#3F1A73#3F1A73

#3F1A73 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.9% C 0.142 H 296.7°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F1A73
RGB	rgb(63, 26, 115)
HSL	hsl(265, 63%, 28%)
HSV	hsv(265, 77%, 45%)
CMYK	cmyk(45.2%, 77.4%, 0%, 54.9%)
CIE-LAB	lab(20.18, 37.61, -44.28)
CIE-LCH	lch(20.18, 58.10, 310.35°)
OKLab	oklab(32.88% 0.0637 -0.1267)
OKLCH	oklch(32.88% 0.142 296.7)
XYZ	xyz(5.5130, 3.0332, 16.5113)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.51

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1A73 #4E731A

analogous

#1A2173 #3F1A73 #6C1A73

triadic

#3F1A73 #733F1A #1A733F

tetradic

#3F1A73 #731A21 #4E731A #1A736C

square

#3F1A73 #731A21 #4E731A #1A736C

split-complementary

#3F1A73 #736C1A #21731A

monochromatic

#0E0619 #240F41 #3F1A73 #5A25A5 #7736D2

Accessibility & contrast

On white

13.07

#3F1A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#3F1A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1A73

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1A73	#FFFFFF	#000000	##FFFFFF
##3F1A73	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003176

Deuteranopia (green-blind)

#003071

Tritanopia (blue-blind)

#313145

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #3f1a73;
/* rgb */ color: rgb(63, 26, 115);
/* oklch */ color: oklch(32.9% 0.142 296.7);

Tailwind

colors: {
  custom: {
    50: '#7a5b9c',
    500: '#3f1a73',
    950: '#000000',
  },
}

SCSS

$custom: #3f1a73;
$custom-light: #7a5b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1a73",
  "rgb": {
    "r": 63,
    "g": 26,
    "b": 115
  },
  "hsl": {
    "h": 264.944,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.32875,
    "c": 0.14183,
    "h": 296.7
  },
  "luminance": 0.03033
}

Semantic roles & 50–950 ramp

primary

#3F1A73

secondary

#7DA841

accent

#E642A2

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #3F1A73

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

Preview Lab → · Contrast checker → · Palette generator →