#3A0505#3A0505

#3A0505 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.082 H 26.8°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#3A0505
RGB	rgb(58, 5, 5)
HSL	hsl(0, 84%, 12%)
HSV	hsv(0, 91%, 23%)
CMYK	cmyk(0%, 91.4%, 91.4%, 77.3%)
CIE-LAB	lab(9.15, 25.52, 12.29)
CIE-LCH	lch(9.15, 28.33, 25.71°)
OKLab	oklab(22.67% 0.0732 0.037)
OKLCH	oklch(22.67% 0.082 26.8)
XYZ	xyz(1.8268, 1.0193, 0.2441)
Luminance	0.0102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0505 #053A3A

analogous

#3A0520 #3A0505 #3A2005

triadic

#3A0505 #053A05 #05053A

tetradic

#3A0505 #203A05 #053A3A #20053A

square

#3A0505 #203A05 #053A3A #20053A

split-complementary

#3A0505 #053A20 #05203A

monochromatic

#1C0202 #1C0202 #3A0505 #720A0A #AB0F0F

Accessibility & contrast

On white

17.44

#3A0505 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A0505 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0505

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0505	#FFFFFF	#000000	##FFFFFF
##3A0505	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151204

Deuteranopia (green-blind)

#231E03

Tritanopia (blue-blind)

#410006

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3a0505;
/* rgb */ color: rgb(58, 5, 5);
/* oklch */ color: oklch(22.7% 0.082 26.8);

Tailwind

colors: {
  custom: {
    50: '#754a49',
    500: '#3a0505',
    950: '#000000',
  },
}

SCSS

$custom: #3a0505;
$custom-light: #754a49;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0505",
  "rgb": {
    "r": 58,
    "g": 5,
    "b": 5
  },
  "hsl": {
    "h": 0,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22669,
    "c": 0.08201,
    "h": 26.8
  },
  "luminance": 0.01019
}

Semantic roles & 50–950 ramp

primary

#3A0505

secondary

#207B7B

accent

#FAFA2D

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3A0505

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

Preview Lab → · Contrast checker → · Palette generator →