#3F1B88#3F1B88

#3F1B88 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.0% C 0.165 H 290.1°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#3F1B88
RGB	rgb(63, 27, 136)
HSL	hsl(260, 67%, 32%)
HSV	hsv(260, 80%, 53%)
CMYK	cmyk(53.7%, 80.1%, 0%, 46.7%)
CIE-LAB	lab(22.37, 43.05, -54.03)
CIE-LCH	lch(22.37, 69.09, 308.55°)
OKLab	oklab(35.03% 0.0567 -0.1553)
OKLCH	oklch(35.03% 0.165 290.1)
XYZ	xyz(6.8845, 3.6179, 23.6234)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.51

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1B88 #64881B

analogous

#1B2D88 #3F1B88 #761B88

triadic

#3F1B88 #883F1B #1B883F

tetradic

#3F1B88 #881B2D #64881B #1B8876

square

#3F1B88 #881B2D #64881B #1B8876

split-complementary

#3F1B88 #88761B #2D881B

monochromatic

#100722 #271155 #3F1B88 #5725BB #7544DA

Accessibility & contrast

On white

12.18

#3F1B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#3F1B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1B88

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1B88	#FFFFFF	#000000	##FFFFFF
##3F1B88	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378B

Deuteranopia (green-blind)

#003386

Tritanopia (blue-blind)

#243A51

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3f1b88;
/* rgb */ color: rgb(63, 27, 136);
/* oklch */ color: oklch(35.0% 0.165 290.1);

Tailwind

colors: {
  custom: {
    50: '#7d5cac',
    500: '#3f1b88',
    950: '#000000',
  },
}

SCSS

$custom: #3f1b88;
$custom-light: #7d5cac;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1b88",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 136
  },
  "hsl": {
    "h": 259.817,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35026,
    "c": 0.16535,
    "h": 290.1
  },
  "luminance": 0.03618
}

Semantic roles & 50–950 ramp

primary

#3F1B88

secondary

#94BB44

accent

#EA3EB1

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #3F1B88

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

Preview Lab → · Contrast checker → · Palette generator →