#3A121B#3A121B

#3A121B is a very dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.064 H 9.1°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#3A121B
RGB	rgb(58, 18, 27)
HSL	hsl(347, 53%, 15%)
HSV	hsv(347, 69%, 23%)
CMYK	cmyk(0%, 69%, 53.4%, 77.3%)
CIE-LAB	lab(12.03, 20.77, 3.88)
CIE-LCH	lch(12.03, 21.13, 10.59°)
OKLab	oklab(24.98% 0.0631 0.0101)
OKLCH	oklch(24.98% 0.064 9.1)
XYZ	xyz(2.1592, 1.4115, 1.1954)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A121B #123A31

analogous

#3A122F #3A121B #3A1D12

triadic

#3A121B #1B3A12 #121B3A

tetradic

#3A121B #2F3A12 #123A31 #1D123A

square

#3A121B #2F3A12 #123A31 #1D123A

split-complementary

#3A121B #123A1D #122F3A

monochromatic

#17070B #17070B #3A121B #692031 #972F46

Accessibility & contrast

On white

16.38

#3A121B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3A121B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A121B

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A121B	#FFFFFF	#000000	##FFFFFF
##3A121B	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1B1B

Deuteranopia (green-blind)

#25231A

Tritanopia (blue-blind)

#400D15

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3a121b;
/* rgb */ color: rgb(58, 18, 27);
/* oklch */ color: oklch(25.0% 0.064 9.1);

Tailwind

colors: {
  custom: {
    50: '#735257',
    500: '#3a121b',
    950: '#000000',
  },
}

SCSS

$custom: #3a121b;
$custom-light: #735257;
$custom-dark: #000000;

JSON

{
  "hex": "#3a121b",
  "rgb": {
    "r": 58,
    "g": 18,
    "b": 27
  },
  "hsl": {
    "h": 346.5,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2498,
    "c": 0.06388,
    "h": 9.1
  },
  "luminance": 0.01411
}

Semantic roles & 50–950 ramp

primary

#3A121B

secondary

#357365

accent

#DCBC4C

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080203

muted

#7B7878

Preview Lab

Preview with #3A121B

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

Preview Lab → · Contrast checker → · Palette generator →