#1F0436#1F0436

#1F0436 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.8% C 0.091 H 303.7°. Best body text is #FFFFFF at 18.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F0436
RGB	rgb(31, 4, 54)
HSL	hsl(272, 86%, 11%)
HSV	hsv(272, 93%, 21%)
CMYK	cmyk(42.6%, 92.6%, 0%, 78.8%)
CIE-LAB	lab(5.82, 24.72, -26.25)
CIE-LCH	lch(5.82, 36.06, 313.28°)
OKLab	oklab(19.79% 0.0508 -0.0761)
OKLCH	oklch(19.79% 0.091 303.7)
XYZ	xyz(1.2742, 0.6445, 3.5466)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0436 #1B3604

analogous

#060436 #1F0436 #360434

triadic

#1F0436 #361F04 #04361F

tetradic

#1F0436 #360604 #1B3604 #043436

square

#1F0436 #360604 #1B3604 #043436

split-complementary

#1F0436 #343604 #043606

monochromatic

#10021C #10021C #1F0436 #40086F #600CA8

Accessibility & contrast

On white

18.60

#1F0436 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1F0436 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0436

18.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0436	#FFFFFF	#000000	##FFFFFF
##1F0436	1.00	18.60	1.13	18.60
#FFFFFF	18.60	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001237

Deuteranopia (green-blind)

#001335

Tritanopia (blue-blind)

#1A111D

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1f0436;
/* rgb */ color: rgb(31, 4, 54);
/* oklch */ color: oklch(19.8% 0.091 303.7);

Tailwind

colors: {
  custom: {
    50: '#5e486d',
    500: '#1f0436',
    950: '#000000',
  },
}

SCSS

$custom: #1f0436;
$custom-light: #5e486d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0436",
  "rgb": {
    "r": 31,
    "g": 4,
    "b": 54
  },
  "hsl": {
    "h": 272.4,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.19791,
    "c": 0.09147,
    "h": 303.7
  },
  "luminance": 0.00644
}

Semantic roles & 50–950 ramp

primary

#1F0436

secondary

#47781E

accent

#FC2B8C

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040007

muted

#79777A

Preview Lab

Preview with #1F0436

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

Preview Lab → · Contrast checker → · Palette generator →