#A0381B#A0381B

#A0381B is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.6% C 0.144 H 35.9°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#A0381B
RGB	rgb(160, 56, 27)
HSL	hsl(13, 71%, 37%)
HSV	hsv(13, 83%, 63%)
CMYK	cmyk(0%, 65%, 83.1%, 37.3%)
CIE-LAB	lab(38.52, 41.71, 39.59)
CIE-LCH	lch(38.52, 57.51, 43.51°)
OKLab	oklab(48.58% 0.1167 0.0846)
OKLCH	oklch(48.58% 0.144 35.9)
XYZ	xyz(16.1110, 10.3834, 2.1926)
Luminance	0.1038 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0381B #1B83A0

analogous

#A01B40 #A0381B #A07B1B

triadic

#A0381B #1BA038 #381BA0

tetradic

#A0381B #40A01B #1B83A0 #7B1BA0

square

#A0381B #40A01B #1B83A0 #7B1BA0

split-complementary

#A0381B #1BA07B #1B40A0

monochromatic

#371309 #6C2612 #A0381B #D44A24 #E27253

Accessibility & contrast

On white

6.83

#A0381B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A0381B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0381B

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0381B	#FFFFFF	#000000	##FFFFFF
##A0381B	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C16

Deuteranopia (green-blind)

#706316

Tritanopia (blue-blind)

#B01B32

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a0381b;
/* rgb */ color: rgb(160, 56, 27);
/* oklch */ color: oklch(48.6% 0.144 35.9);

Tailwind

colors: {
  custom: {
    50: '#c4735a',
    500: '#a0381b',
    950: '#000000',
  },
}

SCSS

$custom: #a0381b;
$custom-light: #c4735a;
$custom-dark: #000000;

JSON

{
  "hex": "#a0381b",
  "rgb": {
    "r": 160,
    "g": 56,
    "b": 27
  },
  "hsl": {
    "h": 13.083,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.48584,
    "c": 0.14411,
    "h": 35.9
  },
  "luminance": 0.10381
}

Semantic roles & 50–950 ramp

primary

#A0381B

secondary

#52ACC5

accent

#C7EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A0381B

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

Preview Lab → · Contrast checker → · Palette generator →