#3F0910#3F0910

#3F0910 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.082 H 18.9°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F0910
RGB	rgb(63, 9, 16)
HSL	hsl(352, 75%, 14%)
HSV	hsv(352, 86%, 25%)
CMYK	cmyk(0%, 85.7%, 74.6%, 75.3%)
CIE-LAB	lab(11.20, 26.12, 10.43)
CIE-LCH	lch(11.20, 28.13, 21.77°)
OKLab	oklab(24.47% 0.0775 0.0266)
OKLCH	oklch(24.47% 0.082 18.9)
XYZ	xyz(2.2414, 1.2899, 0.6211)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0910 #093F38

analogous

#3F092B #3F0910 #3F1D09

triadic

#3F0910 #103F09 #09103F

tetradic

#3F0910 #2B3F09 #093F38 #1D093F

square

#3F0910 #2B3F09 #093F38 #1D093F

split-complementary

#3F0910 #093F1D #092B3F

monochromatic

#1B0407 #1B0407 #3F0910 #75111E #AA182B

Accessibility & contrast

On white

16.69

#3F0910 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0910 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0910

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0910	#FFFFFF	#000000	##FFFFFF
##3F0910	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181710

Deuteranopia (green-blind)

#26220E

Tritanopia (blue-blind)

#46000C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0910;
/* rgb */ color: rgb(63, 9, 16);
/* oklch */ color: oklch(24.5% 0.082 18.9);

Tailwind

colors: {
  custom: {
    50: '#794e4e',
    500: '#3f0910',
    950: '#000000',
  },
}

SCSS

$custom: #3f0910;
$custom-light: #794e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0910",
  "rgb": {
    "r": 63,
    "g": 9,
    "b": 16
  },
  "hsl": {
    "h": 352.222,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2447,
    "c": 0.08191,
    "h": 18.9
  },
  "luminance": 0.0129
}

Semantic roles & 50–950 ramp

primary

#3F0910

secondary

#277D72

accent

#F2D936

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0910

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

Preview Lab → · Contrast checker → · Palette generator →