#A8391B#A8391B

#A8391B is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.1% C 0.152 H 35.6°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#A8391B
RGB	rgb(168, 57, 27)
HSL	hsl(13, 72%, 38%)
HSV	hsv(13, 84%, 66%)
CMYK	cmyk(0%, 66.1%, 83.9%, 34.1%)
CIE-LAB	lab(40.14, 44.16, 41.61)
CIE-LCH	lch(40.14, 60.68, 43.29°)
OKLab	oklab(50.07% 0.1235 0.0883)
OKLCH	oklch(50.07% 0.152 35.6)
XYZ	xyz(17.8114, 11.3328, 2.2863)
Luminance	0.1133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8391B #1B8AA8

analogous

#A81B43 #A8391B #A87F1B

triadic

#A8391B #1BA839 #391BA8

tetradic

#A8391B #43A81B #1B8AA8 #7F1BA8

square

#A8391B #43A81B #1B8AA8 #7F1BA8

split-complementary

#A8391B #1BA87F #1B43A8

monochromatic

#3F150A #732713 #A8391B #DC4B24 #E47759

Accessibility & contrast

On white

6.43

#A8391B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#A8391B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A8391B

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8391B	#FFFFFF	#000000	##FFFFFF
##A8391B	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F16

Deuteranopia (green-blind)

#756815

Tritanopia (blue-blind)

#B91833

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a8391b;
/* rgb */ color: rgb(168, 57, 27);
/* oklch */ color: oklch(50.1% 0.152 35.6);

Tailwind

colors: {
  custom: {
    50: '#ca755a',
    500: '#a8391b',
    950: '#000000',
  },
}

SCSS

$custom: #a8391b;
$custom-light: #ca755a;
$custom-dark: #000000;

JSON

{
  "hex": "#a8391b",
  "rgb": {
    "r": 168,
    "g": 57,
    "b": 27
  },
  "hsl": {
    "h": 12.766,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.5007,
    "c": 0.15179,
    "h": 35.6
  },
  "luminance": 0.1133
}

Semantic roles & 50–950 ramp

primary

#A8391B

secondary

#57B0C8

accent

#C8EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A8391B

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

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