#3F1FA5#3F1FA5

#3F1FA5 is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.195 H 283.2°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F1FA5
RGB	rgb(63, 31, 165)
HSL	hsl(254, 68%, 38%)
HSV	hsv(254, 81%, 65%)
CMYK	cmyk(61.8%, 81.2%, 0%, 35.3%)
CIE-LAB	lab(26.02, 49.53, -65.87)
CIE-LCH	lch(26.02, 82.42, 306.94°)
OKLab	oklab(38.47% 0.0447 -0.1899)
OKLCH	oklch(38.47% 0.195 283.2)
XYZ	xyz(9.3293, 4.7527, 36.0158)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1FA5 #85A51F

analogous

#1F42A5 #3F1FA5 #821FA5

triadic

#3F1FA5 #A53F1F #1FA53F

tetradic

#3F1FA5 #A51F42 #85A51F #1FA582

square

#3F1FA5 #A51F42 #85A51F #1FA582

split-complementary

#3F1FA5 #A5821F #42A51F

monochromatic

#180C3E #2B1571 #3F1FA5 #532AD7 #7D5EE1

Accessibility & contrast

On white

10.77

#3F1FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3F1FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1FA5

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1FA5	#FFFFFF	#000000	##FFFFFF
##3F1FA5	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A9

Deuteranopia (green-blind)

#0039A3

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f1fa5;
/* rgb */ color: rgb(63, 31, 165);
/* oklch */ color: oklch(38.5% 0.195 283.2);

Tailwind

colors: {
  custom: {
    50: '#8260c1',
    500: '#3f1fa5',
    950: '#000000',
  },
}

SCSS

$custom: #3f1fa5;
$custom-light: #8260c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1fa5",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 254.328,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38466,
    "c": 0.19514,
    "h": 283.2
  },
  "luminance": 0.04753
}

Semantic roles & 50–950 ramp

primary

#3F1FA5

secondary

#ACC55B

accent

#EB3DC2

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #3F1FA5

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

Preview Lab → · Contrast checker → · Palette generator →