#3F150C#3F150C

#3F150C is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.068 H 33.7°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F150C
RGB	rgb(63, 21, 12)
HSL	hsl(11, 68%, 15%)
HSV	hsv(11, 81%, 25%)
CMYK	cmyk(0%, 66.7%, 81%, 75.3%)
CIE-LAB	lab(13.35, 19.86, 15.37)
CIE-LCH	lch(13.35, 25.11, 37.73°)
OKLab	oklab(26.06% 0.0568 0.0379)
OKLCH	oklch(26.06% 0.068 33.7)
XYZ	xyz(2.3847, 1.6200, 0.5349)
Luminance	0.0162 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F150C #0C363F

analogous

#3F0C1D #3F150C #3F2F0C

triadic

#3F150C #0C3F15 #150C3F

tetradic

#3F150C #1D3F0C #0C363F #2F0C3F

square

#3F150C #1D3F0C #0C363F #2F0C3F

split-complementary

#3F150C #0C3F2F #0C1D3F

monochromatic

#1A0905 #1A0905 #3F150C #722616 #A63720

Accessibility & contrast

On white

15.86

#3F150C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#3F150C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F150C

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F150C	#FFFFFF	#000000	##FFFFFF
##3F150C	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201D0B

Deuteranopia (green-blind)

#2B260B

Tritanopia (blue-blind)

#460C13

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f150c;
/* rgb */ color: rgb(63, 21, 12);
/* oklch */ color: oklch(26.1% 0.068 33.7);

Tailwind

colors: {
  custom: {
    50: '#78544c',
    500: '#3f150c',
    950: '#000000',
  },
}

SCSS

$custom: #3f150c;
$custom-light: #78544c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f150c",
  "rgb": {
    "r": 63,
    "g": 21,
    "b": 12
  },
  "hsl": {
    "h": 10.588,
    "s": 68,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26056,
    "c": 0.06823,
    "h": 33.7
  },
  "luminance": 0.0162
}

Semantic roles & 50–950 ramp

primary

#3F150C

secondary

#2C6D7B

accent

#CCEB3D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3F150C

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

Preview Lab → · Contrast checker → · Palette generator →