#1F0B49#1F0B49

#1F0B49 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.9% C 0.106 H 290.1°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B49
RGB	rgb(31, 11, 73)
HSL	hsl(259, 74%, 16%)
HSV	hsv(259, 85%, 29%)
CMYK	cmyk(57.5%, 84.9%, 0%, 71.4%)
CIE-LAB	lab(9.09, 27.25, -34.50)
CIE-LCH	lch(9.09, 43.96, 308.31°)
OKLab	oklab(22.86% 0.0362 -0.0991)
OKLCH	oklch(22.86% 0.106 290.1)
XYZ	xyz(1.8870, 1.0116, 6.3979)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B49 #35490B

analogous

#0B1649 #1F0B49 #3E0B49

triadic

#1F0B49 #491F0B #0B491F

tetradic

#1F0B49 #490B16 #35490B #0B493E

square

#1F0B49 #490B16 #35490B #0B493E

split-complementary

#1F0B49 #493E0B #16490B

monochromatic

#0B041B #0B041B #1F0B49 #36137E #4C1BB3

Accessibility & contrast

On white

17.47

#1F0B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#1F0B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B49

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B49	#FFFFFF	#000000	##FFFFFF
##1F0B49	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4B

Deuteranopia (green-blind)

#001848

Tritanopia (blue-blind)

#101C29

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1f0b49;
/* rgb */ color: rgb(31, 11, 73);
/* oklch */ color: oklch(22.9% 0.106 290.1);

Tailwind

colors: {
  custom: {
    50: '#614c7c',
    500: '#1f0b49',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b49;
$custom-light: #614c7c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b49",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 73
  },
  "hsl": {
    "h": 259.355,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.22856,
    "c": 0.10557,
    "h": 290.1
  },
  "luminance": 0.01012
}

Semantic roles & 50–950 ramp

primary

#1F0B49

secondary

#68852A

accent

#F037B5

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1F0B49

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

Preview Lab → · Contrast checker → · Palette generator →