #40187D #5A22B0 #7737D9

Accessibility & contrast

On white

12.77

#40187D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#40187D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40187D

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40187D	#FFFFFF	#000000	##FFFFFF
##40187D	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#2E344A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40187d;
/* rgb */ color: rgb(64, 24, 125);
/* oklch */ color: oklch(33.7% 0.156 294.3);

Tailwind

colors: {
  custom: {
    50: '#7c5aa4',
    500: '#40187d',
    950: '#000000',
  },
}

SCSS

$custom: #40187d;
$custom-light: #7c5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#40187d",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 125
  },
  "hsl": {
    "h": 263.762,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33715,
    "c": 0.15571,
    "h": 294.3
  },
  "luminance": 0.03224
}

Semantic roles & 50–950 ramp

primary

#40187D

secondary

#84B23F

accent

#EB3DA6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40187D

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

Preview Lab → · Contrast checker → · Palette generator →