#A43B28#A43B28

#A43B28 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.8% C 0.143 H 32.4°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#A43B28
RGB	rgb(164, 59, 40)
HSL	hsl(9, 61%, 40%)
HSV	hsv(9, 76%, 64%)
CMYK	cmyk(0%, 64%, 75.6%, 35.7%)
CIE-LAB	lab(39.88, 42.29, 34.26)
CIE-LCH	lch(39.88, 54.43, 39.01°)
OKLab	oklab(49.78% 0.1205 0.0766)
OKLCH	oklch(49.78% 0.143 32.4)
XYZ	xyz(17.2587, 11.1761, 3.2555)
Luminance	0.1117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43B28 #2891A4

analogous

#A42853 #A43B28 #A47928

triadic

#A43B28 #28A43B #3B28A4

tetradic

#A43B28 #53A428 #2891A4 #7928A4

square

#A43B28 #53A428 #2891A4 #7928A4

split-complementary

#A43B28 #28A479 #2853A4

monochromatic

#421810 #73291C #A43B28 #CF513A #DB7D6B

Accessibility & contrast

On white

6.49

#A43B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A43B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43B28

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43B28	#FFFFFF	#000000	##FFFFFF
##A43B28	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F25

Deuteranopia (green-blind)

#726724

Tritanopia (blue-blind)

#B42037

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a43b28;
/* rgb */ color: rgb(164, 59, 40);
/* oklch */ color: oklch(49.8% 0.143 32.4);

Tailwind

colors: {
  custom: {
    50: '#c67663',
    500: '#a43b28',
    950: '#000000',
  },
}

SCSS

$custom: #a43b28;
$custom-light: #c67663;
$custom-dark: #000000;

JSON

{
  "hex": "#a43b28",
  "rgb": {
    "r": 164,
    "g": 59,
    "b": 40
  },
  "hsl": {
    "h": 9.194,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.49779,
    "c": 0.14278,
    "h": 32.4
  },
  "luminance": 0.11174
}

Semantic roles & 50–950 ramp

primary

#A43B28

secondary

#66B4C1

accent

#CBE444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A43B28

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

Preview Lab → · Contrast checker → · Palette generator →