#3A101A#3A101A

#3A101A is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.067 H 8.9°. Best body text is #FFFFFF at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#3A101A
RGB	rgb(58, 16, 26)
HSL	hsl(346, 57%, 15%)
HSV	hsv(346, 72%, 23%)
CMYK	cmyk(0%, 72.4%, 55.2%, 77.3%)
CIE-LAB	lab(11.59, 21.77, 4.00)
CIE-LCH	lch(11.59, 22.13, 10.41°)
OKLab	oklab(24.64% 0.0661 0.0104)
OKLCH	oklch(24.64% 0.067 8.9)
XYZ	xyz(2.1168, 1.3450, 1.1252)
Luminance	0.0135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A101A #103A30

analogous

#3A102F #3A101A #3A1B10

triadic

#3A101A #1A3A10 #101A3A

tetradic

#3A101A #2F3A10 #103A30 #1B103A

square

#3A101A #2F3A10 #103A30 #1B103A

split-complementary

#3A101A #103A1B #102F3A

monochromatic

#18070B #18070B #3A101A #6A1D30 #9A2A45

Accessibility & contrast

On white

16.55

#3A101A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3A101A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A101A

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A101A	#FFFFFF	#000000	##FFFFFF
##3A101A	1.00	16.55	1.27	16.55
#FFFFFF	16.55	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19191A

Deuteranopia (green-blind)

#242219

Tritanopia (blue-blind)

#400A14

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3a101a;
/* rgb */ color: rgb(58, 16, 26);
/* oklch */ color: oklch(24.6% 0.067 8.9);

Tailwind

colors: {
  custom: {
    50: '#735156',
    500: '#3a101a',
    950: '#000000',
  },
}

SCSS

$custom: #3a101a;
$custom-light: #735156;
$custom-dark: #000000;

JSON

{
  "hex": "#3a101a",
  "rgb": {
    "r": 58,
    "g": 16,
    "b": 26
  },
  "hsl": {
    "h": 345.714,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24635,
    "c": 0.06694,
    "h": 8.9
  },
  "luminance": 0.01345
}

Semantic roles & 50–950 ramp

primary

#3A101A

secondary

#327464

accent

#E0BC48

background

#F7F4F5

surface

#EDE7E8

border

#C8C3C4

text

#080203

muted

#7B7878

Preview Lab

Preview with #3A101A

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

Preview Lab → · Contrast checker → · Palette generator →