#AC4B33#AC4B33
#AC4B33 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.4% C 0.133 H 35.1°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).
Color values
| HEX | #AC4B33 |
|---|---|
| RGB | rgb(172, 75, 51) |
| HSL | hsl(12, 54%, 44%) |
| HSV | hsv(12, 70%, 67%) |
| CMYK | cmyk(0%, 56.4%, 70.3%, 32.5%) |
| CIE-LAB | lab(44.30, 38.13, 33.40) |
| CIE-LCH | lch(44.30, 50.69, 41.21°) |
| OKLab | oklab(53.42% 0.1089 0.0766) |
| OKLCH | oklch(53.42% 0.133 35.1) |
| XYZ | xyz(20.1288, 14.0444, 4.7822) |
| Luminance | 0.1404 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 5.51
Brick
#A03623
ΔE00 5.70
Brownish Red
#9E3623
ΔE00 5.93
Rust
#B7410E
ΔE00 6.60
Rusty Red
#AF2F0D
ΔE00 6.63
Rust (survey)
#A83C09
ΔE00 7.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AC4B33 #3394AC
analogous
#AC3357 #AC4B33 #AC8733
triadic
#AC4B33 #33AC4B #4B33AC
tetradic
#AC4B33 #57AC33 #3394AC #8733AC
square
#AC4B33 #57AC33 #3394AC #8733AC
split-complementary
#AC4B33 #33AC87 #3357AC
monochromatic
#4E2217 #7D3625 #AC4B33 #CB6951 #D99280
Accessibility & contrast
On white
5.51
#AC4B33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.81
#AC4B33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AC4B33
5.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AC4B33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AC4B33 | 1.00 | 5.51 | 3.81 | 5.51 |
| #FFFFFF | 5.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#655C30
Deuteranopia (green-blind)
#7D7131
Tritanopia (blue-blind)
#BD3746
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #ac4b33; /* rgb */ color: rgb(172, 75, 51); /* oklch */ color: oklch(53.4% 0.133 35.1);
Tailwind
colors: {
custom: {
50: '#cb806b',
500: '#ac4b33',
950: '#000000',
},
}SCSS
$custom: #ac4b33; $custom-light: #cb806b; $custom-dark: #000000;
JSON
{
"hex": "#ac4b33",
"rgb": {
"r": 172,
"g": 75,
"b": 51
},
"hsl": {
"h": 11.901,
"s": 54.26,
"l": 43.725
},
"oklch": {
"l": 0.53423,
"c": 0.13313,
"h": 35.1
},
"luminance": 0.14042
}Semantic roles & 50–950 ramp
primary
#AC4B33
secondary
#78B4C2
accent
#C0DE4A
background
#FDF8F6
surface
#FAEFEB
border
#D3CAC6
text
#150A07
muted
#837C7A