#3F0406#3F0406

#3F0406 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.7% C 0.089 H 25.5°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F0406
RGB	rgb(63, 4, 6)
HSL	hsl(358, 88%, 13%)
HSV	hsv(358, 94%, 25%)
CMYK	cmyk(0%, 93.7%, 90.5%, 75.3%)
CIE-LAB	lab(10.24, 27.80, 13.59)
CIE-LCH	lch(10.24, 30.94, 26.06°)
OKLab	oklab(23.7% 0.08 0.0382)
OKLCH	oklch(23.7% 0.089 25.5)
XYZ	xyz(2.1265, 1.1571, 0.2836)
Luminance	0.0116 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0406 #043F3D

analogous

#3F0423 #3F0406 #3F1F04

triadic

#3F0406 #063F04 #04063F

tetradic

#3F0406 #233F04 #043F3D #1F043F

square

#3F0406 #233F04 #043F3D #1F043F

split-complementary

#3F0406 #043F1F #04233F

monochromatic

#1D0203 #1D0203 #3F0406 #79080B #B20B11

Accessibility & contrast

On white

17.05

#3F0406 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#3F0406 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0406

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0406	#FFFFFF	#000000	##FFFFFF
##3F0406	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171405

Deuteranopia (green-blind)

#252104

Tritanopia (blue-blind)

#460005

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3f0406;
/* rgb */ color: rgb(63, 4, 6);
/* oklch */ color: oklch(23.7% 0.089 25.5);

Tailwind

colors: {
  custom: {
    50: '#7a4b49',
    500: '#3f0406',
    950: '#000000',
  },
}

SCSS

$custom: #3f0406;
$custom-light: #7a4b49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0406",
  "rgb": {
    "r": 63,
    "g": 4,
    "b": 6
  },
  "hsl": {
    "h": 357.966,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23696,
    "c": 0.08867,
    "h": 25.5
  },
  "luminance": 0.01157
}

Semantic roles & 50–950 ramp

primary

#3F0406

secondary

#1E807D

accent

#FEF72A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #3F0406

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

Preview Lab → · Contrast checker → · Palette generator →