#A13A18#A13A18

#A13A18 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.0% C 0.144 H 37.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A13A18
RGB	rgb(161, 58, 24)
HSL	hsl(15, 74%, 36%)
HSV	hsv(15, 85%, 63%)
CMYK	cmyk(0%, 64%, 85.1%, 36.9%)
CIE-LAB	lab(39.02, 41.07, 41.56)
CIE-LCH	lch(39.02, 58.43, 45.34°)
OKLab	oklab(48.99% 0.1141 0.0878)
OKLCH	oklch(48.99% 0.144 37.6)
XYZ	xyz(16.3777, 10.6715, 2.0614)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13A18 #187FA1

analogous

#A1183A #A13A18 #A17F18

triadic

#A13A18 #18A13A #3A18A1

tetradic

#A13A18 #3AA118 #187FA1 #7F18A1

square

#A13A18 #3AA118 #187FA1 #7F18A1

split-complementary

#A13A18 #18A17F #183AA1

monochromatic

#361408 #6C2710 #A13A18 #D64D20 #E5744F

Accessibility & contrast

On white

6.70

#A13A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A13A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13A18

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13A18	#FFFFFF	#000000	##FFFFFF
##A13A18	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D12

Deuteranopia (green-blind)

#716413

Tritanopia (blue-blind)

#B21E33

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a13a18;
/* rgb */ color: rgb(161, 58, 24);
/* oklch */ color: oklch(49.0% 0.144 37.6);

Tailwind

colors: {
  custom: {
    50: '#c57558',
    500: '#a13a18',
    950: '#000000',
  },
}

SCSS

$custom: #a13a18;
$custom-light: #c57558;
$custom-dark: #000000;

JSON

{
  "hex": "#a13a18",
  "rgb": {
    "r": 161,
    "g": 58,
    "b": 24
  },
  "hsl": {
    "h": 14.891,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.48988,
    "c": 0.14398,
    "h": 37.6
  },
  "luminance": 0.10669
}

Semantic roles & 50–950 ramp

primary

#A13A18

secondary

#4EA9C7

accent

#C3F137

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140903

muted

#837B78

Preview Lab

Preview with #A13A18

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

Preview Lab → · Contrast checker → · Palette generator →