#371A78#371A78

#371A78 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.148 H 289.6°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#371A78
RGB	rgb(55, 26, 120)
HSL	hsl(259, 64%, 29%)
HSV	hsv(259, 78%, 47%)
CMYK	cmyk(54.2%, 78.3%, 0%, 52.9%)
CIE-LAB	lab(19.67, 37.69, -48.36)
CIE-LCH	lch(19.67, 61.32, 307.93°)
OKLab	oklab(32.44% 0.0494 -0.139)
OKLCH	oklch(32.44% 0.148 289.6)
XYZ	xyz(5.3341, 2.9068, 18.0457)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371A78 #5B781A

analogous

#1A2C78 #371A78 #661A78

triadic

#371A78 #78371A #1A7837

tetradic

#371A78 #781A2C #5B781A #1A7866

square

#371A78 #781A2C #5B781A #1A7866

split-complementary

#371A78 #78661A #2C781A

monochromatic

#0C0519 #200F46 #371A78 #4E25AA #6838D4

Accessibility & contrast

On white

13.28

#371A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#371A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371A78

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371A78	#FFFFFF	#000000	##FFFFFF
##371A78	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002D76

Tritanopia (blue-blind)

#1F3448

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #371a78;
/* rgb */ color: rgb(55, 26, 120);
/* oklch */ color: oklch(32.4% 0.148 289.6);

Tailwind

colors: {
  custom: {
    50: '#765aa0',
    500: '#371a78',
    950: '#000000',
  },
}

SCSS

$custom: #371a78;
$custom-light: #765aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#371a78",
  "rgb": {
    "r": 55,
    "g": 26,
    "b": 120
  },
  "hsl": {
    "h": 258.511,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32438,
    "c": 0.14753,
    "h": 289.6
  },
  "luminance": 0.02907
}

Semantic roles & 50–950 ramp

primary

#371A78

secondary

#8BAC41

accent

#E740B4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #371A78

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

Preview Lab → · Contrast checker → · Palette generator →