#A7381D#A7381D

#A7381D is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.151 H 34.7°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A7381D
RGB	rgb(167, 56, 29)
HSL	hsl(12, 70%, 38%)
HSV	hsv(12, 83%, 65%)
CMYK	cmyk(0%, 66.5%, 82.6%, 34.5%)
CIE-LAB	lab(39.81, 44.30, 40.25)
CIE-LCH	lch(39.81, 59.86, 42.26°)
OKLab	oklab(49.8% 0.1244 0.0861)
OKLCH	oklch(49.8% 0.151 34.7)
XYZ	xyz(17.5743, 11.1351, 2.3861)
Luminance	0.1113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7381D #1D8CA7

analogous

#A71D47 #A7381D #A77D1D

triadic

#A7381D #1DA738 #381DA7

tetradic

#A7381D #47A71D #1D8CA7 #7D1DA7

square

#A7381D #47A71D #1D8CA7 #7D1DA7

split-complementary

#A7381D #1DA77D #1D47A7

monochromatic

#3F150B #732714 #A7381D #DA4A28 #E3765C

Accessibility & contrast

On white

6.51

#A7381D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A7381D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7381D

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7381D	#FFFFFF	#000000	##FFFFFF
##A7381D	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E19

Deuteranopia (green-blind)

#746718

Tritanopia (blue-blind)

#B81733

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a7381d;
/* rgb */ color: rgb(167, 56, 29);
/* oklch */ color: oklch(49.8% 0.151 34.7);

Tailwind

colors: {
  custom: {
    50: '#ca745b',
    500: '#a7381d',
    950: '#000000',
  },
}

SCSS

$custom: #a7381d;
$custom-light: #ca745b;
$custom-dark: #000000;

JSON

{
  "hex": "#a7381d",
  "rgb": {
    "r": 167,
    "g": 56,
    "b": 29
  },
  "hsl": {
    "h": 11.739,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.49795,
    "c": 0.15124,
    "h": 34.7
  },
  "luminance": 0.11133
}

Semantic roles & 50–950 ramp

primary

#A7381D

secondary

#59B1C7

accent

#CAED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A7381D

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

Preview Lab → · Contrast checker → · Palette generator →