#3F0C05#3F0C05

#3F0C05 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.080 H 31.7°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F0C05
RGB	rgb(63, 12, 5)
HSL	hsl(7, 85%, 13%)
HSV	hsv(7, 92%, 25%)
CMYK	cmyk(0%, 81%, 92.1%, 75.3%)
CIE-LAB	lab(11.49, 24.19, 15.75)
CIE-LCH	lch(11.49, 28.87, 33.06°)
OKLab	oklab(24.62% 0.0684 0.0423)
OKLCH	oklch(24.62% 0.08 31.7)
XYZ	xyz(2.2090, 1.3310, 0.2841)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0C05 #05383F

analogous

#3F051B #3F0C05 #3F2905

triadic

#3F0C05 #053F0C #0C053F

tetradic

#3F0C05 #1B3F05 #05383F #29053F

square

#3F0C05 #1B3F05 #05383F #29053F

split-complementary

#3F0C05 #053F29 #051B3F

monochromatic

#1C0502 #1C0502 #3F0C05 #781709 #B0220E

Accessibility & contrast

On white

16.59

#3F0C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3F0C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0C05

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0C05	#FFFFFF	#000000	##FFFFFF
##3F0C05	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1704

Deuteranopia (green-blind)

#282303

Tritanopia (blue-blind)

#46000B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0c05;
/* rgb */ color: rgb(63, 12, 5);
/* oklch */ color: oklch(24.6% 0.080 31.7);

Tailwind

colors: {
  custom: {
    50: '#794f49',
    500: '#3f0c05',
    950: '#000000',
  },
}

SCSS

$custom: #3f0c05;
$custom-light: #794f49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0c05",
  "rgb": {
    "r": 63,
    "g": 12,
    "b": 5
  },
  "hsl": {
    "h": 7.241,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24624,
    "c": 0.08041,
    "h": 31.7
  },
  "luminance": 0.01331
}

Semantic roles & 50–950 ramp

primary

#3F0C05

secondary

#207480

accent

#E3FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F0C05

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

Preview Lab → · Contrast checker → · Palette generator →