#1F0B4E#1F0B4E

#1F0B4E is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.4% C 0.112 H 287.9°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B4E
RGB	rgb(31, 11, 78)
HSL	hsl(258, 75%, 17%)
HSV	hsv(258, 86%, 31%)
CMYK	cmyk(60.3%, 85.9%, 0%, 69.4%)
CIE-LAB	lab(9.65, 28.85, -37.06)
CIE-LCH	lch(9.65, 46.96, 307.91°)
OKLab	oklab(23.41% 0.0345 -0.1066)
OKLCH	oklch(23.41% 0.112 287.9)
XYZ	xyz(2.0595, 1.0806, 7.3063)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B4E #3A4E0B

analogous

#0B194E #1F0B4E #400B4E

triadic

#1F0B4E #4E1F0B #0B4E1F

tetradic

#1F0B4E #4E0B19 #3A4E0B #0B4E40

square

#1F0B4E #4E0B19 #3A4E0B #0B4E40

split-complementary

#1F0B4E #4E400B #194E0B

monochromatic

#0B041B #0B041B #1F0B4E #341384 #4A1AB9

Accessibility & contrast

On white

17.27

#1F0B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#1F0B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B4E

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B4E	#FFFFFF	#000000	##FFFFFF
##1F0B4E	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C50

Deuteranopia (green-blind)

#00194D

Tritanopia (blue-blind)

#0B1E2C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1f0b4e;
/* rgb */ color: rgb(31, 11, 78);
/* oklch */ color: oklch(23.4% 0.112 287.9);

Tailwind

colors: {
  custom: {
    50: '#624d80',
    500: '#1f0b4e',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b4e;
$custom-light: #624d80;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b4e",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 78
  },
  "hsl": {
    "h": 257.91,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23414,
    "c": 0.11208,
    "h": 287.9
  },
  "luminance": 0.01081
}

Semantic roles & 50–950 ramp

primary

#1F0B4E

secondary

#6E8A2B

accent

#F236BA

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05010A

muted

#7A777C

Preview Lab

Preview with #1F0B4E

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

Preview Lab → · Contrast checker → · Palette generator →