#A1371C#A1371C

#A1371C is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.6% C 0.146 H 35.1°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#A1371C
RGB	rgb(161, 55, 28)
HSL	hsl(12, 70%, 37%)
HSV	hsv(12, 83%, 63%)
CMYK	cmyk(0%, 65.8%, 82.6%, 36.9%)
CIE-LAB	lab(38.54, 42.55, 39.17)
CIE-LCH	lch(38.54, 57.84, 42.63°)
OKLab	oklab(48.64% 0.1194 0.0839)
OKLCH	oklch(48.64% 0.146 35.1)
XYZ	xyz(16.2756, 10.3957, 2.2479)
Luminance	0.1039 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1371C #1C86A1

analogous

#A11C44 #A1371C #A1791C

triadic

#A1371C #1CA137 #371CA1

tetradic

#A1371C #44A11C #1C86A1 #791CA1

square

#A1371C #44A11C #1C86A1 #791CA1

split-complementary

#A1371C #1CA179 #1C44A1

monochromatic

#39130A #6D2513 #A1371C #D54925 #E27256

Accessibility & contrast

On white

6.82

#A1371C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A1371C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1371C

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1371C	#FFFFFF	#000000	##FFFFFF
##A1371C	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)

#564C18

Deuteranopia (green-blind)

#706317

Tritanopia (blue-blind)

#B21832

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a1371c;
/* rgb */ color: rgb(161, 55, 28);
/* oklch */ color: oklch(48.6% 0.146 35.1);

Tailwind

colors: {
  custom: {
    50: '#c5735b',
    500: '#a1371c',
    950: '#000000',
  },
}

SCSS

$custom: #a1371c;
$custom-light: #c5735b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1371c",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 28
  },
  "hsl": {
    "h": 12.18,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.48637,
    "c": 0.14591,
    "h": 35.1
  },
  "luminance": 0.10393
}

Semantic roles & 50–950 ramp

primary

#A1371C

secondary

#54AEC5

accent

#C9ED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1371C

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

Preview Lab → · Contrast checker → · Palette generator →