#A1531E#A1531E
#A1531E is a mid, vivid orange. Relative luminance 0.139; OKLCH L 52.8% C 0.121 H 50.6°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).
Color values
| HEX | #A1531E |
|---|---|
| RGB | rgb(161, 83, 30) |
| HSL | hsl(24, 69%, 37%) |
| HSV | hsv(24, 81%, 63%) |
| CMYK | cmyk(0%, 48.4%, 81.4%, 36.9%) |
| CIE-LAB | lab(44.03, 28.52, 43.41) |
| CIE-LCH | lch(44.03, 51.94, 56.69°) |
| OKLab | oklab(52.81% 0.077 0.0938) |
| OKLCH | oklch(52.81% 0.121 50.6) |
| XYZ | xyz(18.0273, 13.8595, 2.9539) |
| Luminance | 0.1386 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 1.95
Cinnamon
#AC4F06
ΔE00 3.22
Burnt Sienna
#B04E0F
ΔE00 3.69
Sienna
#A0522D
ΔE00 4.01
Burnt Umber
#A0450E
ΔE00 4.11
Warm Brown
#964E02
ΔE00 4.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A1531E #1E6CA1
analogous
#A11E2A #A1531E #A1951E
triadic
#A1531E #1EA153 #531EA1
tetradic
#A1531E #2AA11E #1E6CA1 #951EA1
square
#A1531E #2AA11E #1E6CA1 #951EA1
split-complementary
#A1531E #1EA195 #1E2AA1
monochromatic
#3A1E0B #6D3814 #A1531E #D56E28 #E09059
Accessibility & contrast
On white
5.57
#A1531E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.77
#A1531E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A1531E
5.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A1531E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A1531E | 1.00 | 5.57 | 3.77 | 5.57 |
| #FFFFFF | 5.57 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.57 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#695D16
Deuteranopia (green-blind)
#7C6F1D
Tritanopia (blue-blind)
#B14248
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #a1531e; /* rgb */ color: rgb(161, 83, 30); /* oklch */ color: oklch(52.8% 0.121 50.6);
Tailwind
colors: {
custom: {
50: '#c3845e',
500: '#a1531e',
950: '#000000',
},
}SCSS
$custom: #a1531e; $custom-light: #c3845e; $custom-dark: #000000;
JSON
{
"hex": "#a1531e",
"rgb": {
"r": 161,
"g": 83,
"b": 30
},
"hsl": {
"h": 24.275,
"s": 68.586,
"l": 37.451
},
"oklch": {
"l": 0.52812,
"c": 0.12137,
"h": 50.6
},
"luminance": 0.13857
}Semantic roles & 50–950 ramp
primary
#A1531E
secondary
#5798C4
accent
#A5EB3C
background
#FCF8F5
surface
#F9EFE9
border
#D2CAC5
text
#140B04
muted
#827C79