#1F0B4B#1F0B4B

#1F0B4B is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.1% C 0.108 H 289.2°. Best body text is #FFFFFF at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B4B
RGB	rgb(31, 11, 75)
HSL	hsl(259, 74%, 17%)
HSV	hsv(259, 85%, 29%)
CMYK	cmyk(58.7%, 85.3%, 0%, 70.6%)
CIE-LAB	lab(9.31, 27.89, -35.53)
CIE-LCH	lch(9.31, 45.17, 308.13°)
OKLab	oklab(23.08% 0.0356 -0.1022)
OKLCH	oklch(23.08% 0.108 289.2)
XYZ	xyz(1.9544, 1.0386, 6.7527)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B4B #374B0B

analogous

#0B174B #1F0B4B #3F0B4B

triadic

#1F0B4B #4B1F0B #0B4B1F

tetradic

#1F0B4B #4B0B17 #374B0B #0B4B3F

square

#1F0B4B #4B0B17 #374B0B #0B4B3F

split-complementary

#1F0B4B #4B3F0B #174B0B

monochromatic

#0B041B #0B041B #1F0B4B #351380 #4B1BB6

Accessibility & contrast

On white

17.39

#1F0B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1F0B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B4B

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B4B	#FFFFFF	#000000	##FFFFFF
##1F0B4B	1.00	17.39	1.21	17.39
#FFFFFF	17.39	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4D

Deuteranopia (green-blind)

#00184A

Tritanopia (blue-blind)

#0E1D2B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1f0b4b;
/* rgb */ color: rgb(31, 11, 75);
/* oklch */ color: oklch(23.1% 0.108 289.2);

Tailwind

colors: {
  custom: {
    50: '#614c7e',
    500: '#1f0b4b',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b4b;
$custom-light: #614c7e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b4b",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 75
  },
  "hsl": {
    "h": 258.75,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.23077,
    "c": 0.10818,
    "h": 289.2
  },
  "luminance": 0.01039
}

Semantic roles & 50–950 ramp

primary

#1F0B4B

secondary

#6A872B

accent

#F137B7

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05010A

muted

#7A777C

Preview Lab

Preview with #1F0B4B

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

Preview Lab → · Contrast checker → · Palette generator →