#3F110A#3F110A

#3F110A is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.074 H 31.2°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#3F110A
RGB	rgb(63, 17, 10)
HSL	hsl(8, 73%, 14%)
HSV	hsv(8, 84%, 25%)
CMYK	cmyk(0%, 73%, 84.1%, 75.3%)
CIE-LAB	lab(12.48, 21.98, 15.06)
CIE-LCH	lch(12.48, 26.64, 34.42°)
OKLab	oklab(25.39% 0.0629 0.0382)
OKLCH	oklch(25.39% 0.074 31.2)
XYZ	xyz(2.3054, 1.4799, 0.4514)
Luminance	0.0148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F110A #0A383F

analogous

#3F0A1E #3F110A #3F2C0A

triadic

#3F110A #0A3F11 #110A3F

tetradic

#3F110A #1E3F0A #0A383F #2C0A3F

square

#3F110A #1E3F0A #0A383F #2C0A3F

split-complementary

#3F110A #0A3F2C #0A1E3F

monochromatic

#1A0704 #1A0704 #3F110A #741F12 #A92E1B

Accessibility & contrast

On white

16.20

#3F110A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F110A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F110A

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F110A	#FFFFFF	#000000	##FFFFFF
##3F110A	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A09

Deuteranopia (green-blind)

#292409

Tritanopia (blue-blind)

#460610

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f110a;
/* rgb */ color: rgb(63, 17, 10);
/* oklch */ color: oklch(25.4% 0.074 31.2);

Tailwind

colors: {
  custom: {
    50: '#79524b',
    500: '#3f110a',
    950: '#000000',
  },
}

SCSS

$custom: #3f110a;
$custom-light: #79524b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f110a",
  "rgb": {
    "r": 63,
    "g": 17,
    "b": 10
  },
  "hsl": {
    "h": 7.925,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.2539,
    "c": 0.07355,
    "h": 31.2
  },
  "luminance": 0.0148
}

Semantic roles & 50–950 ramp

primary

#3F110A

secondary

#29717C

accent

#D7EF38

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F110A

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

Preview Lab → · Contrast checker → · Palette generator →