#1F0C49#1F0C49

#1F0C49 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.0% C 0.104 H 289.8°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F0C49
RGB	rgb(31, 12, 73)
HSL	hsl(259, 72%, 17%)
HSV	hsv(259, 84%, 29%)
CMYK	cmyk(57.5%, 83.6%, 0%, 71.4%)
CIE-LAB	lab(9.28, 26.70, -34.18)
CIE-LCH	lch(9.28, 43.37, 307.99°)
OKLab	oklab(22.99% 0.0353 -0.0982)
OKLCH	oklch(22.99% 0.104 289.8)
XYZ	xyz(1.8988, 1.0352, 6.4018)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0C49 #36490C

analogous

#0C1749 #1F0C49 #3E0C49

triadic

#1F0C49 #491F0C #0C491F

tetradic

#1F0C49 #490C17 #36490C #0C493E

square

#1F0C49 #490C17 #36490C #0C493E

split-complementary

#1F0C49 #493E0C #17490C

monochromatic

#0B041A #0B041A #1F0C49 #35157E #4C1DB2

Accessibility & contrast

On white

17.40

#1F0C49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1F0C49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0C49

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0C49	#FFFFFF	#000000	##FFFFFF
##1F0C49	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4B

Deuteranopia (green-blind)

#001948

Tritanopia (blue-blind)

#101D2A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1f0c49;
/* rgb */ color: rgb(31, 12, 73);
/* oklch */ color: oklch(23.0% 0.104 289.8);

Tailwind

colors: {
  custom: {
    50: '#604d7c',
    500: '#1f0c49',
    950: '#000000',
  },
}

SCSS

$custom: #1f0c49;
$custom-light: #604d7c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0c49",
  "rgb": {
    "r": 31,
    "g": 12,
    "b": 73
  },
  "hsl": {
    "h": 258.689,
    "s": 71.765,
    "l": 16.667
  },
  "oklch": {
    "l": 0.22992,
    "c": 0.10439,
    "h": 289.8
  },
  "luminance": 0.01035
}

Semantic roles & 50–950 ramp

primary

#1F0C49

secondary

#69852C

accent

#EE39B6

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1F0C49

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

Preview Lab → · Contrast checker → · Palette generator →