#A43021#A43021

#A43021 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.155 H 30.7°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#A43021
RGB	rgb(164, 48, 33)
HSL	hsl(7, 66%, 39%)
HSV	hsv(7, 80%, 64%)
CMYK	cmyk(0%, 70.7%, 79.9%, 35.7%)
CIE-LAB	lab(38.05, 46.73, 36.24)
CIE-LCH	lch(38.05, 59.14, 37.79°)
OKLab	oklab(48.39% 0.133 0.0789)
OKLCH	oklch(48.39% 0.155 30.7)
XYZ	xyz(16.6432, 10.1188, 2.5153)
Luminance	0.1012 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43021 #2195A4

analogous

#A42153 #A43021 #A47121

triadic

#A43021 #21A430 #3021A4

tetradic

#A43021 #53A421 #2195A4 #7121A4

square

#A43021 #53A421 #2195A4 #7121A4

split-complementary

#A43021 #21A471 #2153A4

monochromatic

#3E120C #712117 #A43021 #D5412D #DF6F60

Accessibility & contrast

On white

6.95

#A43021 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#A43021 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43021

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43021	#FFFFFF	#000000	##FFFFFF
##A43021	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491E

Deuteranopia (green-blind)

#6F631C

Tritanopia (blue-blind)

#B5022E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a43021;
/* rgb */ color: rgb(164, 48, 33);
/* oklch */ color: oklch(48.4% 0.155 30.7);

Tailwind

colors: {
  custom: {
    50: '#c7705e',
    500: '#a43021',
    950: '#000000',
  },
}

SCSS

$custom: #a43021;
$custom-light: #c7705e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43021",
  "rgb": {
    "r": 164,
    "g": 48,
    "b": 33
  },
  "hsl": {
    "h": 6.87,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48388,
    "c": 0.15461,
    "h": 30.7
  },
  "luminance": 0.10116
}

Semantic roles & 50–950 ramp

primary

#A43021

secondary

#5DB8C4

accent

#D6E93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A43021

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

Preview Lab → · Contrast checker → · Palette generator →