#1F0B4A#1F0B4A

#1F0B4A is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.0% C 0.107 H 289.6°. Best body text is #FFFFFF at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B4A
RGB	rgb(31, 11, 74)
HSL	hsl(259, 74%, 17%)
HSV	hsv(259, 85%, 29%)
CMYK	cmyk(58.1%, 85.1%, 0%, 71%)
CIE-LAB	lab(9.20, 27.57, -35.02)
CIE-LCH	lch(9.20, 44.57, 308.22°)
OKLab	oklab(22.97% 0.0359 -0.1007)
OKLCH	oklch(22.97% 0.107 289.6)
XYZ	xyz(1.9204, 1.0250, 6.5739)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B4A #364A0B

analogous

#0B164A #1F0B4A #3F0B4A

triadic

#1F0B4A #4A1F0B #0B4A1F

tetradic

#1F0B4A #4A0B16 #364A0B #0B4A3F

square

#1F0B4A #4A0B16 #364A0B #0B4A3F

split-complementary

#1F0B4A #4A3F0B #164A0B

monochromatic

#0B041B #0B041B #1F0B4A #35137F #4C1BB5

Accessibility & contrast

On white

17.43

#1F0B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1F0B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B4A

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B4A	#FFFFFF	#000000	##FFFFFF
##1F0B4A	1.00	17.43	1.21	17.43
#FFFFFF	17.43	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4C

Deuteranopia (green-blind)

#001849

Tritanopia (blue-blind)

#0F1D2A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1f0b4a;
/* rgb */ color: rgb(31, 11, 74);
/* oklch */ color: oklch(23.0% 0.107 289.6);

Tailwind

colors: {
  custom: {
    50: '#614c7d',
    500: '#1f0b4a',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b4a;
$custom-light: #614c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b4a",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 259.048,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.22966,
    "c": 0.10688,
    "h": 289.6
  },
  "luminance": 0.01025
}

Semantic roles & 50–950 ramp

primary

#1F0B4A

secondary

#69862B

accent

#F137B6

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05010A

muted

#7A777C

Preview Lab

Preview with #1F0B4A

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

Preview Lab → · Contrast checker → · Palette generator →