#1F0439#1F0439

#1F0439 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.1% C 0.095 H 301.5°. Best body text is #FFFFFF at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#1F0439
RGB	rgb(31, 4, 57)
HSL	hsl(271, 87%, 12%)
HSV	hsv(271, 93%, 22%)
CMYK	cmyk(45.6%, 93%, 0%, 77.6%)
CIE-LAB	lab(6.08, 25.80, -28.02)
CIE-LCH	lch(6.08, 38.09, 312.65°)
OKLab	oklab(20.11% 0.0497 -0.0809)
OKLCH	oklch(20.11% 0.095 301.5)
XYZ	xyz(1.3468, 0.6735, 3.9292)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0439 #1E3904

analogous

#050439 #1F0439 #390439

triadic

#1F0439 #391F04 #04391F

tetradic

#1F0439 #390504 #1E3904 #043939

square

#1F0439 #390504 #1E3904 #043939

split-complementary

#1F0439 #393904 #043905

monochromatic

#10021D #10021D #1F0439 #3E0872 #5D0CAB

Accessibility & contrast

On white

18.51

#1F0439 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1F0439 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0439

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0439	#FFFFFF	#000000	##FFFFFF
##1F0439	1.00	18.51	1.13	18.51
#FFFFFF	18.51	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133A

Deuteranopia (green-blind)

#001338

Tritanopia (blue-blind)

#19121E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1f0439;
/* rgb */ color: rgb(31, 4, 57);
/* oklch */ color: oklch(20.1% 0.095 301.5);

Tailwind

colors: {
  custom: {
    50: '#5e4870',
    500: '#1f0439',
    950: '#000000',
  },
}

SCSS

$custom: #1f0439;
$custom-light: #5e4870;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0439",
  "rgb": {
    "r": 31,
    "g": 4,
    "b": 57
  },
  "hsl": {
    "h": 270.566,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.2011,
    "c": 0.09497,
    "h": 301.5
  },
  "luminance": 0.00674
}

Semantic roles & 50–950 ramp

primary

#1F0439

secondary

#4C7B1E

accent

#FD2B92

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#050007

muted

#79777A

Preview Lab

Preview with #1F0439

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

Preview Lab → · Contrast checker → · Palette generator →