#A0371C#A0371C

#A0371C is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.5% C 0.145 H 35.2°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#A0371C
RGB	rgb(160, 55, 28)
HSL	hsl(12, 70%, 37%)
HSV	hsv(12, 83%, 63%)
CMYK	cmyk(0%, 65.6%, 82.5%, 37.3%)
CIE-LAB	lab(38.36, 42.19, 38.94)
CIE-LCH	lch(38.36, 57.41, 42.71°)
OKLab	oklab(48.47% 0.1183 0.0835)
OKLCH	oklch(48.47% 0.145 35.2)
XYZ	xyz(16.0748, 10.2922, 2.2385)
Luminance	0.1029 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0371C #1C85A0

analogous

#A01C43 #A0371C #A0791C

triadic

#A0371C #1CA037 #371CA0

tetradic

#A0371C #43A01C #1C85A0 #791CA0

square

#A0371C #43A01C #1C85A0 #791CA0

split-complementary

#A0371C #1CA079 #1C43A0

monochromatic

#38130A #6C2513 #A0371C #D44925 #E17255

Accessibility & contrast

On white

6.87

#A0371C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A0371C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0371C

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0371C	#FFFFFF	#000000	##FFFFFF
##A0371C	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C18

Deuteranopia (green-blind)

#6F6317

Tritanopia (blue-blind)

#B01932

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a0371c;
/* rgb */ color: rgb(160, 55, 28);
/* oklch */ color: oklch(48.5% 0.145 35.2);

Tailwind

colors: {
  custom: {
    50: '#c4735b',
    500: '#a0371c',
    950: '#000000',
  },
}

SCSS

$custom: #a0371c;
$custom-light: #c4735b;
$custom-dark: #000000;

JSON

{
  "hex": "#a0371c",
  "rgb": {
    "r": 160,
    "g": 55,
    "b": 28
  },
  "hsl": {
    "h": 12.273,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48466,
    "c": 0.14483,
    "h": 35.2
  },
  "luminance": 0.1029
}

Semantic roles & 50–950 ramp

primary

#A0371C

secondary

#53ADC4

accent

#C9ED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A0371C

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

Preview Lab → · Contrast checker → · Palette generator →