#AC4B28#AC4B28
#AC4B28 is a mid, vivid orange. Relative luminance 0.140; OKLCH L 53.3% C 0.136 H 39.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).
Color values
| HEX | #AC4B28 |
|---|---|
| RGB | rgb(172, 75, 40) |
| HSL | hsl(16, 62%, 42%) |
| HSV | hsv(16, 77%, 67%) |
| CMYK | cmyk(0%, 56.4%, 76.7%, 32.5%) |
| CIE-LAB | lab(44.17, 37.60, 39.24) |
| CIE-LCH | lch(44.17, 54.35, 46.22°) |
| OKLab | oklab(53.29% 0.1052 0.0868) |
| OKLCH | oklch(53.29% 0.136 39.5) |
| XYZ | xyz(19.9144, 13.9586, 3.6527) |
| Luminance | 0.1396 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.58
Rust
#B7410E
ΔE00 4.00
Rust (survey)
#A83C09
ΔE00 4.73
Burnt Umber
#A0450E
ΔE00 5.53
Burnt Sienna
#B04E0F
ΔE00 5.76
Rusty Red
#AF2F0D
ΔE00 5.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AC4B28 #2889AC
analogous
#AC2847 #AC4B28 #AC8D28
triadic
#AC4B28 #28AC4B #4B28AC
tetradic
#AC4B28 #47AC28 #2889AC #8D28AC
square
#AC4B28 #47AC28 #2889AC #8D28AC
split-complementary
#AC4B28 #28AC8D #2847AC
monochromatic
#492011 #7A351C #AC4B28 #D2663F #DE8E71
Accessibility & contrast
On white
5.54
#AC4B28 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.79
#AC4B28 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AC4B28
5.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AC4B28 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AC4B28 | 1.00 | 5.54 | 3.79 | 5.54 |
| #FFFFFF | 5.54 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.79 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.54 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#665B24
Deuteranopia (green-blind)
#7E7125
Tritanopia (blue-blind)
#BD3644
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #ac4b28; /* rgb */ color: rgb(172, 75, 40); /* oklch */ color: oklch(53.3% 0.136 39.5);
Tailwind
colors: {
custom: {
50: '#cc8064',
500: '#ac4b28',
950: '#000000',
},
}SCSS
$custom: #ac4b28; $custom-light: #cc8064; $custom-dark: #000000;
JSON
{
"hex": "#ac4b28",
"rgb": {
"r": 172,
"g": 75,
"b": 40
},
"hsl": {
"h": 15.909,
"s": 62.264,
"l": 41.569
},
"oklch": {
"l": 0.53291,
"c": 0.13641,
"h": 39.5
},
"luminance": 0.13956
}Semantic roles & 50–950 ramp
primary
#AC4B28
secondary
#6BADC5
accent
#BAE542
background
#FDF7F6
surface
#FAEEEB
border
#D3C9C6
text
#150A05
muted
#837C7A