#3F0F0A#3F0F0A

#3F0F0A is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.076 H 29.4°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F0A
RGB	rgb(63, 15, 10)
HSL	hsl(6, 73%, 14%)
HSV	hsv(6, 84%, 25%)
CMYK	cmyk(0%, 76.2%, 84.1%, 75.3%)
CIE-LAB	lab(12.09, 23.01, 14.54)
CIE-LCH	lch(12.09, 27.22, 32.28°)
OKLab	oklab(25.1% 0.0661 0.0372)
OKLCH	oklch(25.1% 0.076 29.4)
XYZ	xyz(2.2758, 1.4207, 0.4415)
Luminance	0.0142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F0A #0A3A3F

analogous

#3F0A20 #3F0F0A #3F2A0A

triadic

#3F0F0A #0A3F0F #0F0A3F

tetradic

#3F0F0A #203F0A #0A3A3F #2A0A3F

square

#3F0F0A #203F0A #0A3A3F #2A0A3F

split-complementary

#3F0F0A #0A3F2A #0A203F

monochromatic

#1A0604 #1A0604 #3F0F0A #741C12 #A9281B

Accessibility & contrast

On white

16.36

#3F0F0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0F0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F0A

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F0A	#FFFFFF	#000000	##FFFFFF
##3F0F0A	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1909

Deuteranopia (green-blind)

#282408

Tritanopia (blue-blind)

#46030E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0f0a;
/* rgb */ color: rgb(63, 15, 10);
/* oklch */ color: oklch(25.1% 0.076 29.4);

Tailwind

colors: {
  custom: {
    50: '#79504b',
    500: '#3f0f0a',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f0a;
$custom-light: #79504b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f0a",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 10
  },
  "hsl": {
    "h": 5.66,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.251,
    "c": 0.07588,
    "h": 29.4
  },
  "luminance": 0.0142
}

Semantic roles & 50–950 ramp

primary

#3F0F0A

secondary

#29747C

accent

#DEEF38

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0F0A

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

Preview Lab → · Contrast checker → · Palette generator →