#3A0811#3A0811

#3A0811 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.3% C 0.077 H 15.6°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#3A0811
RGB	rgb(58, 8, 17)
HSL	hsl(349, 76%, 13%)
HSV	hsv(349, 86%, 23%)
CMYK	cmyk(0%, 86.2%, 70.7%, 77.3%)
CIE-LAB	lab(9.91, 24.81, 7.88)
CIE-LCH	lch(9.91, 26.03, 17.62°)
OKLab	oklab(23.31% 0.0743 0.0208)
OKLCH	oklch(23.31% 0.077 15.6)
XYZ	xyz(1.9331, 1.1140, 0.6434)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0811 #083A31

analogous

#3A082A #3A0811 #3A1808

triadic

#3A0811 #113A08 #08113A

tetradic

#3A0811 #2A3A08 #083A31 #18083A

square

#3A0811 #2A3A08 #083A31 #18083A

split-complementary

#3A0811 #083A18 #082A3A

monochromatic

#1B0408 #1B0408 #3A0811 #700F21 #A61731

Accessibility & contrast

On white

17.17

#3A0811 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3A0811 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0811

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0811	#FFFFFF	#000000	##FFFFFF
##3A0811	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161511

Deuteranopia (green-blind)

#221F10

Tritanopia (blue-blind)

#40000C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3a0811;
/* rgb */ color: rgb(58, 8, 17);
/* oklch */ color: oklch(23.3% 0.077 15.6);

Tailwind

colors: {
  custom: {
    50: '#744c4f',
    500: '#3a0811',
    950: '#000000',
  },
}

SCSS

$custom: #3a0811;
$custom-light: #744c4f;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0811",
  "rgb": {
    "r": 58,
    "g": 8,
    "b": 17
  },
  "hsl": {
    "h": 349.2,
    "s": 75.758,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23305,
    "c": 0.07718,
    "h": 15.6
  },
  "luminance": 0.01114
}

Semantic roles & 50–950 ramp

primary

#3A0811

secondary

#25796A

accent

#F2D035

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A0811

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

Preview Lab → · Contrast checker → · Palette generator →