#1F0B4D#1F0B4D

#1F0B4D is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.3% C 0.111 H 288.4°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B4D
RGB	rgb(31, 11, 77)
HSL	hsl(258, 75%, 17%)
HSV	hsv(258, 86%, 30%)
CMYK	cmyk(59.7%, 85.7%, 0%, 69.8%)
CIE-LAB	lab(9.53, 28.53, -36.55)
CIE-LCH	lch(9.53, 46.37, 307.98°)
OKLab	oklab(23.3% 0.0349 -0.1051)
OKLCH	oklch(23.3% 0.111 288.4)
XYZ	xyz(2.0239, 1.0664, 7.1189)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B4D #394D0B

analogous

#0B184D #1F0B4D #400B4D

triadic

#1F0B4D #4D1F0B #0B4D1F

tetradic

#1F0B4D #4D0B18 #394D0B #0B4D40

square

#1F0B4D #4D0B18 #394D0B #0B4D40

split-complementary

#1F0B4D #4D400B #184D0B

monochromatic

#0B041B #0B041B #1F0B4D #351383 #4A1AB8

Accessibility & contrast

On white

17.31

#1F0B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1F0B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B4D

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B4D	#FFFFFF	#000000	##FFFFFF
##1F0B4D	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4F

Deuteranopia (green-blind)

#00194C

Tritanopia (blue-blind)

#0C1E2C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1f0b4d;
/* rgb */ color: rgb(31, 11, 77);
/* oklch */ color: oklch(23.3% 0.111 288.4);

Tailwind

colors: {
  custom: {
    50: '#614d80',
    500: '#1f0b4d',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b4d;
$custom-light: #614d80;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b4d",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 77
  },
  "hsl": {
    "h": 258.182,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.23301,
    "c": 0.11078,
    "h": 288.4
  },
  "luminance": 0.01066
}

Semantic roles & 50–950 ramp

primary

#1F0B4D

secondary

#6C892B

accent

#F236B9

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05010A

muted

#7A777C

Preview Lab

Preview with #1F0B4D

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

Preview Lab → · Contrast checker → · Palette generator →