#A43821#A43821

#A43821 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.147 H 33.7°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A43821
RGB	rgb(164, 56, 33)
HSL	hsl(11, 66%, 39%)
HSV	hsv(11, 80%, 64%)
CMYK	cmyk(0%, 65.9%, 79.9%, 35.7%)
CIE-LAB	lab(39.30, 43.36, 37.50)
CIE-LCH	lch(39.30, 57.33, 40.85°)
OKLab	oklab(49.32% 0.1225 0.0816)
OKLCH	oklch(49.32% 0.147 33.7)
XYZ	xyz(17.0004, 10.8331, 2.6344)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43821 #218DA4

analogous

#A4214C #A43821 #A47921

triadic

#A43821 #21A438 #3821A4

tetradic

#A43821 #4CA421 #218DA4 #7921A4

square

#A43821 #4CA421 #218DA4 #7921A4

split-complementary

#A43821 #21A479 #214CA4

monochromatic

#3E150C #712717 #A43821 #D54B2D #DF7760

Accessibility & contrast

On white

6.63

#A43821 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A43821 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43821

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43821	#FFFFFF	#000000	##FFFFFF
##A43821	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D1E

Deuteranopia (green-blind)

#72651D

Tritanopia (blue-blind)

#B51934

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a43821;
/* rgb */ color: rgb(164, 56, 33);
/* oklch */ color: oklch(49.3% 0.147 33.7);

Tailwind

colors: {
  custom: {
    50: '#c7745e',
    500: '#a43821',
    950: '#000000',
  },
}

SCSS

$custom: #a43821;
$custom-light: #c7745e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43821",
  "rgb": {
    "r": 164,
    "g": 56,
    "b": 33
  },
  "hsl": {
    "h": 10.534,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49321,
    "c": 0.14719,
    "h": 33.7
  },
  "luminance": 0.10831
}

Semantic roles & 50–950 ramp

primary

#A43821

secondary

#5DB2C4

accent

#CBE93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A43821

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

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