#3F104E#3F104E

#3F104E is a dark, moderate purple. Relative luminance 0.020; OKLCH L 28.5% C 0.113 H 316.6°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F104E
RGB	rgb(63, 16, 78)
HSL	hsl(285, 66%, 18%)
HSV	hsv(285, 79%, 31%)
CMYK	cmyk(19.2%, 79.5%, 0%, 69.4%)
CIE-LAB	lab(15.37, 32.86, -27.53)
CIE-LCH	lch(15.37, 42.87, 320.05°)
OKLab	oklab(28.49% 0.0819 -0.0774)
OKLCH	oklch(28.49% 0.113 316.6)
XYZ	xyz(3.6101, 1.9775, 7.3978)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F104E #1F4E10

analogous

#20104E #3F104E #4E103E

triadic

#3F104E #4E3F10 #104E3F

tetradic

#3F104E #4E2010 #1F4E10 #103E4E

square

#3F104E #4E2010 #1F4E10 #103E4E

split-complementary

#3F104E #3E4E10 #104E20

monochromatic

#150519 #16061B #3F104E #681A81 #9125B4

Accessibility & contrast

On white

15.05

#3F104E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#3F104E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F104E

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F104E	#FFFFFF	#000000	##FFFFFF
##3F104E	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002450

Deuteranopia (green-blind)

#10284D

Tritanopia (blue-blind)

#3E1D2E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #3f104e;
/* rgb */ color: rgb(63, 16, 78);
/* oklch */ color: oklch(28.5% 0.113 316.6);

Tailwind

colors: {
  custom: {
    50: '#775380',
    500: '#3f104e',
    950: '#000000',
  },
}

SCSS

$custom: #3f104e;
$custom-light: #775380;
$custom-dark: #000000;

JSON

{
  "hex": "#3f104e",
  "rgb": {
    "r": 63,
    "g": 16,
    "b": 78
  },
  "hsl": {
    "h": 285.484,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28493,
    "c": 0.11274,
    "h": 316.6
  },
  "luminance": 0.01977
}

Semantic roles & 50–950 ramp

primary

#3F104E

secondary

#478832

accent

#E93F68

background

#F7F4F7

surface

#EDE8EE

border

#C8C4C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #3F104E

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

Preview Lab → · Contrast checker → · Palette generator →