#3F0A08#3F0A08

#3F0A08 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.4% C 0.082 H 27.4°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F0A08
RGB	rgb(63, 10, 8)
HSL	hsl(2, 77%, 14%)
HSV	hsv(2, 87%, 25%)
CMYK	cmyk(0%, 84.1%, 87.3%, 75.3%)
CIE-LAB	lab(11.22, 25.23, 14.15)
CIE-LCH	lch(11.22, 28.93, 29.28°)
OKLab	oklab(24.44% 0.0726 0.0377)
OKLCH	oklch(24.44% 0.082 27.4)
XYZ	xyz(2.2025, 1.2917, 0.3630)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0A08 #083D3F

analogous

#3F0822 #3F0A08 #3F2608

triadic

#3F0A08 #083F0A #0A083F

tetradic

#3F0A08 #223F08 #083D3F #26083F

square

#3F0A08 #223F08 #083D3F #26083F

split-complementary

#3F0A08 #083F26 #08223F

monochromatic

#1B0403 #1B0403 #3F0A08 #75130F #AC1B16

Accessibility & contrast

On white

16.69

#3F0A08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0A08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0A08

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0A08	#FFFFFF	#000000	##FFFFFF
##3F0A08	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)

#1A1707

Deuteranopia (green-blind)

#272206

Tritanopia (blue-blind)

#46000A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0a08;
/* rgb */ color: rgb(63, 10, 8);
/* oklch */ color: oklch(24.4% 0.082 27.4);

Tailwind

colors: {
  custom: {
    50: '#794e4a',
    500: '#3f0a08',
    950: '#000000',
  },
}

SCSS

$custom: #3f0a08;
$custom-light: #794e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0a08",
  "rgb": {
    "r": 63,
    "g": 10,
    "b": 8
  },
  "hsl": {
    "h": 2.182,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24435,
    "c": 0.08175,
    "h": 27.4
  },
  "luminance": 0.01291
}

Semantic roles & 50–950 ramp

primary

#3F0A08

secondary

#257A7E

accent

#EDF434

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0A08

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

Preview Lab → · Contrast checker → · Palette generator →