#3F1866#3F1866

#3F1866 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.129 H 302.2°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F1866
RGB	rgb(63, 24, 102)
HSL	hsl(270, 62%, 25%)
HSV	hsv(270, 76%, 40%)
CMYK	cmyk(38.2%, 76.5%, 0%, 60%)
CIE-LAB	lab(18.67, 35.05, -38.28)
CIE-LCH	lch(18.67, 51.91, 312.48°)
OKLab	oklab(31.45% 0.0688 -0.1091)
OKLCH	oklch(31.45% 0.129 302.2)
XYZ	xyz(4.7742, 2.6693, 12.8315)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1866 #3F6618

analogous

#181866 #3F1866 #661866

triadic

#3F1866 #663F18 #18663F

tetradic

#3F1866 #661818 #3F6618 #186666

square

#3F1866 #661818 #3F6618 #186666

split-complementary

#3F1866 #666618 #186618

monochromatic

#0F0619 #200C34 #3F1866 #5E2498 #7C2FC9

Accessibility & contrast

On white

13.69

#3F1866 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#3F1866 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1866

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1866	#FFFFFF	#000000	##FFFFFF
##3F1866	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D68

Deuteranopia (green-blind)

#002D64

Tritanopia (blue-blind)

#372B3D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #3f1866;
/* rgb */ color: rgb(63, 24, 102);
/* oklch */ color: oklch(31.4% 0.129 302.2);

Tailwind

colors: {
  custom: {
    50: '#785992',
    500: '#3f1866',
    950: '#000000',
  },
}

SCSS

$custom: #3f1866;
$custom-light: #785992;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1866",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 102
  },
  "hsl": {
    "h": 270,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3145,
    "c": 0.12898,
    "h": 302.2
  },
  "luminance": 0.02669
}

Semantic roles & 50–950 ramp

primary

#3F1866

secondary

#6D9C3E

accent

#E54394

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#09040D

muted

#7B797E

Preview Lab

Preview with #3F1866

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

Preview Lab → · Contrast checker → · Palette generator →