#3A0405#3A0405

#3A0405 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.083 H 26.1°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#3A0405
RGB	rgb(58, 4, 5)
HSL	hsl(359, 87%, 12%)
HSV	hsv(359, 93%, 23%)
CMYK	cmyk(0%, 93.1%, 91.4%, 77.3%)
CIE-LAB	lab(8.97, 26.03, 12.03)
CIE-LCH	lch(8.97, 28.68, 24.80°)
OKLab	oklab(22.54% 0.0748 0.0366)
OKLCH	oklch(22.54% 0.083 26.1)
XYZ	xyz(1.8160, 0.9976, 0.2405)
Luminance	0.0100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0405 #043A39

analogous

#3A0420 #3A0405 #3A1E04

triadic

#3A0405 #053A04 #04053A

tetradic

#3A0405 #203A04 #043A39 #1E043A

square

#3A0405 #203A04 #043A39 #1E043A

split-complementary

#3A0405 #043A1E #04203A

monochromatic

#1D0202 #1D0202 #3A0405 #73080A #AD0C0F

Accessibility & contrast

On white

17.51

#3A0405 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A0405 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0405

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0405	#FFFFFF	#000000	##FFFFFF
##3A0405	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151205

Deuteranopia (green-blind)

#221E03

Tritanopia (blue-blind)

#410005

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #3a0405;
/* rgb */ color: rgb(58, 4, 5);
/* oklch */ color: oklch(22.5% 0.083 26.1);

Tailwind

colors: {
  custom: {
    50: '#754a49',
    500: '#3a0405',
    950: '#000000',
  },
}

SCSS

$custom: #3a0405;
$custom-light: #754a49;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0405",
  "rgb": {
    "r": 58,
    "g": 4,
    "b": 5
  },
  "hsl": {
    "h": 358.889,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22536,
    "c": 0.08327,
    "h": 26.1
  },
  "luminance": 0.00997
}

Semantic roles & 50–950 ramp

primary

#3A0405

secondary

#1E7C7A

accent

#FDF92B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3A0405

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

Preview Lab → · Contrast checker → · Palette generator →