#3F185B#3F185B

#3F185B is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.5% C 0.116 H 307.5°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F185B
RGB	rgb(63, 24, 91)
HSL	hsl(275, 58%, 23%)
HSV	hsv(275, 74%, 36%)
CMYK	cmyk(30.8%, 73.6%, 0%, 64.3%)
CIE-LAB	lab(17.76, 32.15, -32.47)
CIE-LCH	lch(17.76, 45.69, 314.72°)
OKLab	oklab(30.52% 0.0707 -0.092)
OKLCH	oklch(30.52% 0.116 307.5)
XYZ	xyz(4.2645, 2.4654, 10.1467)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F185B #345B18

analogous

#1D185B #3F185B #5B1856

triadic

#3F185B #5B3F18 #185B3F

tetradic

#3F185B #5B1D18 #345B18 #18565B

square

#3F185B #5B1D18 #345B18 #18565B

split-complementary

#3F185B #565B18 #185B1D

monochromatic

#110618 #1D0B2B #3F185B #61258B #8232BC

Accessibility & contrast

On white

14.07

#3F185B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#3F185B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F185B

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F185B	#FFFFFF	#000000	##FFFFFF
##3F185B	1.00	14.07	1.49	14.07
#FFFFFF	14.07	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#072C5A

Tritanopia (blue-blind)

#3A2737

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #3f185b;
/* rgb */ color: rgb(63, 24, 91);
/* oklch */ color: oklch(30.5% 0.116 307.5);

Tailwind

colors: {
  custom: {
    50: '#77588a',
    500: '#3f185b',
    950: '#000000',
  },
}

SCSS

$custom: #3f185b;
$custom-light: #77588a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f185b",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 91
  },
  "hsl": {
    "h": 274.925,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3052,
    "c": 0.11603,
    "h": 307.5
  },
  "luminance": 0.02465
}

Semantic roles & 50–950 ramp

primary

#3F185B

secondary

#60923D

accent

#E14687

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #3F185B

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

Preview Lab → · Contrast checker → · Palette generator →