#1F0B44#1F0B44

#1F0B44 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.3% C 0.099 H 292.5°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B44
RGB	rgb(31, 11, 68)
HSL	hsl(261, 72%, 15%)
HSV	hsv(261, 84%, 27%)
CMYK	cmyk(54.4%, 83.8%, 0%, 73.3%)
CIE-LAB	lab(8.55, 25.65, -31.87)
CIE-LCH	lch(8.55, 40.91, 308.83°)
OKLab	oklab(22.32% 0.0378 -0.0914)
OKLCH	oklch(22.32% 0.099 292.5)
XYZ	xyz(1.7278, 0.9479, 5.5597)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.35

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B44 #30440B

analogous

#0B1344 #1F0B44 #3B0B44

triadic

#1F0B44 #441F0B #0B441F

tetradic

#1F0B44 #440B13 #30440B #0B443B

square

#1F0B44 #440B13 #30440B #0B443B

split-complementary

#1F0B44 #443B0B #13440B

monochromatic

#0C041A #0C041A #1F0B44 #371479 #4F1CAD

Accessibility & contrast

On white

17.65

#1F0B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#1F0B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B44

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B44	#FFFFFF	#000000	##FFFFFF
##1F0B44	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001946

Deuteranopia (green-blind)

#001743

Tritanopia (blue-blind)

#131A27

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #1f0b44;
/* rgb */ color: rgb(31, 11, 68);
/* oklch */ color: oklch(22.3% 0.099 292.5);

Tailwind

colors: {
  custom: {
    50: '#604c78',
    500: '#1f0b44',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b44;
$custom-light: #604c78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b44",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 68
  },
  "hsl": {
    "h": 261.053,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.22315,
    "c": 0.09896,
    "h": 292.5
  },
  "luminance": 0.00948
}

Semantic roles & 50–950 ramp

primary

#1F0B44

secondary

#62812A

accent

#EF39AF

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050109

muted

#79777B

Preview Lab

Preview with #1F0B44

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

Preview Lab → · Contrast checker → · Palette generator →