#3F121A#3F121A

#3F121A is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.9% C 0.070 H 12.8°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F121A
RGB	rgb(63, 18, 26)
HSL	hsl(349, 56%, 16%)
HSV	hsv(349, 71%, 25%)
CMYK	cmyk(0%, 71.4%, 58.7%, 75.3%)
CIE-LAB	lab(13.01, 22.71, 6.14)
CIE-LCH	lch(13.01, 23.53, 15.13°)
OKLab	oklab(25.9% 0.0686 0.0156)
OKLCH	oklch(25.9% 0.07 12.8)
XYZ	xyz(2.4529, 1.5643, 1.1498)
Luminance	0.0156 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F121A #123F37

analogous

#3F1230 #3F121A #3F2012

triadic

#3F121A #1A3F12 #121A3F

tetradic

#3F121A #303F12 #123F37 #20123F

square

#3F121A #303F12 #123F37 #20123F

split-complementary

#3F121A #123F20 #12303F

monochromatic

#18070A #18070A #3F121A #6F202E #9E2D41

Accessibility & contrast

On white

16.00

#3F121A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3F121A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F121A

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F121A	#FFFFFF	#000000	##FFFFFF
##3F121A	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1C1A

Deuteranopia (green-blind)

#282519

Tritanopia (blue-blind)

#450B15

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f121a;
/* rgb */ color: rgb(63, 18, 26);
/* oklch */ color: oklch(25.9% 0.070 12.8);

Tailwind

colors: {
  custom: {
    50: '#775256',
    500: '#3f121a',
    950: '#000000',
  },
}

SCSS

$custom: #3f121a;
$custom-light: #775256;
$custom-dark: #000000;

JSON

{
  "hex": "#3f121a",
  "rgb": {
    "r": 63,
    "g": 18,
    "b": 26
  },
  "hsl": {
    "h": 349.333,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.25895,
    "c": 0.07036,
    "h": 12.8
  },
  "luminance": 0.01564
}

Semantic roles & 50–950 ramp

primary

#3F121A

secondary

#35786C

accent

#DFC449

background

#F7F4F5

surface

#EDE7E8

border

#C8C3C4

text

#090203

muted

#7B7878

Preview Lab

Preview with #3F121A

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

Preview Lab → · Contrast checker → · Palette generator →