#3F150D#3F150D

#3F150D is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.068 H 32.6°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F150D
RGB	rgb(63, 21, 13)
HSL	hsl(10, 66%, 15%)
HSV	hsv(10, 79%, 25%)
CMYK	cmyk(0%, 66.7%, 79.4%, 75.3%)
CIE-LAB	lab(13.37, 19.92, 14.92)
CIE-LCH	lch(13.37, 24.89, 36.83°)
OKLab	oklab(26.07% 0.0572 0.0366)
OKLCH	oklch(26.07% 0.068 32.6)
XYZ	xyz(2.3909, 1.6225, 0.5680)
Luminance	0.0162 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F150D #0D373F

analogous

#3F0D1E #3F150D #3F2E0D

triadic

#3F150D #0D3F15 #150D3F

tetradic

#3F150D #1E3F0D #0D373F #2E0D3F

square

#3F150D #1E3F0D #0D373F #2E0D3F

split-complementary

#3F150D #0D3F2E #0D1E3F

monochromatic

#190805 #190805 #3F150D #722617 #A43722

Accessibility & contrast

On white

15.86

#3F150D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#3F150D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F150D

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F150D	#FFFFFF	#000000	##FFFFFF
##3F150D	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)

#201D0C

Deuteranopia (green-blind)

#2B260C

Tritanopia (blue-blind)

#460C13

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f150d;
/* rgb */ color: rgb(63, 21, 13);
/* oklch */ color: oklch(26.1% 0.068 32.6);

Tailwind

colors: {
  custom: {
    50: '#78544c',
    500: '#3f150d',
    950: '#000000',
  },
}

SCSS

$custom: #3f150d;
$custom-light: #78544c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f150d",
  "rgb": {
    "r": 63,
    "g": 21,
    "b": 13
  },
  "hsl": {
    "h": 9.6,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.26073,
    "c": 0.06793,
    "h": 32.6
  },
  "luminance": 0.01622
}

Semantic roles & 50–950 ramp

primary

#3F150D

secondary

#2D6E7B

accent

#CEE93F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3F150D

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

Preview Lab → · Contrast checker → · Palette generator →