#3F2571#3F2571

#3F2571 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.3% C 0.125 H 294.7°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F2571
RGB	rgb(63, 37, 113)
HSL	hsl(261, 51%, 29%)
HSV	hsv(261, 67%, 44%)
CMYK	cmyk(44.2%, 67.3%, 0%, 55.7%)
CIE-LAB	lab(22.20, 30.94, -39.69)
CIE-LCH	lch(22.20, 50.33, 307.94°)
OKLab	oklab(34.27% 0.052 -0.1133)
OKLCH	oklch(34.27% 0.125 294.7)
XYZ	xyz(5.6913, 3.5720, 16.0092)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue

#191970

ΔE00 6.40

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2571 #577125

analogous

#253171 #3F2571 #652571

triadic

#3F2571 #713F25 #25713F

tetradic

#3F2571 #712531 #577125 #257165

square

#3F2571 #712531 #577125 #257165

split-complementary

#3F2571 #716525 #317125

monochromatic

#0D0817 #251643 #3F2571 #59349F #754CC4

Accessibility & contrast

On white

12.25

#3F2571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#3F2571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2571

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2571	#FFFFFF	#000000	##FFFFFF
##3F2571	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#323747

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3f2571;
/* rgb */ color: rgb(63, 37, 113);
/* oklch */ color: oklch(34.3% 0.125 294.7);

Tailwind

colors: {
  custom: {
    50: '#79619a',
    500: '#3f2571',
    950: '#000000',
  },
}

SCSS

$custom: #3f2571;
$custom-light: #79619a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2571",
  "rgb": {
    "r": 63,
    "g": 37,
    "b": 113
  },
  "hsl": {
    "h": 260.526,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34269,
    "c": 0.12467,
    "h": 294.7
  },
  "luminance": 0.03572
}

Semantic roles & 50–950 ramp

primary

#3F2571

secondary

#86A44E

accent

#DA4EAA

background

#F7F5F9

surface

#EEEAF2

border

#C9C6CC

text

#09050E

muted

#7B797E

Preview Lab

Preview with #3F2571

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

Preview Lab → · Contrast checker → · Palette generator →