#3A1018#3A1018

#3A1018 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.067 H 12.0°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#3A1018
RGB	rgb(58, 16, 24)
HSL	hsl(349, 57%, 15%)
HSV	hsv(349, 72%, 23%)
CMYK	cmyk(0%, 72.4%, 58.6%, 77.3%)
CIE-LAB	lab(11.53, 21.55, 5.42)
CIE-LCH	lch(11.53, 22.22, 14.11°)
OKLab	oklab(24.57% 0.0652 0.0138)
OKLCH	oklch(24.57% 0.067 12)
XYZ	xyz(2.0953, 1.3363, 1.0116)
Luminance	0.0134 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A1018 #103A32

analogous

#3A102D #3A1018 #3A1D10

triadic

#3A1018 #183A10 #10183A

tetradic

#3A1018 #2D3A10 #103A32 #1D103A

square

#3A1018 #2D3A10 #103A32 #1D103A

split-complementary

#3A1018 #103A1D #102D3A

monochromatic

#18070A #18070A #3A1018 #6A1D2C #9A2A40

Accessibility & contrast

On white

16.57

#3A1018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3A1018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A1018

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A1018	#FFFFFF	#000000	##FFFFFF
##3A1018	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1918

Deuteranopia (green-blind)

#242217

Tritanopia (blue-blind)

#400913

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3a1018;
/* rgb */ color: rgb(58, 16, 24);
/* oklch */ color: oklch(24.6% 0.067 12.0);

Tailwind

colors: {
  custom: {
    50: '#735154',
    500: '#3a1018',
    950: '#000000',
  },
}

SCSS

$custom: #3a1018;
$custom-light: #735154;
$custom-dark: #000000;

JSON

{
  "hex": "#3a1018",
  "rgb": {
    "r": 58,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 348.571,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24572,
    "c": 0.06662,
    "h": 12
  },
  "luminance": 0.01336
}

Semantic roles & 50–950 ramp

primary

#3A1018

secondary

#327467

accent

#E0C348

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #3A1018

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

Preview Lab → · Contrast checker → · Palette generator →