#1F0837#1F0837

#1F0837 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.5% C 0.086 H 301.5°. Best body text is #FFFFFF at 18.29:1 contrast (WCAG AA passes).

Color values

HEX	#1F0837
RGB	rgb(31, 8, 55)
HSL	hsl(269, 75%, 12%)
HSV	hsv(269, 85%, 22%)
CMYK	cmyk(43.6%, 85.5%, 0%, 78.4%)
CIE-LAB	lab(6.69, 23.02, -25.58)
CIE-LCH	lch(6.69, 34.41, 311.99°)
OKLab	oklab(20.54% 0.0449 -0.0733)
OKLCH	oklch(20.54% 0.086 301.5)
XYZ	xyz(1.3413, 0.7408, 3.6860)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0837 #203708

analogous

#080837 #1F0837 #370837

triadic

#1F0837 #371F08 #08371F

tetradic

#1F0837 #370808 #203708 #083737

square

#1F0837 #370808 #203708 #083737

split-complementary

#1F0837 #373708 #083708

monochromatic

#0F041B #0F041B #1F0837 #3D106C #5B18A2

Accessibility & contrast

On white

18.29

#1F0837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1F0837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0837

18.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0837	#FFFFFF	#000000	##FFFFFF
##1F0837	1.00	18.29	1.15	18.29
#FFFFFF	18.29	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001538

Deuteranopia (green-blind)

#001536

Tritanopia (blue-blind)

#1A141F

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1f0837;
/* rgb */ color: rgb(31, 8, 55);
/* oklch */ color: oklch(20.5% 0.086 301.5);

Tailwind

colors: {
  custom: {
    50: '#5d4a6e',
    500: '#1f0837',
    950: '#000000',
  },
}

SCSS

$custom: #1f0837;
$custom-light: #5d4a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0837",
  "rgb": {
    "r": 31,
    "g": 8,
    "b": 55
  },
  "hsl": {
    "h": 269.362,
    "s": 74.603,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2054,
    "c": 0.08598,
    "h": 301.5
  },
  "luminance": 0.00741
}

Semantic roles & 50–950 ramp

primary

#1F0837

secondary

#4E7625

accent

#F13796

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1F0837

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

Preview Lab → · Contrast checker → · Palette generator →