#1F0539#1F0539

#1F0539 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.3% C 0.093 H 301.2°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F0539
RGB	rgb(31, 5, 57)
HSL	hsl(270, 84%, 12%)
HSV	hsv(270, 91%, 22%)
CMYK	cmyk(45.6%, 91.2%, 0%, 77.6%)
CIE-LAB	lab(6.28, 25.28, -27.70)
CIE-LCH	lch(6.28, 37.50, 312.39°)
OKLab	oklab(20.27% 0.0483 -0.0798)
OKLCH	oklch(20.27% 0.093 301.2)
XYZ	xyz(1.3577, 0.6952, 3.9328)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0539 #1F3905

analogous

#050539 #1F0539 #390539

triadic

#1F0539 #391F05 #05391F

tetradic

#1F0539 #390505 #1F3905 #053939

square

#1F0539 #390505 #1F3905 #053939

split-complementary

#1F0539 #393905 #053905

monochromatic

#0F021C #0F021C #1F0539 #3E0A71 #5C0FAA

Accessibility & contrast

On white

18.44

#1F0539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1F0539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0539

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0539	#FFFFFF	#000000	##FFFFFF
##1F0539	1.00	18.44	1.14	18.44
#FFFFFF	18.44	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#001438

Tritanopia (blue-blind)

#19131F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1f0539;
/* rgb */ color: rgb(31, 5, 57);
/* oklch */ color: oklch(20.3% 0.093 301.2);

Tailwind

colors: {
  custom: {
    50: '#5e4870',
    500: '#1f0539',
    950: '#000000',
  },
}

SCSS

$custom: #1f0539;
$custom-light: #5e4870;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0539",
  "rgb": {
    "r": 31,
    "g": 5,
    "b": 57
  },
  "hsl": {
    "h": 270,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.20272,
    "c": 0.09331,
    "h": 301.2
  },
  "luminance": 0.00695
}

Semantic roles & 50–950 ramp

primary

#1F0539

secondary

#4D7A20

accent

#FA2E94

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#050007

muted

#79777A

Preview Lab

Preview with #1F0539

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

Preview Lab → · Contrast checker → · Palette generator →