#3A0306#3A0306

#3A0306 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.084 H 24.2°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#3A0306
RGB	rgb(58, 3, 6)
HSL	hsl(357, 90%, 12%)
HSV	hsv(357, 95%, 23%)
CMYK	cmyk(0%, 94.8%, 89.7%, 77.3%)
CIE-LAB	lab(8.81, 26.61, 11.39)
CIE-LCH	lch(8.81, 28.94, 23.17°)
OKLab	oklab(22.42% 0.077 0.0346)
OKLCH	oklch(22.42% 0.084 24.2)
XYZ	xyz(1.8106, 0.9781, 0.2657)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0306 #033A37

analogous

#3A0322 #3A0306 #3A1C03

triadic

#3A0306 #063A03 #03063A

tetradic

#3A0306 #223A03 #033A37 #1C033A

square

#3A0306 #223A03 #033A37 #1C033A

split-complementary

#3A0306 #033A1C #03223A

monochromatic

#1D0203 #1D0203 #3A0306 #74060C #AE0912

Accessibility & contrast

On white

17.56

#3A0306 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A0306 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0306

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0306	#FFFFFF	#000000	##FFFFFF
##3A0306	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141106

Deuteranopia (green-blind)

#221D04

Tritanopia (blue-blind)

#410005

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #3a0306;
/* rgb */ color: rgb(58, 3, 6);
/* oklch */ color: oklch(22.4% 0.084 24.2);

Tailwind

colors: {
  custom: {
    50: '#754949',
    500: '#3a0306',
    950: '#000000',
  },
}

SCSS

$custom: #3a0306;
$custom-light: #754949;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0306",
  "rgb": {
    "r": 58,
    "g": 3,
    "b": 6
  },
  "hsl": {
    "h": 356.727,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.2242,
    "c": 0.08442,
    "h": 24.2
  },
  "luminance": 0.00978
}

Semantic roles & 50–950 ramp

primary

#3A0306

secondary

#1C7D77

accent

#FFF329

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3A0306

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

Preview Lab → · Contrast checker → · Palette generator →