#3F130D#3F130D

#3F130D is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.7% C 0.070 H 30.3°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F130D
RGB	rgb(63, 19, 13)
HSL	hsl(7, 66%, 15%)
HSV	hsv(7, 79%, 25%)
CMYK	cmyk(0%, 69.8%, 79.4%, 75.3%)
CIE-LAB	lab(12.93, 21.06, 14.34)
CIE-LCH	lch(12.93, 25.48, 34.26°)
OKLab	oklab(25.75% 0.0607 0.0355)
OKLCH	oklch(25.75% 0.07 30.3)
XYZ	xyz(2.3557, 1.5519, 0.5562)
Luminance	0.0155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F130D #0D393F

analogous

#3F0D20 #3F130D #3F2C0D

triadic

#3F130D #0D3F13 #130D3F

tetradic

#3F130D #203F0D #0D393F #2C0D3F

square

#3F130D #203F0D #0D393F #2C0D3F

split-complementary

#3F130D #0D3F2C #0D203F

monochromatic

#190805 #190805 #3F130D #722217 #A43222

Accessibility & contrast

On white

16.03

#3F130D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3F130D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F130D

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F130D	#FFFFFF	#000000	##FFFFFF
##3F130D	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)

#1F1B0C

Deuteranopia (green-blind)

#2A250C

Tritanopia (blue-blind)

#460912

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f130d;
/* rgb */ color: rgb(63, 19, 13);
/* oklch */ color: oklch(25.7% 0.070 30.3);

Tailwind

colors: {
  custom: {
    50: '#78534c',
    500: '#3f130d',
    950: '#000000',
  },
}

SCSS

$custom: #3f130d;
$custom-light: #78534c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f130d",
  "rgb": {
    "r": 63,
    "g": 19,
    "b": 13
  },
  "hsl": {
    "h": 7.2,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25746,
    "c": 0.07037,
    "h": 30.3
  },
  "luminance": 0.01552
}

Semantic roles & 50–950 ramp

primary

#3F130D

secondary

#2D717B

accent

#D4E93F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3F130D

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

Preview Lab → · Contrast checker → · Palette generator →