#3F0A0F#3F0A0F

#3F0A0F is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.081 H 20.6°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F0A0F
RGB	rgb(63, 10, 15)
HSL	hsl(354, 73%, 14%)
HSV	hsv(354, 84%, 25%)
CMYK	cmyk(0%, 84.1%, 76.2%, 75.3%)
CIE-LAB	lab(11.34, 25.63, 11.16)
CIE-LCH	lch(11.34, 27.95, 23.53°)
OKLab	oklab(24.56% 0.0757 0.0285)
OKLCH	oklch(24.56% 0.081 20.6)
XYZ	xyz(2.2449, 1.3087, 0.5862)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0A0F #0A3F3A

analogous

#3F0A2A #3F0A0F #3F200A

triadic

#3F0A0F #0F3F0A #0A0F3F

tetradic

#3F0A0F #2A3F0A #0A3F3A #200A3F

square

#3F0A0F #2A3F0A #0A3F3A #200A3F

split-complementary

#3F0A0F #0A3F20 #0A2A3F

monochromatic

#1A0406 #1A0406 #3F0A0F #74121C #A91B28

Accessibility & contrast

On white

16.65

#3F0A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0A0F

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0A0F	#FFFFFF	#000000	##FFFFFF
##3F0A0F	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19170F

Deuteranopia (green-blind)

#26220D

Tritanopia (blue-blind)

#46000C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0a0f;
/* rgb */ color: rgb(63, 10, 15);
/* oklch */ color: oklch(24.6% 0.081 20.6);

Tailwind

colors: {
  custom: {
    50: '#794e4d',
    500: '#3f0a0f',
    950: '#000000',
  },
}

SCSS

$custom: #3f0a0f;
$custom-light: #794e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0a0f",
  "rgb": {
    "r": 63,
    "g": 10,
    "b": 15
  },
  "hsl": {
    "h": 354.34,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24561,
    "c": 0.08083,
    "h": 20.6
  },
  "luminance": 0.01308
}

Semantic roles & 50–950 ramp

primary

#3F0A0F

secondary

#297C74

accent

#EFDE38

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0A0F

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

Preview Lab → · Contrast checker → · Palette generator →