#3F1DA8#3F1DA8

#3F1DA8 is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.6% C 0.200 H 282.9°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F1DA8
RGB	rgb(63, 29, 168)
HSL	hsl(255, 71%, 39%)
HSV	hsv(255, 83%, 66%)
CMYK	cmyk(62.5%, 82.7%, 0%, 34.1%)
CIE-LAB	lab(26.05, 51.26, -67.64)
CIE-LCH	lch(26.05, 84.87, 307.15°)
OKLab	oklab(38.58% 0.0448 -0.1951)
OKLCH	oklch(38.58% 0.2 282.9)
XYZ	xyz(9.5550, 4.7620, 37.4538)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1DA8 #86A81D

analogous

#1D41A8 #3F1DA8 #841DA8

triadic

#3F1DA8 #A83F1D #1DA83F

tetradic

#3F1DA8 #A81D41 #86A81D #1DA884

square

#3F1DA8 #A81D41 #86A81D #1DA884

split-complementary

#3F1DA8 #A8841D #41A81D

monochromatic

#180B40 #2B1474 #3F1DA8 #5428DA #7D5CE3

Accessibility & contrast

On white

10.75

#3F1DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3F1DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1DA8

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1DA8	#FFFFFF	#000000	##FFFFFF
##3F1DA8	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f1da8;
/* rgb */ color: rgb(63, 29, 168);
/* oklch */ color: oklch(38.6% 0.200 282.9);

Tailwind

colors: {
  custom: {
    50: '#825fc3',
    500: '#3f1da8',
    950: '#000000',
  },
}

SCSS

$custom: #3f1da8;
$custom-light: #825fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1da8",
  "rgb": {
    "r": 63,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 254.676,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38581,
    "c": 0.20015,
    "h": 282.9
  },
  "luminance": 0.04763
}

Semantic roles & 50–950 ramp

primary

#3F1DA8

secondary

#ACC75A

accent

#ED3AC2

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3F1DA8

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

Preview Lab → · Contrast checker → · Palette generator →