#40187F#40187F

#40187F is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.158 H 293.7°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#40187F
RGB	rgb(64, 24, 127)
HSL	hsl(263, 68%, 30%)
HSV	hsv(263, 81%, 50%)
CMYK	cmyk(49.6%, 81.1%, 0%, 50.2%)
CIE-LAB	lab(21.11, 42.06, -50.41)
CIE-LCH	lch(21.11, 65.65, 309.84°)
OKLab	oklab(33.91% 0.0635 -0.1446)
OKLCH	oklch(33.91% 0.158 293.7)
XYZ	xyz(6.2707, 3.2754, 20.3764)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40187F #577F18

analogous

#18247F #40187F #74187F

triadic

#40187F #7F4018 #187F40

tetradic

#40187F #7F1824 #577F18 #187F74

square

#40187F #7F1824 #577F18 #187F74

split-complementary

#40187F #7F7418 #247F18

monochromatic

#0D051A #260E4C #40187F #5A22B2 #7738D9

Accessibility & contrast

On white

12.69

#40187F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#40187F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40187F

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40187F	#FFFFFF	#000000	##FFFFFF
##40187F	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#2D354B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #40187f;
/* rgb */ color: rgb(64, 24, 127);
/* oklch */ color: oklch(33.9% 0.158 293.7);

Tailwind

colors: {
  custom: {
    50: '#7c5aa5',
    500: '#40187f',
    950: '#000000',
  },
}

SCSS

$custom: #40187f;
$custom-light: #7c5aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#40187f",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 127
  },
  "hsl": {
    "h": 263.301,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33911,
    "c": 0.15799,
    "h": 293.7
  },
  "luminance": 0.03276
}

Semantic roles & 50–950 ramp

primary

#40187F

secondary

#86B33F

accent

#EB3DA7

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40187F

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

Preview Lab → · Contrast checker → · Palette generator →