#3A0308#3A0308

#3A0308 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.084 H 22.1°. Best body text is #FFFFFF at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#3A0308
RGB	rgb(58, 3, 8)
HSL	hsl(355, 90%, 12%)
HSV	hsv(355, 95%, 23%)
CMYK	cmyk(0%, 94.8%, 86.2%, 77.3%)
CIE-LAB	lab(8.84, 26.71, 10.62)
CIE-LCH	lch(8.84, 28.75, 21.69°)
OKLab	oklab(22.46% 0.078 0.0316)
OKLCH	oklch(22.46% 0.084 22.1)
XYZ	xyz(1.8215, 0.9825, 0.3234)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0308 #033A35

analogous

#3A0324 #3A0308 #3A1A03

triadic

#3A0308 #083A03 #03083A

tetradic

#3A0308 #243A03 #033A35 #1A033A

square

#3A0308 #243A03 #033A35 #1A033A

split-complementary

#3A0308 #033A1A #03243A

monochromatic

#1D0204 #1D0204 #3A0308 #740610 #AE0918

Accessibility & contrast

On white

17.55

#3A0308 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A0308 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0308

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0308	#FFFFFF	#000000	##FFFFFF
##3A0308	1.00	17.55	1.20	17.55
#FFFFFF	17.55	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141108

Deuteranopia (green-blind)

#221D06

Tritanopia (blue-blind)

#410005

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #3a0308;
/* rgb */ color: rgb(58, 3, 8);
/* oklch */ color: oklch(22.5% 0.084 22.1);

Tailwind

colors: {
  custom: {
    50: '#75494a',
    500: '#3a0308',
    950: '#000000',
  },
}

SCSS

$custom: #3a0308;
$custom-light: #75494a;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0308",
  "rgb": {
    "r": 58,
    "g": 3,
    "b": 8
  },
  "hsl": {
    "h": 354.545,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22459,
    "c": 0.08419,
    "h": 22.1
  },
  "luminance": 0.00982
}

Semantic roles & 50–950 ramp

primary

#3A0308

secondary

#1C7D74

accent

#FFEC29

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A0308

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

Preview Lab → · Contrast checker → · Palette generator →