#A9372B#A9372B

#A9372B is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.152 H 29.4°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#A9372B
RGB	rgb(169, 55, 43)
HSL	hsl(6, 59%, 42%)
HSV	hsv(6, 75%, 66%)
CMYK	cmyk(0%, 67.5%, 74.6%, 33.7%)
CIE-LAB	lab(40.15, 45.97, 33.12)
CIE-LCH	lch(40.15, 56.65, 35.77°)
OKLab	oklab(50.17% 0.132 0.0745)
OKLCH	oklch(50.17% 0.152 29.4)
XYZ	xyz(18.1664, 11.3445, 3.5182)
Luminance	0.1134 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9372B #2B9DA9

analogous

#A92B5E #A9372B #A9762B

triadic

#A9372B #2BA937 #372BA9

tetradic

#A9372B #5EA92B #2B9DA9 #762BA9

square

#A9372B #5EA92B #2B9DA9 #762BA9

split-complementary

#A9372B #2BA976 #2B5EA9

monochromatic

#471712 #78271F #A9372B #CF5042 #DB7D73

Accessibility & contrast

On white

6.43

#A9372B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#A9372B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A9372B

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9372B	#FFFFFF	#000000	##FFFFFF
##A9372B	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)

#574F29

Deuteranopia (green-blind)

#746827

Tritanopia (blue-blind)

#BA1635

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a9372b;
/* rgb */ color: rgb(169, 55, 43);
/* oklch */ color: oklch(50.2% 0.152 29.4);

Tailwind

colors: {
  custom: {
    50: '#ca7465',
    500: '#a9372b',
    950: '#000000',
  },
}

SCSS

$custom: #a9372b;
$custom-light: #ca7465;
$custom-dark: #000000;

JSON

{
  "hex": "#a9372b",
  "rgb": {
    "r": 169,
    "g": 55,
    "b": 43
  },
  "hsl": {
    "h": 5.714,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50169,
    "c": 0.1516,
    "h": 29.4
  },
  "luminance": 0.11342
}

Semantic roles & 50–950 ramp

primary

#A9372B

secondary

#6DBBC3

accent

#D4E345

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #A9372B

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

Preview Lab → · Contrast checker → · Palette generator →