#A43A21#A43A21
#A43A21 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.145 H 34.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).
Color values
| HEX | #A43A21 |
|---|---|
| RGB | rgb(164, 58, 33) |
| HSL | hsl(11, 66%, 39%) |
| HSV | hsv(11, 80%, 64%) |
| CMYK | cmyk(0%, 64.6%, 79.9%, 35.7%) |
| CIE-LAB | lab(39.63, 42.47, 37.83) |
| CIE-LCH | lch(39.63, 56.87, 41.70°) |
| OKLab | oklab(49.57% 0.1197 0.0824) |
| OKLCH | oklch(49.57% 0.145 34.5) |
| XYZ | xyz(17.0993, 11.0309, 2.6673) |
| Luminance | 0.1103 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 1.93
Brownish Red
#9E3623
ΔE00 2.16
Rusty Red
#AF2F0D
ΔE00 3.51
Rust Red
#AA2704
ΔE00 4.21
Burnt Red
#9F2305
ΔE00 4.80
Rust (survey)
#A83C09
ΔE00 5.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A43A21 #218BA4
analogous
#A4214A #A43A21 #A47B21
triadic
#A43A21 #21A43A #3A21A4
tetradic
#A43A21 #4AA421 #218BA4 #7B21A4
square
#A43A21 #4AA421 #218BA4 #7B21A4
split-complementary
#A43A21 #21A47B #214AA4
monochromatic
#3E160C #712817 #A43A21 #D54D2D #DF7960
Accessibility & contrast
On white
6.55
#A43A21 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.21
#A43A21 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A43A21
6.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A43A21 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A43A21 | 1.00 | 6.55 | 3.21 | 6.55 |
| #FFFFFF | 6.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#584F1D
Deuteranopia (green-blind)
#72661D
Tritanopia (blue-blind)
#B51D35
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #a43a21; /* rgb */ color: rgb(164, 58, 33); /* oklch */ color: oklch(49.6% 0.145 34.5);
Tailwind
colors: {
custom: {
50: '#c7755e',
500: '#a43a21',
950: '#000000',
},
}SCSS
$custom: #a43a21; $custom-light: #c7755e; $custom-dark: #000000;
JSON
{
"hex": "#a43a21",
"rgb": {
"r": 164,
"g": 58,
"b": 33
},
"hsl": {
"h": 11.45,
"s": 66.497,
"l": 38.627
},
"oklch": {
"l": 0.49573,
"c": 0.1453,
"h": 34.5
},
"luminance": 0.11028
}Semantic roles & 50–950 ramp
primary
#A43A21
secondary
#5DB0C4
accent
#C9E93E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150904
muted
#837B79