#3B0405#3B0405

#3B0405 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.8% C 0.084 H 26.2°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#3B0405
RGB	rgb(59, 4, 5)
HSL	hsl(359, 87%, 12%)
HSV	hsv(359, 93%, 23%)
CMYK	cmyk(0%, 93.2%, 91.5%, 76.9%)
CIE-LAB	lab(9.22, 26.38, 12.42)
CIE-LCH	lch(9.22, 29.16, 25.21°)
OKLab	oklab(22.77% 0.0758 0.0372)
OKLCH	oklch(22.77% 0.084 26.2)
XYZ	xyz(1.8747, 1.0279, 0.2432)
Luminance	0.0103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0405 #043B3A

analogous

#3B0421 #3B0405 #3B1F04

triadic

#3B0405 #053B04 #04053B

tetradic

#3B0405 #213B04 #043B3A #1F043B

square

#3B0405 #213B04 #043B3A #1F043B

split-complementary

#3B0405 #043B1F #04213B

monochromatic

#1D0202 #1D0202 #3B0405 #74080A #AE0C0F

Accessibility & contrast

On white

17.42

#3B0405 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3B0405 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0405

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0405	#FFFFFF	#000000	##FFFFFF
##3B0405	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151205

Deuteranopia (green-blind)

#231E03

Tritanopia (blue-blind)

#420005

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3b0405;
/* rgb */ color: rgb(59, 4, 5);
/* oklch */ color: oklch(22.8% 0.084 26.2);

Tailwind

colors: {
  custom: {
    50: '#764a49',
    500: '#3b0405',
    950: '#000000',
  },
}

SCSS

$custom: #3b0405;
$custom-light: #764a49;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0405",
  "rgb": {
    "r": 59,
    "g": 4,
    "b": 5
  },
  "hsl": {
    "h": 358.909,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22765,
    "c": 0.0844,
    "h": 26.2
  },
  "luminance": 0.01028
}

Semantic roles & 50–950 ramp

primary

#3B0405

secondary

#1E7D7B

accent

#FDFA2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3B0405

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

Preview Lab → · Contrast checker → · Palette generator →