#A43E21#A43E21

#A43E21 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.142 H 36.4°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A43E21
RGB	rgb(164, 62, 33)
HSL	hsl(13, 66%, 39%)
HSV	hsv(13, 80%, 64%)
CMYK	cmyk(0%, 62.2%, 79.9%, 35.7%)
CIE-LAB	lab(40.33, 40.61, 38.53)
CIE-LCH	lch(40.33, 55.98, 43.49°)
OKLab	oklab(50.1% 0.114 0.0839)
OKLCH	oklch(50.1% 0.142 36.4)
XYZ	xyz(17.3089, 11.4500, 2.7372)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43E21 #2187A4

analogous

#A42146 #A43E21 #A47F21

triadic

#A43E21 #21A43E #3E21A4

tetradic

#A43E21 #46A421 #2187A4 #7F21A4

square

#A43E21 #46A421 #2187A4 #7F21A4

split-complementary

#A43E21 #21A47F #2146A4

monochromatic

#3E170C #712B17 #A43E21 #D5522D #DF7C60

Accessibility & contrast

On white

6.38

#A43E21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A43E21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43E21

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43E21	#FFFFFF	#000000	##FFFFFF
##A43E21	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511D

Deuteranopia (green-blind)

#74681D

Tritanopia (blue-blind)

#B52438

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a43e21;
/* rgb */ color: rgb(164, 62, 33);
/* oklch */ color: oklch(50.1% 0.142 36.4);

Tailwind

colors: {
  custom: {
    50: '#c7775e',
    500: '#a43e21',
    950: '#000000',
  },
}

SCSS

$custom: #a43e21;
$custom-light: #c7775e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43e21",
  "rgb": {
    "r": 164,
    "g": 62,
    "b": 33
  },
  "hsl": {
    "h": 13.282,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.50098,
    "c": 0.14152,
    "h": 36.4
  },
  "luminance": 0.11448
}

Semantic roles & 50–950 ramp

primary

#A43E21

secondary

#5DADC4

accent

#C4E93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A43E21

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

Preview Lab → · Contrast checker → · Palette generator →