#A43621#A43621

#A43621 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.149 H 32.9°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#A43621
RGB	rgb(164, 54, 33)
HSL	hsl(10, 66%, 39%)
HSV	hsv(10, 80%, 64%)
CMYK	cmyk(0%, 67.1%, 79.9%, 35.7%)
CIE-LAB	lab(38.97, 44.24, 37.17)
CIE-LCH	lch(38.97, 57.78, 40.04°)
OKLab	oklab(49.08% 0.1252 0.0809)
OKLCH	oklch(49.08% 0.149 32.9)
XYZ	xyz(16.9054, 10.6431, 2.6027)
Luminance	0.1064 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43621 #218FA4

analogous

#A4214D #A43621 #A47721

triadic

#A43621 #21A436 #3621A4

tetradic

#A43621 #4DA421 #218FA4 #7721A4

square

#A43621 #4DA421 #218FA4 #7721A4

split-complementary

#A43621 #21A477 #214DA4

monochromatic

#3E140C #712517 #A43621 #D5482D #DF7560

Accessibility & contrast

On white

6.71

#A43621 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A43621 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43621

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43621	#FFFFFF	#000000	##FFFFFF
##A43621	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C1E

Deuteranopia (green-blind)

#71651C

Tritanopia (blue-blind)

#B51532

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a43621;
/* rgb */ color: rgb(164, 54, 33);
/* oklch */ color: oklch(49.1% 0.149 32.9);

Tailwind

colors: {
  custom: {
    50: '#c7735e',
    500: '#a43621',
    950: '#000000',
  },
}

SCSS

$custom: #a43621;
$custom-light: #c7735e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43621",
  "rgb": {
    "r": 164,
    "g": 54,
    "b": 33
  },
  "hsl": {
    "h": 9.618,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49077,
    "c": 0.14907,
    "h": 32.9
  },
  "luminance": 0.10641
}

Semantic roles & 50–950 ramp

primary

#A43621

secondary

#5DB3C4

accent

#CEE93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A43621

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

Preview Lab → · Contrast checker → · Palette generator →