#1F0804#1F0804

#1F0804 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.3% C 0.042 H 34.6°. Best body text is #FFFFFF at 19.18:1 contrast (WCAG AA passes).

Color values

HEX	#1F0804
RGB	rgb(31, 8, 4)
HSL	hsl(9, 77%, 7%)
HSV	hsv(9, 87%, 12%)
CMYK	cmyk(0%, 74.2%, 87.1%, 87.8%)
CIE-LAB	lab(4.28, 9.16, 4.94)
CIE-LCH	lch(4.28, 10.40, 28.32°)
OKLab	oklab(17.25% 0.0346 0.0239)
OKLCH	oklch(17.25% 0.042 34.6)
XYZ	xyz(0.6739, 0.4738, 0.1708)
Luminance	0.0047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0804 #041B1F

analogous

#1F040E #1F0804 #1F1604

triadic

#1F0804 #041F08 #08041F

tetradic

#1F0804 #0E1F04 #041B1F #16041F

square

#1F0804 #0E1F04 #041B1F #16041F

split-complementary

#1F0804 #041F16 #040E1F

monochromatic

#1B0703 #1B0703 #1F0804 #55160B #8B2412

Accessibility & contrast

On white

19.18

#1F0804 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1F0804 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0804

19.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0804	#FFFFFF	#000000	##FFFFFF
##1F0804	1.00	19.18	1.09	19.18
#FFFFFF	19.18	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C04

Deuteranopia (green-blind)

#141104

Tritanopia (blue-blind)

#230407

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1f0804;
/* rgb */ color: rgb(31, 8, 4);
/* oklch */ color: oklch(17.3% 0.042 34.6);

Tailwind

colors: {
  custom: {
    50: '#5a4a48',
    500: '#1f0804',
    950: '#000000',
  },
}

SCSS

$custom: #1f0804;
$custom-light: #5a4a48;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0804",
  "rgb": {
    "r": 31,
    "g": 8,
    "b": 4
  },
  "hsl": {
    "h": 8.889,
    "s": 77.143,
    "l": 6.863
  },
  "oklch": {
    "l": 0.17253,
    "c": 0.04207,
    "h": 34.6
  },
  "luminance": 0.00474
}

Semantic roles & 50–950 ramp

primary

#1F0804

secondary

#1D5762

accent

#D7F434

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#040100

muted

#797777

Preview Lab

Preview with #1F0804

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

Preview Lab → · Contrast checker → · Palette generator →