#3F0C03#3F0C03

#3F0C03 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.081 H 33.8°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#3F0C03
RGB	rgb(63, 12, 3)
HSL	hsl(9, 91%, 13%)
HSV	hsv(9, 95%, 25%)
CMYK	cmyk(0%, 81%, 95.2%, 75.3%)
CIE-LAB	lab(11.46, 24.09, 16.52)
CIE-LCH	lch(11.46, 29.21, 34.44°)
OKLab	oklab(24.59% 0.0674 0.0451)
OKLCH	oklch(24.59% 0.081 33.8)
XYZ	xyz(2.1981, 1.3266, 0.2265)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0C03 #03363F

analogous

#3F0318 #3F0C03 #3F2A03

triadic

#3F0C03 #033F0C #0C033F

tetradic

#3F0C03 #183F03 #03363F #2A033F

square

#3F0C03 #183F03 #03363F #2A033F

split-complementary

#3F0C03 #033F2A #03183F

monochromatic

#1D0601 #1D0601 #3F0C03 #791706 #B42209

Accessibility & contrast

On white

16.60

#3F0C03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3F0C03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0C03

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0C03	#FFFFFF	#000000	##FFFFFF
##3F0C03	1.00	16.60	1.27	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1702

Deuteranopia (green-blind)

#282301

Tritanopia (blue-blind)

#46000A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0c03;
/* rgb */ color: rgb(63, 12, 3);
/* oklch */ color: oklch(24.6% 0.081 33.8);

Tailwind

colors: {
  custom: {
    50: '#794f48',
    500: '#3f0c03',
    950: '#000000',
  },
}

SCSS

$custom: #3f0c03;
$custom-light: #794f48;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0c03",
  "rgb": {
    "r": 63,
    "g": 12,
    "b": 3
  },
  "hsl": {
    "h": 9,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24592,
    "c": 0.08105,
    "h": 33.8
  },
  "luminance": 0.01326
}

Semantic roles & 50–950 ramp

primary

#3F0C03

secondary

#1D7281

accent

#DFFF29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F0C03

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

Preview Lab → · Contrast checker → · Palette generator →