#A0511F#A0511F
#A0511F is a mid, vivid orange. Relative luminance 0.135; OKLCH L 52.3% C 0.121 H 49.2°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).
Color values
| HEX | #A0511F |
|---|---|
| RGB | rgb(160, 81, 31) |
| HSL | hsl(23, 68%, 37%) |
| HSV | hsv(23, 81%, 63%) |
| CMYK | cmyk(0%, 49.4%, 80.6%, 37.3%) |
| CIE-LAB | lab(43.45, 29.23, 42.34) |
| CIE-LCH | lch(43.45, 51.45, 55.38°) |
| OKLab | oklab(52.34% 0.0793 0.0919) |
| OKLCH | oklch(52.34% 0.121 49.2) |
| XYZ | xyz(17.6887, 13.4595, 2.9625) |
| Luminance | 0.1346 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 2.57
Sienna
#A0522D
ΔE00 3.27
Burnt Umber
#A0450E
ΔE00 3.42
Cinnamon
#AC4F06
ΔE00 3.62
Burnt Sienna
#B04E0F
ΔE00 3.74
Warm Brown
#964E02
ΔE00 5.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A0511F #1F6EA0
analogous
#A01F2D #A0511F #A0921F
triadic
#A0511F #1FA051 #511FA0
tetradic
#A0511F #2DA01F #1F6EA0 #921FA0
square
#A0511F #2DA01F #1F6EA0 #921FA0
split-complementary
#A0511F #1FA092 #1F2DA0
monochromatic
#391D0B #6D3715 #A0511F #D36B29 #DF8E5A
Accessibility & contrast
On white
5.69
#A0511F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.69
#A0511F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A0511F
5.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A0511F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A0511F | 1.00 | 5.69 | 3.69 | 5.69 |
| #FFFFFF | 5.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#685C18
Deuteranopia (green-blind)
#7B6E1E
Tritanopia (blue-blind)
#B04047
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #a0511f; /* rgb */ color: rgb(160, 81, 31); /* oklch */ color: oklch(52.3% 0.121 49.2);
Tailwind
colors: {
custom: {
50: '#c3835e',
500: '#a0511f',
950: '#000000',
},
}SCSS
$custom: #a0511f; $custom-light: #c3835e; $custom-dark: #000000;
JSON
{
"hex": "#a0511f",
"rgb": {
"r": 160,
"g": 81,
"b": 31
},
"hsl": {
"h": 23.256,
"s": 67.539,
"l": 37.451
},
"oklch": {
"l": 0.52337,
"c": 0.12138,
"h": 49.2
},
"luminance": 0.13457
}Semantic roles & 50–950 ramp
primary
#A0511F
secondary
#5899C3
accent
#A7EA3D
background
#FCF8F5
surface
#F9EFE9
border
#D2CAC5
text
#140B05
muted
#827C79