#A1372B#A1372B

#A1372B is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.143 H 29.6°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A1372B
RGB	rgb(161, 55, 43)
HSL	hsl(6, 58%, 40%)
HSV	hsv(6, 73%, 63%)
CMYK	cmyk(0%, 65.8%, 73.3%, 36.9%)
CIE-LAB	lab(38.70, 43.15, 31.09)
CIE-LCH	lch(38.70, 53.18, 35.77°)
OKLab	oklab(48.81% 0.1242 0.0705)
OKLCH	oklch(48.81% 0.143 29.6)
XYZ	xyz(16.5019, 10.4862, 3.4401)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1372B #2B95A1

analogous

#A12B5A #A1372B #A1722B

triadic

#A1372B #2BA137 #372BA1

tetradic

#A1372B #5AA12B #2B95A1 #722BA1

square

#A1372B #5AA12B #2B95A1 #722BA1

split-complementary

#A1372B #2BA172 #2B5AA1

monochromatic

#401611 #71271E #A1372B #CB4C3E #D8796E

Accessibility & contrast

On white

6.78

#A1372B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A1372B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1372B

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1372B	#FFFFFF	#000000	##FFFFFF
##A1372B	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D29

Deuteranopia (green-blind)

#6F6428

Tritanopia (blue-blind)

#B11B35

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a1372b;
/* rgb */ color: rgb(161, 55, 43);
/* oklch */ color: oklch(48.8% 0.143 29.6);

Tailwind

colors: {
  custom: {
    50: '#c47365',
    500: '#a1372b',
    950: '#000000',
  },
}

SCSS

$custom: #a1372b;
$custom-light: #c47365;
$custom-dark: #000000;

JSON

{
  "hex": "#a1372b",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 43
  },
  "hsl": {
    "h": 6.102,
    "s": 57.843,
    "l": 40
  },
  "oklch": {
    "l": 0.48806,
    "c": 0.1428,
    "h": 29.6
  },
  "luminance": 0.10484
}

Semantic roles & 50–950 ramp

primary

#A1372B

secondary

#69B6BF

accent

#D1E147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140805

muted

#837B7A

Preview Lab

Preview with #A1372B

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

Preview Lab → · Contrast checker → · Palette generator →