#3F0704#3F0704

#3F0704 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.086 H 29.4°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F0704
RGB	rgb(63, 7, 4)
HSL	hsl(3, 88%, 13%)
HSV	hsv(3, 94%, 25%)
CMYK	cmyk(0%, 88.9%, 93.7%, 75.3%)
CIE-LAB	lab(10.69, 26.33, 15.04)
CIE-LCH	lch(10.69, 30.32, 29.74°)
OKLab	oklab(24.02% 0.0747 0.0421)
OKLCH	oklch(24.02% 0.086 29.4)
XYZ	xyz(2.1481, 1.2178, 0.2368)
Luminance	0.0122 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0704 #043C3F

analogous

#3F041E #3F0704 #3F2404

triadic

#3F0704 #043F07 #07043F

tetradic

#3F0704 #1E3F04 #043C3F #24043F

square

#3F0704 #1E3F04 #043C3F #24043F

split-complementary

#3F0704 #043F24 #041E3F

monochromatic

#1D0302 #1D0302 #3F0704 #790D08 #B2140B

Accessibility & contrast

On white

16.89

#3F0704 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F0704 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0704

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0704	#FFFFFF	#000000	##FFFFFF
##3F0704	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191503

Deuteranopia (green-blind)

#262102

Tritanopia (blue-blind)

#460007

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0704;
/* rgb */ color: rgb(63, 7, 4);
/* oklch */ color: oklch(24.0% 0.086 29.4);

Tailwind

colors: {
  custom: {
    50: '#794c48',
    500: '#3f0704',
    950: '#000000',
  },
}

SCSS

$custom: #3f0704;
$custom-light: #794c48;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0704",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 4
  },
  "hsl": {
    "h": 3.051,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24021,
    "c": 0.08573,
    "h": 29.4
  },
  "luminance": 0.01217
}

Semantic roles & 50–950 ramp

primary

#3F0704

secondary

#1E7B80

accent

#F3FE2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #3F0704

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

Preview Lab → · Contrast checker → · Palette generator →