#A7381E#A7381E

#A7381E is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.151 H 34.4°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A7381E
RGB	rgb(167, 56, 30)
HSL	hsl(11, 70%, 39%)
HSV	hsv(11, 82%, 65%)
CMYK	cmyk(0%, 66.5%, 82%, 34.5%)
CIE-LAB	lab(39.82, 44.33, 39.75)
CIE-LCH	lch(39.82, 59.55, 41.88°)
OKLab	oklab(49.8% 0.1246 0.0853)
OKLCH	oklch(49.8% 0.151 34.4)
XYZ	xyz(17.5869, 11.1402, 2.4523)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7381E #1E8DA7

analogous

#A71E48 #A7381E #A77C1E

triadic

#A7381E #1EA738 #381EA7

tetradic

#A7381E #48A71E #1E8DA7 #7C1EA7

square

#A7381E #48A71E #1E8DA7 #7C1EA7

split-complementary

#A7381E #1EA77C #1E48A7

monochromatic

#3F150B #732715 #A7381E #D94B2A #E2775D

Accessibility & contrast

On white

6.51

#A7381E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A7381E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7381E

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7381E	#FFFFFF	#000000	##FFFFFF
##A7381E	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)

#584E1A

Deuteranopia (green-blind)

#736719

Tritanopia (blue-blind)

#B81733

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a7381e;
/* rgb */ color: rgb(167, 56, 30);
/* oklch */ color: oklch(49.8% 0.151 34.4);

Tailwind

colors: {
  custom: {
    50: '#ca745c',
    500: '#a7381e',
    950: '#000000',
  },
}

SCSS

$custom: #a7381e;
$custom-light: #ca745c;
$custom-dark: #000000;

JSON

{
  "hex": "#a7381e",
  "rgb": {
    "r": 167,
    "g": 56,
    "b": 30
  },
  "hsl": {
    "h": 11.387,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49804,
    "c": 0.15104,
    "h": 34.4
  },
  "luminance": 0.11138
}

Semantic roles & 50–950 ramp

primary

#A7381E

secondary

#5BB2C6

accent

#CBEC3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A7381E

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

Preview Lab → · Contrast checker → · Palette generator →