#3F121D#3F121D

#3F121D is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.0% C 0.071 H 8.5°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F121D
RGB	rgb(63, 18, 29)
HSL	hsl(345, 56%, 16%)
HSV	hsv(345, 71%, 25%)
CMYK	cmyk(0%, 71.4%, 54%, 75.3%)
CIE-LAB	lab(13.10, 23.04, 4.04)
CIE-LCH	lch(13.10, 23.39, 9.95°)
OKLab	oklab(25.99% 0.07 0.0105)
OKLCH	oklch(25.99% 0.071 8.5)
XYZ	xyz(2.4882, 1.5784, 1.3358)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F121D #123F34

analogous

#3F1233 #3F121D #3F1D12

triadic

#3F121D #1D3F12 #121D3F

tetradic

#3F121D #333F12 #123F34 #1D123F

square

#3F121D #333F12 #123F34 #1D123F

split-complementary

#3F121D #123F1D #12333F

monochromatic

#18070B #18070B #3F121D #6F2033 #9E2D49

Accessibility & contrast

On white

15.96

#3F121D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#3F121D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F121D

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F121D	#FFFFFF	#000000	##FFFFFF
##3F121D	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1C1D

Deuteranopia (green-blind)

#27251C

Tritanopia (blue-blind)

#450C16

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f121d;
/* rgb */ color: rgb(63, 18, 29);
/* oklch */ color: oklch(26.0% 0.071 8.5);

Tailwind

colors: {
  custom: {
    50: '#775358',
    500: '#3f121d',
    950: '#000000',
  },
}

SCSS

$custom: #3f121d;
$custom-light: #775358;
$custom-dark: #000000;

JSON

{
  "hex": "#3f121d",
  "rgb": {
    "r": 63,
    "g": 18,
    "b": 29
  },
  "hsl": {
    "h": 345.333,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.25989,
    "c": 0.07081,
    "h": 8.5
  },
  "luminance": 0.01578
}

Semantic roles & 50–950 ramp

primary

#3F121D

secondary

#357868

accent

#DFBA49

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#090203

muted

#7B7878

Preview Lab

Preview with #3F121D

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

Preview Lab → · Contrast checker → · Palette generator →