#3A181E#3A181E

#3A181E is a dark, muted red. Relative luminance 0.016; OKLCH L 26.1% C 0.054 H 10.5°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#3A181E
RGB	rgb(58, 24, 30)
HSL	hsl(349, 41%, 16%)
HSV	hsv(349, 59%, 23%)
CMYK	cmyk(0%, 58.6%, 48.3%, 77.3%)
CIE-LAB	lab(13.51, 17.54, 3.76)
CIE-LCH	lch(13.51, 17.94, 12.09°)
OKLab	oklab(26.12% 0.0532 0.0098)
OKLCH	oklch(26.12% 0.054 10.5)
XYZ	xyz(2.3060, 1.6468, 1.4245)
Luminance	0.0165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A181E #183A34

analogous

#3A182F #3A181E #3A2318

triadic

#3A181E #1E3A18 #181E3A

tetradic

#3A181E #2F3A18 #183A34 #23183A

square

#3A181E #2F3A18 #183A34 #23183A

split-complementary

#3A181E #183A23 #182F3A

monochromatic

#16090B #16090B #3A181E #652A34 #913C4B

Accessibility & contrast

On white

15.80

#3A181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#3A181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A181E

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A181E	#FFFFFF	#000000	##FFFFFF
##3A181E	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1E

Deuteranopia (green-blind)

#27251D

Tritanopia (blue-blind)

#3F141A

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #3a181e;
/* rgb */ color: rgb(58, 24, 30);
/* oklch */ color: oklch(26.1% 0.054 10.5);

Tailwind

colors: {
  custom: {
    50: '#725659',
    500: '#3a181e',
    950: '#000000',
  },
}

SCSS

$custom: #3a181e;
$custom-light: #725659;
$custom-dark: #000000;

JSON

{
  "hex": "#3a181e",
  "rgb": {
    "r": 58,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 349.412,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26122,
    "c": 0.05409,
    "h": 10.5
  },
  "luminance": 0.01647
}

Semantic roles & 50–950 ramp

primary

#3A181E

secondary

#3E7067

accent

#D1BC57

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#080303

muted

#7B7878

Preview Lab

Preview with #3A181E

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

Preview Lab → · Contrast checker → · Palette generator →