#A43F28#A43F28

#A43F28 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.3% C 0.139 H 34.3°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#A43F28
RGB	rgb(164, 63, 40)
HSL	hsl(11, 61%, 40%)
HSV	hsv(11, 76%, 64%)
CMYK	cmyk(0%, 61.6%, 75.6%, 35.7%)
CIE-LAB	lab(40.58, 40.43, 35.02)
CIE-LCH	lch(40.58, 53.49, 40.91°)
OKLab	oklab(50.31% 0.1147 0.0782)
OKLCH	oklch(50.31% 0.139 34.3)
XYZ	xyz(17.4722, 11.6031, 3.3267)
Luminance	0.1160 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43F28 #288DA4

analogous

#A4284F #A43F28 #A47D28

triadic

#A43F28 #28A43F #3F28A4

tetradic

#A43F28 #4FA428 #288DA4 #7D28A4

square

#A43F28 #4FA428 #288DA4 #7D28A4

split-complementary

#A43F28 #28A47D #284FA4

monochromatic

#421910 #732C1C #A43F28 #CF563A #DB806B

Accessibility & contrast

On white

6.32

#A43F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#A43F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43F28

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43F28	#FFFFFF	#000000	##FFFFFF
##A43F28	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5225

Deuteranopia (green-blind)

#746825

Tritanopia (blue-blind)

#B4273A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a43f28;
/* rgb */ color: rgb(164, 63, 40);
/* oklch */ color: oklch(50.3% 0.139 34.3);

Tailwind

colors: {
  custom: {
    50: '#c67863',
    500: '#a43f28',
    950: '#000000',
  },
}

SCSS

$custom: #a43f28;
$custom-light: #c67863;
$custom-dark: #000000;

JSON

{
  "hex": "#a43f28",
  "rgb": {
    "r": 164,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 11.129,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.50309,
    "c": 0.13885,
    "h": 34.3
  },
  "luminance": 0.11601
}

Semantic roles & 50–950 ramp

primary

#A43F28

secondary

#66B1C1

accent

#C6E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A43F28

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

Preview Lab → · Contrast checker → · Palette generator →