#A0371D#A0371D

#A0371D is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.5% C 0.145 H 34.9°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#A0371D
RGB	rgb(160, 55, 29)
HSL	hsl(12, 69%, 37%)
HSV	hsv(12, 82%, 63%)
CMYK	cmyk(0%, 65.6%, 81.9%, 37.3%)
CIE-LAB	lab(38.37, 42.22, 38.43)
CIE-LCH	lch(38.37, 57.10, 42.31°)
OKLab	oklab(48.48% 0.1186 0.0827)
OKLCH	oklch(48.48% 0.145 34.9)
XYZ	xyz(16.0870, 10.2970, 2.3026)
Luminance	0.1029 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0371D #1D86A0

analogous

#A01D45 #A0371D #A0781D

triadic

#A0371D #1DA037 #371DA0

tetradic

#A0371D #45A01D #1D86A0 #781DA0

square

#A0371D #45A01D #1D86A0 #781DA0

split-complementary

#A0371D #1DA078 #1D45A0

monochromatic

#38130A #6C2514 #A0371D #D44926 #E17257

Accessibility & contrast

On white

6.86

#A0371D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A0371D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0371D

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0371D	#FFFFFF	#000000	##FFFFFF
##A0371D	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C19

Deuteranopia (green-blind)

#6F6318

Tritanopia (blue-blind)

#B01932

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a0371d;
/* rgb */ color: rgb(160, 55, 29);
/* oklch */ color: oklch(48.5% 0.145 34.9);

Tailwind

colors: {
  custom: {
    50: '#c4735b',
    500: '#a0371d',
    950: '#000000',
  },
}

SCSS

$custom: #a0371d;
$custom-light: #c4735b;
$custom-dark: #000000;

JSON

{
  "hex": "#a0371d",
  "rgb": {
    "r": 160,
    "g": 55,
    "b": 29
  },
  "hsl": {
    "h": 11.908,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.48476,
    "c": 0.14462,
    "h": 34.9
  },
  "luminance": 0.10295
}

Semantic roles & 50–950 ramp

primary

#A0371D

secondary

#55AEC4

accent

#C9EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A0371D

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

Preview Lab → · Contrast checker → · Palette generator →