#A43F21#A43F21

#A43F21 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.2% C 0.141 H 36.8°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#A43F21
RGB	rgb(164, 63, 33)
HSL	hsl(14, 66%, 39%)
HSV	hsv(14, 80%, 64%)
CMYK	cmyk(0%, 61.6%, 79.9%, 35.7%)
CIE-LAB	lab(40.51, 40.14, 38.71)
CIE-LCH	lch(40.51, 55.76, 43.96°)
OKLab	oklab(50.23% 0.1125 0.0843)
OKLCH	oklch(50.23% 0.141 36.8)
XYZ	xyz(17.3637, 11.5598, 2.7555)
Luminance	0.1156 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43F21 #2186A4

analogous

#A42145 #A43F21 #A48021

triadic

#A43F21 #21A43F #3F21A4

tetradic

#A43F21 #45A421 #2186A4 #8021A4

square

#A43F21 #45A421 #2186A4 #8021A4

split-complementary

#A43F21 #21A480 #2145A4

monochromatic

#3E180C #712B17 #A43F21 #D5542D #DF7D60

Accessibility & contrast

On white

6.34

#A43F21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A43F21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43F21

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43F21	#FFFFFF	#000000	##FFFFFF
##A43F21	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511D

Deuteranopia (green-blind)

#74681D

Tritanopia (blue-blind)

#B52639

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a43f21;
/* rgb */ color: rgb(164, 63, 33);
/* oklch */ color: oklch(50.2% 0.141 36.8);

Tailwind

colors: {
  custom: {
    50: '#c7785e',
    500: '#a43f21',
    950: '#000000',
  },
}

SCSS

$custom: #a43f21;
$custom-light: #c7785e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43f21",
  "rgb": {
    "r": 164,
    "g": 63,
    "b": 33
  },
  "hsl": {
    "h": 13.74,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.50233,
    "c": 0.14058,
    "h": 36.8
  },
  "luminance": 0.11557
}

Semantic roles & 50–950 ramp

primary

#A43F21

secondary

#5DACC4

accent

#C2E93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A43F21

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

Preview Lab → · Contrast checker → · Palette generator →