#3F120A#3F120A

#3F120A is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.5% C 0.072 H 32.3°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F120A
RGB	rgb(63, 18, 10)
HSL	hsl(9, 73%, 14%)
HSV	hsv(9, 84%, 25%)
CMYK	cmyk(0%, 71.4%, 84.1%, 75.3%)
CIE-LAB	lab(12.68, 21.44, 15.33)
CIE-LCH	lch(12.68, 26.36, 35.58°)
OKLab	oklab(25.54% 0.0612 0.0386)
OKLCH	oklch(25.54% 0.072 32.3)
XYZ	xyz(2.3212, 1.5116, 0.4566)
Luminance	0.0151 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F120A #0A373F

analogous

#3F0A1D #3F120A #3F2D0A

triadic

#3F120A #0A3F12 #120A3F

tetradic

#3F120A #1D3F0A #0A373F #2D0A3F

square

#3F120A #1D3F0A #0A373F #2D0A3F

split-complementary

#3F120A #0A3F2D #0A1D3F

monochromatic

#1A0804 #1A0804 #3F120A #742112 #A9301B

Accessibility & contrast

On white

16.13

#3F120A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F120A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F120A

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F120A	#FFFFFF	#000000	##FFFFFF
##3F120A	1.00	16.13	1.30	16.13
#FFFFFF	16.13	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B09

Deuteranopia (green-blind)

#2A2509

Tritanopia (blue-blind)

#460710

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f120a;
/* rgb */ color: rgb(63, 18, 10);
/* oklch */ color: oklch(25.5% 0.072 32.3);

Tailwind

colors: {
  custom: {
    50: '#78524b',
    500: '#3f120a',
    950: '#000000',
  },
}

SCSS

$custom: #3f120a;
$custom-light: #78524b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f120a",
  "rgb": {
    "r": 63,
    "g": 18,
    "b": 10
  },
  "hsl": {
    "h": 9.057,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25542,
    "c": 0.07238,
    "h": 32.3
  },
  "luminance": 0.01511
}

Semantic roles & 50–950 ramp

primary

#3F120A

secondary

#29707C

accent

#D4EF38

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F120A

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

Preview Lab → · Contrast checker → · Palette generator →