#A7381A#A7381A

#A7381A is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.152 H 35.5°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A7381A
RGB	rgb(167, 56, 26)
HSL	hsl(13, 73%, 38%)
HSV	hsv(13, 84%, 65%)
CMYK	cmyk(0%, 66.5%, 84.4%, 34.5%)
CIE-LAB	lab(39.78, 44.21, 41.70)
CIE-LCH	lch(39.78, 60.78, 43.33°)
OKLab	oklab(49.77% 0.1236 0.0882)
OKLCH	oklch(49.77% 0.152 35.5)
XYZ	xyz(17.5390, 11.1210, 2.2001)
Luminance	0.1112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7381A #1A89A7

analogous

#A71A42 #A7381A #A77E1A

triadic

#A7381A #1AA738 #381AA7

tetradic

#A7381A #42A71A #1A89A7 #7E1AA7

square

#A7381A #42A71A #1A89A7 #7E1AA7

split-complementary

#A7381A #1AA77E #1A42A7

monochromatic

#3D140A #722612 #A7381A #DC4A22 #E57557

Accessibility & contrast

On white

6.51

#A7381A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A7381A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7381A

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7381A	#FFFFFF	#000000	##FFFFFF
##A7381A	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E15

Deuteranopia (green-blind)

#746714

Tritanopia (blue-blind)

#B81632

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a7381a;
/* rgb */ color: rgb(167, 56, 26);
/* oklch */ color: oklch(49.8% 0.152 35.5);

Tailwind

colors: {
  custom: {
    50: '#ca745a',
    500: '#a7381a',
    950: '#000000',
  },
}

SCSS

$custom: #a7381a;
$custom-light: #ca745a;
$custom-dark: #000000;

JSON

{
  "hex": "#a7381a",
  "rgb": {
    "r": 167,
    "g": 56,
    "b": 26
  },
  "hsl": {
    "h": 12.766,
    "s": 73.057,
    "l": 37.843
  },
  "oklch": {
    "l": 0.49769,
    "c": 0.15182,
    "h": 35.5
  },
  "luminance": 0.11118
}

Semantic roles & 50–950 ramp

primary

#A7381A

secondary

#55AFC8

accent

#C9F038

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A7381A

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

Preview Lab → · Contrast checker → · Palette generator →