#3F120B#3F120B

#3F120B is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.072 H 31.3°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F120B
RGB	rgb(63, 18, 11)
HSL	hsl(8, 70%, 15%)
HSV	hsv(8, 83%, 25%)
CMYK	cmyk(0%, 71.4%, 82.5%, 75.3%)
CIE-LAB	lab(12.70, 21.49, 14.94)
CIE-LCH	lch(12.70, 26.17, 34.80°)
OKLab	oklab(25.56% 0.0616 0.0375)
OKLCH	oklch(25.56% 0.072 31.3)
XYZ	xyz(2.3269, 1.5139, 0.4862)
Luminance	0.0151 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F120B #0B383F

analogous

#3F0B1E #3F120B #3F2C0B

triadic

#3F120B #0B3F12 #120B3F

tetradic

#3F120B #1E3F0B #0B383F #2C0B3F

square

#3F120B #1E3F0B #0B383F #2C0B3F

split-complementary

#3F120B #0B3F2C #0B1E3F

monochromatic

#1A0705 #1A0705 #3F120B #732114 #A7301D

Accessibility & contrast

On white

16.12

#3F120B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F120B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F120B

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F120B	#FFFFFF	#000000	##FFFFFF
##3F120B	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B0A

Deuteranopia (green-blind)

#2A250A

Tritanopia (blue-blind)

#460711

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f120b;
/* rgb */ color: rgb(63, 18, 11);
/* oklch */ color: oklch(25.6% 0.072 31.3);

Tailwind

colors: {
  custom: {
    50: '#78524b',
    500: '#3f120b',
    950: '#000000',
  },
}

SCSS

$custom: #3f120b;
$custom-light: #78524b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f120b",
  "rgb": {
    "r": 63,
    "g": 18,
    "b": 11
  },
  "hsl": {
    "h": 8.077,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25557,
    "c": 0.07211,
    "h": 31.3
  },
  "luminance": 0.01514
}

Semantic roles & 50–950 ramp

primary

#3F120B

secondary

#2A717C

accent

#D5ED3B

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F120B

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

Preview Lab → · Contrast checker → · Palette generator →