#40187E#40187E

#40187E is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.157 H 294.0°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#40187E
RGB	rgb(64, 24, 126)
HSL	hsl(264, 68%, 29%)
HSV	hsv(264, 81%, 49%)
CMYK	cmyk(49.2%, 81%, 0%, 50.6%)
CIE-LAB	lab(21.02, 41.78, -49.93)
CIE-LCH	lch(21.02, 65.11, 309.92°)
OKLab	oklab(33.81% 0.0639 -0.1433)
OKLCH	oklch(33.81% 0.157 294)
XYZ	xyz(6.2058, 3.2494, 20.0348)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40187E #567E18

analogous

#18237E #40187E #73187E

triadic

#40187E #7E4018 #187E40

tetradic

#40187E #7E1823 #567E18 #187E73

square

#40187E #7E1823 #567E18 #187E73

split-complementary

#40187E #7E7318 #237E18

monochromatic

#0D051A #260E4B #40187E #5A22B1 #7737D9

Accessibility & contrast

On white

12.73

#40187E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#40187E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40187E

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40187E	#FFFFFF	#000000	##FFFFFF
##40187E	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#00317C

Tritanopia (blue-blind)

#2D354B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40187e;
/* rgb */ color: rgb(64, 24, 126);
/* oklch */ color: oklch(33.8% 0.157 294.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40187e",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 126
  },
  "hsl": {
    "h": 263.529,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33813,
    "c": 0.15685,
    "h": 294
  },
  "luminance": 0.0325
}

Semantic roles & 50–950 ramp

primary

#40187E

secondary

#85B23F

accent

#EB3DA7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40187E

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

Preview Lab → · Contrast checker → · Palette generator →