#1F0B43#1F0B43

#1F0B43 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.2% C 0.098 H 293.0°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B43
RGB	rgb(31, 11, 67)
HSL	hsl(261, 72%, 15%)
HSV	hsv(261, 84%, 26%)
CMYK	cmyk(53.7%, 83.6%, 0%, 73.7%)
CIE-LAB	lab(8.44, 25.33, -31.34)
CIE-LCH	lch(8.44, 40.30, 308.95°)
OKLab	oklab(22.21% 0.0381 -0.0899)
OKLCH	oklch(22.21% 0.098 293)
XYZ	xyz(1.6976, 0.9358, 5.4003)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B43 #2F430B

analogous

#0B1343 #1F0B43 #3B0B43

triadic

#1F0B43 #431F0B #0B431F

tetradic

#1F0B43 #430B13 #2F430B #0B433B

square

#1F0B43 #430B13 #2F430B #0B433B

split-complementary

#1F0B43 #433B0B #13430B

monochromatic

#0C041A #0C041A #1F0B43 #371478 #501CAC

Accessibility & contrast

On white

17.69

#1F0B43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#1F0B43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B43

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B43	#FFFFFF	#000000	##FFFFFF
##1F0B43	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001945

Deuteranopia (green-blind)

#001742

Tritanopia (blue-blind)

#141A26

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #1f0b43;
/* rgb */ color: rgb(31, 11, 67);
/* oklch */ color: oklch(22.2% 0.098 293.0);

Tailwind

colors: {
  custom: {
    50: '#5f4c78',
    500: '#1f0b43',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b43;
$custom-light: #5f4c78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b43",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 67
  },
  "hsl": {
    "h": 261.429,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.22208,
    "c": 0.09763,
    "h": 293
  },
  "luminance": 0.00936
}

Semantic roles & 50–950 ramp

primary

#1F0B43

secondary

#61802A

accent

#EF39AE

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050109

muted

#79777B

Preview Lab

Preview with #1F0B43

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

Preview Lab → · Contrast checker → · Palette generator →