#A43C28#A43C28

#A43C28 is a mid, vivid red. Relative luminance 0.113; OKLCH L 49.9% C 0.142 H 32.9°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A43C28
RGB	rgb(164, 60, 40)
HSL	hsl(10, 61%, 40%)
HSV	hsv(10, 76%, 64%)
CMYK	cmyk(0%, 63.4%, 75.6%, 35.7%)
CIE-LAB	lab(40.05, 41.83, 34.45)
CIE-LCH	lch(40.05, 54.19, 39.47°)
OKLab	oklab(49.91% 0.1191 0.077)
OKLCH	oklch(49.91% 0.142 32.9)
XYZ	xyz(17.3106, 11.2799, 3.2728)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43C28 #2890A4

analogous

#A42852 #A43C28 #A47A28

triadic

#A43C28 #28A43C #3C28A4

tetradic

#A43C28 #52A428 #2890A4 #7A28A4

square

#A43C28 #52A428 #2890A4 #7A28A4

split-complementary

#A43C28 #28A47A #2852A4

monochromatic

#421810 #732A1C #A43C28 #CF523A #DB7D6B

Accessibility & contrast

On white

6.45

#A43C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A43C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43C28

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43C28	#FFFFFF	#000000	##FFFFFF
##A43C28	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595025

Deuteranopia (green-blind)

#736725

Tritanopia (blue-blind)

#B42238

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a43c28;
/* rgb */ color: rgb(164, 60, 40);
/* oklch */ color: oklch(49.9% 0.142 32.9);

Tailwind

colors: {
  custom: {
    50: '#c67663',
    500: '#a43c28',
    950: '#000000',
  },
}

SCSS

$custom: #a43c28;
$custom-light: #c67663;
$custom-dark: #000000;

JSON

{
  "hex": "#a43c28",
  "rgb": {
    "r": 164,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 9.677,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.49909,
    "c": 0.1418,
    "h": 32.9
  },
  "luminance": 0.11277
}

Semantic roles & 50–950 ramp

primary

#A43C28

secondary

#66B3C1

accent

#CAE444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A43C28

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

Preview Lab → · Contrast checker → · Palette generator →