#3F0F0D#3F0F0D

#3F0F0D is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.075 H 26.4°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F0D
RGB	rgb(63, 15, 13)
HSL	hsl(2, 66%, 15%)
HSV	hsv(2, 79%, 25%)
CMYK	cmyk(0%, 76.2%, 79.4%, 75.3%)
CIE-LAB	lab(12.14, 23.19, 13.27)
CIE-LCH	lch(12.14, 26.72, 29.79°)
OKLab	oklab(25.15% 0.0674 0.0335)
OKLCH	oklch(25.15% 0.075 26.4)
XYZ	xyz(2.2936, 1.4278, 0.5355)
Luminance	0.0143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F0D #0D3D3F

analogous

#3F0D24 #3F0F0D #3F280D

triadic

#3F0F0D #0D3F0F #0F0D3F

tetradic

#3F0F0D #243F0D #0D3D3F #280D3F

square

#3F0F0D #243F0D #0D3D3F #280D3F

split-complementary

#3F0F0D #0D3F28 #0D243F

monochromatic

#190605 #190605 #3F0F0D #721B17 #A42722

Accessibility & contrast

On white

16.34

#3F0F0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3F0F0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F0D

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F0D	#FFFFFF	#000000	##FFFFFF
##3F0F0D	1.00	16.34	1.29	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190C

Deuteranopia (green-blind)

#28240C

Tritanopia (blue-blind)

#46040F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0f0d;
/* rgb */ color: rgb(63, 15, 13);
/* oklch */ color: oklch(25.2% 0.075 26.4);

Tailwind

colors: {
  custom: {
    50: '#79504c',
    500: '#3f0f0d',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f0d;
$custom-light: #79504c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f0d",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 13
  },
  "hsl": {
    "h": 2.4,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25151,
    "c": 0.07527,
    "h": 26.4
  },
  "luminance": 0.01427
}

Semantic roles & 50–950 ramp

primary

#3F0F0D

secondary

#2D777B

accent

#E2E93F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0F0D

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

Preview Lab → · Contrast checker → · Palette generator →