#3F130C#3F130C

#3F130C is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.7% C 0.071 H 31.4°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F130C
RGB	rgb(63, 19, 12)
HSL	hsl(8, 68%, 15%)
HSV	hsv(8, 81%, 25%)
CMYK	cmyk(0%, 69.8%, 81%, 75.3%)
CIE-LAB	lab(12.92, 21.00, 14.79)
CIE-LCH	lch(12.92, 25.69, 35.16°)
OKLab	oklab(25.73% 0.0603 0.0368)
OKLCH	oklch(25.73% 0.071 31.4)
XYZ	xyz(2.3494, 1.5494, 0.5231)
Luminance	0.0155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F130C #0C383F

analogous

#3F0C1F #3F130C #3F2D0C

triadic

#3F130C #0C3F13 #130C3F

tetradic

#3F130C #1F3F0C #0C383F #2D0C3F

square

#3F130C #1F3F0C #0C383F #2D0C3F

split-complementary

#3F130C #0C3F2D #0C1F3F

monochromatic

#1A0805 #1A0805 #3F130C #722316 #A63220

Accessibility & contrast

On white

16.03

#3F130C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3F130C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F130C

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F130C	#FFFFFF	#000000	##FFFFFF
##3F130C	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B0B

Deuteranopia (green-blind)

#2A250B

Tritanopia (blue-blind)

#460912

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f130c;
/* rgb */ color: rgb(63, 19, 12);
/* oklch */ color: oklch(25.7% 0.071 31.4);

Tailwind

colors: {
  custom: {
    50: '#78534c',
    500: '#3f130c',
    950: '#000000',
  },
}

SCSS

$custom: #3f130c;
$custom-light: #78534c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f130c",
  "rgb": {
    "r": 63,
    "g": 19,
    "b": 12
  },
  "hsl": {
    "h": 8.235,
    "s": 68,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2573,
    "c": 0.07064,
    "h": 31.4
  },
  "luminance": 0.01549
}

Semantic roles & 50–950 ramp

primary

#3F130C

secondary

#2C707B

accent

#D3EB3D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F130C

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

Preview Lab → · Contrast checker → · Palette generator →