#1F0803#1F0803

#1F0803 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.2% C 0.043 H 38.0°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F0803
RGB	rgb(31, 8, 3)
HSL	hsl(11, 82%, 7%)
HSV	hsv(11, 90%, 12%)
CMYK	cmyk(0%, 74.2%, 90.3%, 87.8%)
CIE-LAB	lab(4.26, 9.02, 5.31)
CIE-LCH	lch(4.26, 10.47, 30.51°)
OKLab	oklab(17.22% 0.0337 0.0264)
OKLCH	oklch(17.22% 0.043 38)
XYZ	xyz(0.6684, 0.4716, 0.1420)
Luminance	0.0047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0803 #031A1F

analogous

#1F030C #1F0803 #1F1603

triadic

#1F0803 #031F08 #08031F

tetradic

#1F0803 #0C1F03 #031A1F #16031F

square

#1F0803 #0C1F03 #031A1F #16031F

split-complementary

#1F0803 #031F16 #030C1F

monochromatic

#1C0703 #1C0703 #1F0803 #571608 #8F250E

Accessibility & contrast

On white

19.19

#1F0803 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1F0803 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0803

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0803	#FFFFFF	#000000	##FFFFFF
##1F0803	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C03

Deuteranopia (green-blind)

#141103

Tritanopia (blue-blind)

#230407

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1f0803;
/* rgb */ color: rgb(31, 8, 3);
/* oklch */ color: oklch(17.2% 0.043 38.0);

Tailwind

colors: {
  custom: {
    50: '#5a4a48',
    500: '#1f0803',
    950: '#000000',
  },
}

SCSS

$custom: #1f0803;
$custom-light: #5a4a48;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0803",
  "rgb": {
    "r": 31,
    "g": 8,
    "b": 3
  },
  "hsl": {
    "h": 10.714,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.17221,
    "c": 0.04282,
    "h": 38
  },
  "luminance": 0.00472
}

Semantic roles & 50–950 ramp

primary

#1F0803

secondary

#1B5663

accent

#D5F92F

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#040100

muted

#797777

Preview Lab

Preview with #1F0803

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

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