#3F0805#3F0805

#3F0805 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.084 H 29.0°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F0805
RGB	rgb(63, 8, 5)
HSL	hsl(3, 85%, 13%)
HSV	hsv(3, 92%, 25%)
CMYK	cmyk(0%, 87.3%, 92.1%, 75.3%)
CIE-LAB	lab(10.86, 25.94, 14.87)
CIE-LCH	lch(10.86, 29.90, 29.83°)
OKLab	oklab(24.15% 0.0738 0.041)
OKLCH	oklch(24.15% 0.084 29)
XYZ	xyz(2.1644, 1.2417, 0.2693)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0805 #053C3F

analogous

#3F051F #3F0805 #3F2505

triadic

#3F0805 #053F08 #08053F

tetradic

#3F0805 #1F3F05 #053C3F #25053F

square

#3F0805 #1F3F05 #053C3F #25053F

split-complementary

#3F0805 #053F25 #051F3F

monochromatic

#1C0402 #1C0402 #3F0805 #780F09 #B0160E

Accessibility & contrast

On white

16.82

#3F0805 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F0805 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0805

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0805	#FFFFFF	#000000	##FFFFFF
##3F0805	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191504

Deuteranopia (green-blind)

#272203

Tritanopia (blue-blind)

#460008

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0805;
/* rgb */ color: rgb(63, 8, 5);
/* oklch */ color: oklch(24.2% 0.084 29.0);

Tailwind

colors: {
  custom: {
    50: '#794d49',
    500: '#3f0805',
    950: '#000000',
  },
}

SCSS

$custom: #3f0805;
$custom-light: #794d49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0805",
  "rgb": {
    "r": 63,
    "g": 8,
    "b": 5
  },
  "hsl": {
    "h": 3.103,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24155,
    "c": 0.08444,
    "h": 29
  },
  "luminance": 0.01241
}

Semantic roles & 50–950 ramp

primary

#3F0805

secondary

#207B80

accent

#F1FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #3F0805

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

Preview Lab → · Contrast checker → · Palette generator →