#3F110D#3F110D

#3F110D is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.073 H 28.3°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F110D
RGB	rgb(63, 17, 13)
HSL	hsl(5, 66%, 15%)
HSV	hsv(5, 79%, 25%)
CMYK	cmyk(0%, 73%, 79.4%, 75.3%)
CIE-LAB	lab(12.53, 22.15, 13.79)
CIE-LCH	lch(12.53, 26.10, 31.91°)
OKLab	oklab(25.44% 0.0642 0.0345)
OKLCH	oklch(25.44% 0.073 28.3)
XYZ	xyz(2.3232, 1.4870, 0.5454)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F110D #0D3B3F

analogous

#3F0D22 #3F110D #3F2A0D

triadic

#3F110D #0D3F11 #110D3F

tetradic

#3F110D #223F0D #0D3B3F #2A0D3F

square

#3F110D #223F0D #0D3B3F #2A0D3F

split-complementary

#3F110D #0D3F2A #0D223F

monochromatic

#190705 #190705 #3F110D #721F17 #A42C22

Accessibility & contrast

On white

16.19

#3F110D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F110D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F110D

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F110D	#FFFFFF	#000000	##FFFFFF
##3F110D	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A0C

Deuteranopia (green-blind)

#29240C

Tritanopia (blue-blind)

#460610

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f110d;
/* rgb */ color: rgb(63, 17, 13);
/* oklch */ color: oklch(25.4% 0.073 28.3);

Tailwind

colors: {
  custom: {
    50: '#78524c',
    500: '#3f110d',
    950: '#000000',
  },
}

SCSS

$custom: #3f110d;
$custom-light: #78524c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f110d",
  "rgb": {
    "r": 63,
    "g": 17,
    "b": 13
  },
  "hsl": {
    "h": 4.8,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25439,
    "c": 0.07284,
    "h": 28.3
  },
  "luminance": 0.01487
}

Semantic roles & 50–950 ramp

primary

#3F110D

secondary

#2D747B

accent

#DBE93F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F110D

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

Preview Lab → · Contrast checker → · Palette generator →