#A0391B#A0391B

#A0391B is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.7% C 0.143 H 36.4°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A0391B
RGB	rgb(160, 57, 27)
HSL	hsl(14, 71%, 37%)
HSV	hsv(14, 83%, 63%)
CMYK	cmyk(0%, 64.4%, 83.1%, 37.3%)
CIE-LAB	lab(38.69, 41.25, 39.75)
CIE-LCH	lch(38.69, 57.29, 43.94°)
OKLab	oklab(48.71% 0.1153 0.085)
OKLCH	oklch(48.71% 0.143 36.4)
XYZ	xyz(16.1600, 10.4813, 2.2089)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0391B #1B82A0

analogous

#A01B40 #A0391B #A07C1B

triadic

#A0391B #1BA039 #391BA0

tetradic

#A0391B #40A01B #1B82A0 #7C1BA0

square

#A0391B #40A01B #1B82A0 #7C1BA0

split-complementary

#A0391B #1BA07C #1B40A0

monochromatic

#371409 #6C2612 #A0391B #D44C24 #E27453

Accessibility & contrast

On white

6.78

#A0391B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A0391B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0391B

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0391B	#FFFFFF	#000000	##FFFFFF
##A0391B	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D16

Deuteranopia (green-blind)

#706416

Tritanopia (blue-blind)

#B01D33

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a0391b;
/* rgb */ color: rgb(160, 57, 27);
/* oklch */ color: oklch(48.7% 0.143 36.4);

Tailwind

colors: {
  custom: {
    50: '#c4745a',
    500: '#a0391b',
    950: '#000000',
  },
}

SCSS

$custom: #a0391b;
$custom-light: #c4745a;
$custom-dark: #000000;

JSON

{
  "hex": "#a0391b",
  "rgb": {
    "r": 160,
    "g": 57,
    "b": 27
  },
  "hsl": {
    "h": 13.534,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.48713,
    "c": 0.14318,
    "h": 36.4
  },
  "luminance": 0.10479
}

Semantic roles & 50–950 ramp

primary

#A0391B

secondary

#52ABC5

accent

#C5EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A0391B

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

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