#3A0709#3A0709

#3A0709 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.0% C 0.079 H 23.9°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#3A0709
RGB	rgb(58, 7, 9)
HSL	hsl(358, 78%, 13%)
HSV	hsv(358, 88%, 23%)
CMYK	cmyk(0%, 87.9%, 84.5%, 77.3%)
CIE-LAB	lab(9.57, 24.76, 11.26)
CIE-LCH	lch(9.57, 27.20, 24.46°)
OKLab	oklab(23.01% 0.0721 0.032)
OKLCH	oklch(23.01% 0.079 23.9)
XYZ	xyz(1.8704, 1.0715, 0.3667)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0709 #073A38

analogous

#3A0722 #3A0709 #3A1E07

triadic

#3A0709 #093A07 #07093A

tetradic

#3A0709 #223A07 #073A38 #1E073A

square

#3A0709 #223A07 #073A38 #1E073A

split-complementary

#3A0709 #073A1E #07223A

monochromatic

#1B0304 #1B0304 #3A0709 #710E11 #A7141A

Accessibility & contrast

On white

17.30

#3A0709 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3A0709 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0709

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0709	#FFFFFF	#000000	##FFFFFF
##3A0709	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161409

Deuteranopia (green-blind)

#231F07

Tritanopia (blue-blind)

#410008

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3a0709;
/* rgb */ color: rgb(58, 7, 9);
/* oklch */ color: oklch(23.0% 0.079 23.9);

Tailwind

colors: {
  custom: {
    50: '#754c4a',
    500: '#3a0709',
    950: '#000000',
  },
}

SCSS

$custom: #3a0709;
$custom-light: #754c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0709",
  "rgb": {
    "r": 58,
    "g": 7,
    "b": 9
  },
  "hsl": {
    "h": 357.647,
    "s": 78.462,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23005,
    "c": 0.07888,
    "h": 23.9
  },
  "luminance": 0.01071
}

Semantic roles & 50–950 ramp

primary

#3A0709

secondary

#237976

accent

#F5ED33

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A0709

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

Preview Lab → · Contrast checker → · Palette generator →