#3A0909#3A0909

#3A0909 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.3% C 0.077 H 25.4°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#3A0909
RGB	rgb(58, 9, 9)
HSL	hsl(0, 73%, 13%)
HSV	hsv(0, 84%, 23%)
CMYK	cmyk(0%, 84.5%, 84.5%, 77.3%)
CIE-LAB	lab(9.91, 23.81, 11.74)
CIE-LCH	lch(9.91, 26.55, 26.25°)
OKLab	oklab(23.26% 0.0691 0.0329)
OKLCH	oklch(23.26% 0.077 25.4)
XYZ	xyz(1.8921, 1.1149, 0.3740)
Luminance	0.0112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0909 #093A3A

analogous

#3A0921 #3A0909 #3A2109

triadic

#3A0909 #093A09 #09093A

tetradic

#3A0909 #213A09 #093A3A #21093A

square

#3A0909 #213A09 #093A3A #21093A

split-complementary

#3A0909 #093A21 #09213A

monochromatic

#1A0404 #1A0404 #3A0909 #6F1111 #A41919

Accessibility & contrast

On white

17.17

#3A0909 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3A0909 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0909

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0909	#FFFFFF	#000000	##FFFFFF
##3A0909	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)

#171508

Deuteranopia (green-blind)

#241F07

Tritanopia (blue-blind)

#41000A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3a0909;
/* rgb */ color: rgb(58, 9, 9);
/* oklch */ color: oklch(23.3% 0.077 25.4);

Tailwind

colors: {
  custom: {
    50: '#754d4a',
    500: '#3a0909',
    950: '#000000',
  },
}

SCSS

$custom: #3a0909;
$custom-light: #754d4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0909",
  "rgb": {
    "r": 58,
    "g": 9,
    "b": 9
  },
  "hsl": {
    "h": 0,
    "s": 73.134,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23259,
    "c": 0.07651,
    "h": 25.4
  },
  "luminance": 0.01115
}

Semantic roles & 50–950 ramp

primary

#3A0909

secondary

#277878

accent

#F0F038

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A0909

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

Preview Lab → · Contrast checker → · Palette generator →