#3A0304#3A0304

#3A0304 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.085 H 26.5°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#3A0304
RGB	rgb(58, 3, 4)
HSL	hsl(359, 90%, 12%)
HSV	hsv(359, 95%, 23%)
CMYK	cmyk(0%, 94.8%, 93.1%, 77.3%)
CIE-LAB	lab(8.77, 26.50, 12.15)
CIE-LCH	lch(8.77, 29.15, 24.63°)
OKLab	oklab(22.38% 0.0759 0.0378)
OKLCH	oklch(22.38% 0.085 26.5)
XYZ	xyz(1.7996, 0.9737, 0.2080)
Luminance	0.0097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0304 #033A39

analogous

#3A0320 #3A0304 #3A1E03

triadic

#3A0304 #043A03 #03043A

tetradic

#3A0304 #203A03 #033A39 #1E033A

square

#3A0304 #203A03 #033A39 #1E033A

split-complementary

#3A0304 #033A1E #03203A

monochromatic

#1D0202 #1D0202 #3A0304 #740608 #AE090C

Accessibility & contrast

On white

17.58

#3A0304 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#3A0304 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0304

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0304	#FFFFFF	#000000	##FFFFFF
##3A0304	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141104

Deuteranopia (green-blind)

#221D02

Tritanopia (blue-blind)

#410004

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #3a0304;
/* rgb */ color: rgb(58, 3, 4);
/* oklch */ color: oklch(22.4% 0.085 26.5);

Tailwind

colors: {
  custom: {
    50: '#754948',
    500: '#3a0304',
    950: '#000000',
  },
}

SCSS

$custom: #3a0304;
$custom-light: #754948;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0304",
  "rgb": {
    "r": 58,
    "g": 3,
    "b": 4
  },
  "hsl": {
    "h": 358.909,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22381,
    "c": 0.08477,
    "h": 26.5
  },
  "luminance": 0.00973
}

Semantic roles & 50–950 ramp

primary

#3A0304

secondary

#1C7D7B

accent

#FFFB29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3A0304

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

Preview Lab → · Contrast checker → · Palette generator →