#A43A28#A43A28

#A43A28 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.144 H 32.0°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A43A28
RGB	rgb(164, 58, 40)
HSL	hsl(9, 61%, 40%)
HSV	hsv(9, 76%, 64%)
CMYK	cmyk(0%, 64.6%, 75.6%, 35.7%)
CIE-LAB	lab(39.71, 42.75, 34.08)
CIE-LCH	lch(39.71, 54.67, 38.56°)
OKLab	oklab(49.65% 0.1219 0.0762)
OKLCH	oklch(49.65% 0.144 32)
XYZ	xyz(17.2078, 11.0743, 3.2385)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43A28 #2892A4

analogous

#A42854 #A43A28 #A47828

triadic

#A43A28 #28A43A #3A28A4

tetradic

#A43A28 #54A428 #2892A4 #7828A4

square

#A43A28 #54A428 #2892A4 #7828A4

split-complementary

#A43A28 #28A478 #2854A4

monochromatic

#421710 #73291C #A43A28 #CF503A #DB7C6B

Accessibility & contrast

On white

6.53

#A43A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A43A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43A28

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43A28	#FFFFFF	#000000	##FFFFFF
##A43A28	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F25

Deuteranopia (green-blind)

#726624

Tritanopia (blue-blind)

#B41F36

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a43a28;
/* rgb */ color: rgb(164, 58, 40);
/* oklch */ color: oklch(49.7% 0.144 32.0);

Tailwind

colors: {
  custom: {
    50: '#c67563',
    500: '#a43a28',
    950: '#000000',
  },
}

SCSS

$custom: #a43a28;
$custom-light: #c67563;
$custom-dark: #000000;

JSON

{
  "hex": "#a43a28",
  "rgb": {
    "r": 164,
    "g": 58,
    "b": 40
  },
  "hsl": {
    "h": 8.71,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.49651,
    "c": 0.14377,
    "h": 32
  },
  "luminance": 0.11072
}

Semantic roles & 50–950 ramp

primary

#A43A28

secondary

#66B4C1

accent

#CDE444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A43A28

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

Preview Lab → · Contrast checker → · Palette generator →