#3B104A#3B104A

#3B104A is a dark, moderate purple. Relative luminance 0.018; OKLCH L 27.5% C 0.107 H 315.9°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#3B104A
RGB	rgb(59, 16, 74)
HSL	hsl(284, 64%, 18%)
HSV	hsv(284, 78%, 29%)
CMYK	cmyk(20.3%, 78.4%, 0%, 71%)
CIE-LAB	lab(14.37, 30.95, -26.41)
CIE-LCH	lch(14.37, 40.69, 319.53°)
OKLab	oklab(27.55% 0.0766 -0.0743)
OKLCH	oklch(27.55% 0.107 315.9)
XYZ	xyz(3.2248, 1.7949, 6.6538)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B104A #1F4A10

analogous

#1E104A #3B104A #4A103C

triadic

#3B104A #4A3B10 #104A3B

tetradic

#3B104A #4A1E10 #1F4A10 #103C4A

square

#3B104A #4A1E10 #1F4A10 #103C4A

split-complementary

#3B104A #3C4A10 #104A1E

monochromatic

#140519 #140519 #3B104A #631B7C #8B26AF

Accessibility & contrast

On white

15.45

#3B104A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#3B104A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B104A

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B104A	#FFFFFF	#000000	##FFFFFF
##3B104A	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224C

Deuteranopia (green-blind)

#0F2649

Tritanopia (blue-blind)

#3A1C2B

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #3b104a;
/* rgb */ color: rgb(59, 16, 74);
/* oklch */ color: oklch(27.5% 0.107 315.9);

Tailwind

colors: {
  custom: {
    50: '#73537d',
    500: '#3b104a',
    950: '#000000',
  },
}

SCSS

$custom: #3b104a;
$custom-light: #73537d;
$custom-dark: #000000;

JSON

{
  "hex": "#3b104a",
  "rgb": {
    "r": 59,
    "g": 16,
    "b": 74
  },
  "hsl": {
    "h": 284.483,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27545,
    "c": 0.10672,
    "h": 315.9
  },
  "luminance": 0.01795
}

Semantic roles & 50–950 ramp

primary

#3B104A

secondary

#478432

accent

#E7406C

background

#F7F4F7

surface

#EDE7EE

border

#C8C3C9

text

#080209

muted

#7B787B

Preview Lab

Preview with #3B104A

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

Preview Lab → · Contrast checker → · Palette generator →