#3A111B#3A111B

#3A111B is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.8% C 0.066 H 8.2°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#3A111B
RGB	rgb(58, 17, 27)
HSL	hsl(345, 55%, 15%)
HSV	hsv(345, 71%, 23%)
CMYK	cmyk(0%, 70.7%, 53.4%, 77.3%)
CIE-LAB	lab(11.82, 21.34, 3.58)
CIE-LCH	lch(11.82, 21.64, 9.53°)
OKLab	oklab(24.82% 0.0649 0.0094)
OKLCH	oklch(24.82% 0.066 8.2)
XYZ	xyz(2.1434, 1.3798, 1.1902)
Luminance	0.0138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A111B #113A30

analogous

#3A1130 #3A111B #3A1C11

triadic

#3A111B #1B3A11 #111B3A

tetradic

#3A111B #303A11 #113A30 #1C113A

square

#3A111B #303A11 #113A30 #1C113A

split-complementary

#3A111B #113A1C #11303A

monochromatic

#18070B #18070B #3A111B #691F31 #992D47

Accessibility & contrast

On white

16.46

#3A111B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3A111B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A111B

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A111B	#FFFFFF	#000000	##FFFFFF
##3A111B	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1A1B

Deuteranopia (green-blind)

#24221A

Tritanopia (blue-blind)

#400C15

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3a111b;
/* rgb */ color: rgb(58, 17, 27);
/* oklch */ color: oklch(24.8% 0.066 8.2);

Tailwind

colors: {
  custom: {
    50: '#735157',
    500: '#3a111b',
    950: '#000000',
  },
}

SCSS

$custom: #3a111b;
$custom-light: #735157;
$custom-dark: #000000;

JSON

{
  "hex": "#3a111b",
  "rgb": {
    "r": 58,
    "g": 17,
    "b": 27
  },
  "hsl": {
    "h": 345.366,
    "s": 54.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24822,
    "c": 0.06553,
    "h": 8.2
  },
  "luminance": 0.0138
}

Semantic roles & 50–950 ramp

primary

#3A111B

secondary

#337364

accent

#DEBA4A

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080203

muted

#7B7878

Preview Lab

Preview with #3A111B

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

Preview Lab → · Contrast checker → · Palette generator →