#A13B1A#A13B1A

#A13B1A is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.1% C 0.143 H 37.5°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#A13B1A
RGB	rgb(161, 59, 26)
HSL	hsl(15, 72%, 37%)
HSV	hsv(15, 84%, 63%)
CMYK	cmyk(0%, 63.4%, 83.9%, 36.9%)
CIE-LAB	lab(39.21, 40.67, 40.78)
CIE-LCH	lch(39.21, 57.59, 45.08°)
OKLab	oklab(49.14% 0.1132 0.0868)
OKLCH	oklch(49.14% 0.143 37.5)
XYZ	xyz(16.4502, 10.7819, 2.1920)
Luminance	0.1078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13B1A #1A80A1

analogous

#A11A3C #A13B1A #A17F1A

triadic

#A13B1A #1AA13B #3B1AA1

tetradic

#A13B1A #3CA11A #1A80A1 #7F1AA1

square

#A13B1A #3CA11A #1A80A1 #7F1AA1

split-complementary

#A13B1A #1AA17F #1A3CA1

monochromatic

#381409 #6C2811 #A13B1A #D64E23 #E37652

Accessibility & contrast

On white

6.65

#A13B1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A13B1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13B1A

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13B1A	#FFFFFF	#000000	##FFFFFF
##A13B1A	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E15

Deuteranopia (green-blind)

#716515

Tritanopia (blue-blind)

#B12035

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a13b1a;
/* rgb */ color: rgb(161, 59, 26);
/* oklch */ color: oklch(49.1% 0.143 37.5);

Tailwind

colors: {
  custom: {
    50: '#c5755a',
    500: '#a13b1a',
    950: '#000000',
  },
}

SCSS

$custom: #a13b1a;
$custom-light: #c5755a;
$custom-dark: #000000;

JSON

{
  "hex": "#a13b1a",
  "rgb": {
    "r": 161,
    "g": 59,
    "b": 26
  },
  "hsl": {
    "h": 14.667,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49135,
    "c": 0.14264,
    "h": 37.5
  },
  "luminance": 0.1078
}

Semantic roles & 50–950 ramp

primary

#A13B1A

secondary

#51A9C6

accent

#C2EF39

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A13B1A

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

Preview Lab → · Contrast checker → · Palette generator →