#A43C21#A43C21

#A43C21 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.8% C 0.143 H 35.4°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#A43C21
RGB	rgb(164, 60, 33)
HSL	hsl(12, 66%, 39%)
HSV	hsv(12, 80%, 64%)
CMYK	cmyk(0%, 63.4%, 79.9%, 35.7%)
CIE-LAB	lab(39.98, 41.55, 38.18)
CIE-LCH	lch(39.98, 56.43, 42.58°)
OKLab	oklab(49.83% 0.1169 0.0831)
OKLCH	oklch(49.83% 0.143 35.4)
XYZ	xyz(17.2021, 11.2365, 2.7016)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43C21 #2189A4

analogous

#A42148 #A43C21 #A47D21

triadic

#A43C21 #21A43C #3C21A4

tetradic

#A43C21 #48A421 #2189A4 #7D21A4

square

#A43C21 #48A421 #2189A4 #7D21A4

split-complementary

#A43C21 #21A47D #2148A4

monochromatic

#3E170C #712917 #A43C21 #D5502D #DF7A60

Accessibility & contrast

On white

6.47

#A43C21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A43C21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43C21

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43C21	#FFFFFF	#000000	##FFFFFF
##A43C21	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59501D

Deuteranopia (green-blind)

#73671D

Tritanopia (blue-blind)

#B52137

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a43c21;
/* rgb */ color: rgb(164, 60, 33);
/* oklch */ color: oklch(49.8% 0.143 35.4);

Tailwind

colors: {
  custom: {
    50: '#c7765e',
    500: '#a43c21',
    950: '#000000',
  },
}

SCSS

$custom: #a43c21;
$custom-light: #c7765e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43c21",
  "rgb": {
    "r": 164,
    "g": 60,
    "b": 33
  },
  "hsl": {
    "h": 12.366,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49832,
    "c": 0.14341,
    "h": 35.4
  },
  "luminance": 0.11234
}

Semantic roles & 50–950 ramp

primary

#A43C21

secondary

#5DAFC4

accent

#C6E93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A43C21

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

Preview Lab → · Contrast checker → · Palette generator →