#40107E#40107E

#40107E is a dark, vivid violet. Relative luminance 0.030; OKLCH L 33.0% C 0.164 H 295.1°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#40107E
RGB	rgb(64, 16, 126)
HSL	hsl(266, 77%, 28%)
HSV	hsv(266, 87%, 49%)
CMYK	cmyk(49.2%, 87.3%, 0%, 50.6%)
CIE-LAB	lab(19.91, 45.01, -51.75)
CIE-LCH	lch(19.91, 68.59, 311.01°)
OKLab	oklab(33.05% 0.0696 -0.1485)
OKLCH	oklch(33.05% 0.164 295.1)
XYZ	xyz(6.0645, 2.9668, 19.9877)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40107E #4E7E10

analogous

#10177E #40107E #77107E

triadic

#40107E #7E4010 #107E40

tetradic

#40107E #7E1017 #4E7E10 #107E77

square

#40107E #7E1017 #4E7E10 #107E77

split-complementary

#40107E #7E7710 #177E10

monochromatic

#0E031B #240948 #40107E #5C17B4 #7825E3

Accessibility & contrast

On white

13.18

#40107E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#40107E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40107E

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40107E	#FFFFFF	#000000	##FFFFFF
##40107E	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003181

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#2D3249

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #40107e;
/* rgb */ color: rgb(64, 16, 126);
/* oklch */ color: oklch(33.0% 0.164 295.1);

Tailwind

colors: {
  custom: {
    50: '#7d57a4',
    500: '#40107e',
    950: '#000000',
  },
}

SCSS

$custom: #40107e;
$custom-light: #7d57a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40107e",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 126
  },
  "hsl": {
    "h": 266.182,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.33048,
    "c": 0.164,
    "h": 295.1
  },
  "luminance": 0.02967
}

Semantic roles & 50–950 ramp

primary

#40107E

secondary

#7DB436

accent

#F434A0

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A030F

muted

#7C787F

Preview Lab

Preview with #40107E

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

Preview Lab → · Contrast checker → · Palette generator →