#A1371D#A1371D

#A1371D is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.6% C 0.146 H 34.8°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#A1371D
RGB	rgb(161, 55, 29)
HSL	hsl(12, 69%, 37%)
HSV	hsv(12, 82%, 63%)
CMYK	cmyk(0%, 65.8%, 82%, 36.9%)
CIE-LAB	lab(38.55, 42.58, 38.67)
CIE-LCH	lch(38.55, 57.52, 42.24°)
OKLab	oklab(48.65% 0.1196 0.0832)
OKLCH	oklch(48.65% 0.146 34.8)
XYZ	xyz(16.2877, 10.4005, 2.3120)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1371D #1D87A1

analogous

#A11D45 #A1371D #A1791D

triadic

#A1371D #1DA137 #371DA1

tetradic

#A1371D #45A11D #1D87A1 #791DA1

square

#A1371D #45A11D #1D87A1 #791DA1

split-complementary

#A1371D #1DA179 #1D45A1

monochromatic

#39140A #6D2514 #A1371D #D54926 #E17358

Accessibility & contrast

On white

6.82

#A1371D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A1371D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1371D

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1371D	#FFFFFF	#000000	##FFFFFF
##A1371D	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C19

Deuteranopia (green-blind)

#706318

Tritanopia (blue-blind)

#B11932

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a1371d;
/* rgb */ color: rgb(161, 55, 29);
/* oklch */ color: oklch(48.6% 0.146 34.8);

Tailwind

colors: {
  custom: {
    50: '#c5735b',
    500: '#a1371d',
    950: '#000000',
  },
}

SCSS

$custom: #a1371d;
$custom-light: #c5735b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1371d",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 29
  },
  "hsl": {
    "h": 11.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48646,
    "c": 0.1457,
    "h": 34.8
  },
  "luminance": 0.10398
}

Semantic roles & 50–950 ramp

primary

#A1371D

secondary

#55AFC4

accent

#C9EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1371D

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

Preview Lab → · Contrast checker → · Palette generator →