#3F0604#3F0604

#3F0604 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.087 H 28.8°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#3F0604
RGB	rgb(63, 6, 4)
HSL	hsl(2, 88%, 13%)
HSV	hsv(2, 94%, 25%)
CMYK	cmyk(0%, 90.5%, 93.7%, 75.3%)
CIE-LAB	lab(10.53, 26.78, 14.82)
CIE-LCH	lch(10.53, 30.60, 28.96°)
OKLab	oklab(23.9% 0.0761 0.0418)
OKLCH	oklch(23.9% 0.087 28.8)
XYZ	xyz(2.1372, 1.1961, 0.2332)
Luminance	0.0120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0604 #043D3F

analogous

#3F041F #3F0604 #3F2304

triadic

#3F0604 #043F06 #06043F

tetradic

#3F0604 #1F3F04 #043D3F #23043F

square

#3F0604 #1F3F04 #043D3F #23043F

split-complementary

#3F0604 #043F23 #041F3F

monochromatic

#1D0302 #1D0302 #3F0604 #790B08 #B2110B

Accessibility & contrast

On white

16.95

#3F0604 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F0604 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0604

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0604	#FFFFFF	#000000	##FFFFFF
##3F0604	1.00	16.95	1.24	16.95
#FFFFFF	16.95	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181403

Deuteranopia (green-blind)

#262102

Tritanopia (blue-blind)

#460006

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0604;
/* rgb */ color: rgb(63, 6, 4);
/* oklch */ color: oklch(23.9% 0.087 28.8);

Tailwind

colors: {
  custom: {
    50: '#794c48',
    500: '#3f0604',
    950: '#000000',
  },
}

SCSS

$custom: #3f0604;
$custom-light: #794c48;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0604",
  "rgb": {
    "r": 63,
    "g": 6,
    "b": 4
  },
  "hsl": {
    "h": 2.034,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23902,
    "c": 0.0868,
    "h": 28.8
  },
  "luminance": 0.01196
}

Semantic roles & 50–950 ramp

primary

#3F0604

secondary

#1E7D80

accent

#F7FE2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #3F0604

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

Preview Lab → · Contrast checker → · Palette generator →