#1F0737#1F0737

#1F0737 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.4% C 0.088 H 301.8°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#1F0737
RGB	rgb(31, 7, 55)
HSL	hsl(270, 77%, 12%)
HSV	hsv(270, 87%, 22%)
CMYK	cmyk(43.6%, 87.3%, 0%, 78.4%)
CIE-LAB	lab(6.50, 23.54, -25.89)
CIE-LCH	lch(6.50, 34.99, 312.27°)
OKLab	oklab(20.38% 0.0462 -0.0744)
OKLCH	oklch(20.38% 0.088 301.8)
XYZ	xyz(1.3305, 0.7191, 3.6824)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0737 #1F3707

analogous

#070737 #1F0737 #370737

triadic

#1F0737 #371F07 #07371F

tetradic

#1F0737 #370707 #1F3707 #073737

square

#1F0737 #370707 #1F3707 #073737

split-complementary

#1F0737 #373707 #073707

monochromatic

#0F031B #0F031B #1F0737 #3E0E6D #5C15A4

Accessibility & contrast

On white

18.36

#1F0737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1F0737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0737

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0737	#FFFFFF	#000000	##FFFFFF
##1F0737	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001438

Deuteranopia (green-blind)

#001436

Tritanopia (blue-blind)

#1A131E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1f0737;
/* rgb */ color: rgb(31, 7, 55);
/* oklch */ color: oklch(20.4% 0.088 301.8);

Tailwind

colors: {
  custom: {
    50: '#5e496e',
    500: '#1f0737',
    950: '#000000',
  },
}

SCSS

$custom: #1f0737;
$custom-light: #5e496e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0737",
  "rgb": {
    "r": 31,
    "g": 7,
    "b": 55
  },
  "hsl": {
    "h": 270,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.20383,
    "c": 0.08758,
    "h": 301.8
  },
  "luminance": 0.00719
}

Semantic roles & 50–950 ramp

primary

#1F0737

secondary

#4D7723

accent

#F43494

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1F0737

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

Preview Lab → · Contrast checker → · Palette generator →