#3B0709#3B0709

#3B0709 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.080 H 24.1°. Best body text is #FFFFFF at 17.21:1 contrast (WCAG AA passes).

Color values

HEX	#3B0709
RGB	rgb(59, 7, 9)
HSL	hsl(358, 79%, 13%)
HSV	hsv(358, 88%, 23%)
CMYK	cmyk(0%, 88.1%, 84.7%, 76.9%)
CIE-LAB	lab(9.81, 25.13, 11.63)
CIE-LCH	lch(9.81, 27.69, 24.84°)
OKLab	oklab(23.23% 0.0731 0.0327)
OKLCH	oklch(23.23% 0.08 24.1)
XYZ	xyz(1.9291, 1.1018, 0.3695)
Luminance	0.0110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0709 #073B39

analogous

#3B0723 #3B0709 #3B1F07

triadic

#3B0709 #093B07 #07093B

tetradic

#3B0709 #233B07 #073B39 #1F073B

square

#3B0709 #233B07 #073B39 #1F073B

split-complementary

#3B0709 #073B1F #07233B

monochromatic

#1B0304 #1B0304 #3B0709 #720D11 #A8141A

Accessibility & contrast

On white

17.21

#3B0709 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3B0709 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0709

17.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0709	#FFFFFF	#000000	##FFFFFF
##3B0709	1.00	17.21	1.22	17.21
#FFFFFF	17.21	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171409

Deuteranopia (green-blind)

#241F07

Tritanopia (blue-blind)

#420008

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3b0709;
/* rgb */ color: rgb(59, 7, 9);
/* oklch */ color: oklch(23.2% 0.080 24.1);

Tailwind

colors: {
  custom: {
    50: '#764c4a',
    500: '#3b0709',
    950: '#000000',
  },
}

SCSS

$custom: #3b0709;
$custom-light: #764c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0709",
  "rgb": {
    "r": 59,
    "g": 7,
    "b": 9
  },
  "hsl": {
    "h": 357.692,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23225,
    "c": 0.08007,
    "h": 24.1
  },
  "luminance": 0.01101
}

Semantic roles & 50–950 ramp

primary

#3B0709

secondary

#237A77

accent

#F5EE33

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0709

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

Preview Lab → · Contrast checker → · Palette generator →