#A1551F#A1551F
#A1551F is a mid, moderate orange. Relative luminance 0.142; OKLCH L 53.2% C 0.120 H 51.8°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).
Color values
| HEX | #A1551F |
|---|---|
| RGB | rgb(161, 85, 31) |
| HSL | hsl(25, 68%, 38%) |
| HSV | hsv(25, 81%, 63%) |
| CMYK | cmyk(0%, 47.2%, 80.7%, 36.9%) |
| CIE-LAB | lab(44.48, 27.46, 43.38) |
| CIE-LCH | lch(44.48, 51.35, 57.66°) |
| OKLab | oklab(53.16% 0.0739 0.0941) |
| OKLCH | oklch(53.16% 0.12 51.8) |
| XYZ | xyz(18.1955, 14.1751, 3.0739) |
| Luminance | 0.1417 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 1.84
Cinnamon
#AC4F06
ΔE00 3.39
Burnt Sienna
#B04E0F
ΔE00 4.05
Sepia
#985E2B
ΔE00 4.44
Sienna
#A0522D
ΔE00 4.48
Warm Brown
#964E02
ΔE00 4.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A1551F #1F6BA1
analogous
#A11F2A #A1551F #A1961F
triadic
#A1551F #1FA155 #551FA1
tetradic
#A1551F #2AA11F #1F6BA1 #961FA1
square
#A1551F #2AA11F #1F6BA1 #961FA1
split-complementary
#A1551F #1FA196 #1F2AA1
monochromatic
#3A1F0B #6E3A15 #A1551F #D47029 #DF925B
Accessibility & contrast
On white
5.48
#A1551F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.83
#A1551F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A1551F
5.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A1551F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A1551F | 1.00 | 5.48 | 3.83 | 5.48 |
| #FFFFFF | 5.48 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.83 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.48 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B5F17
Deuteranopia (green-blind)
#7D701E
Tritanopia (blue-blind)
#B1444A
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #a1551f; /* rgb */ color: rgb(161, 85, 31); /* oklch */ color: oklch(53.2% 0.120 51.8);
Tailwind
colors: {
custom: {
50: '#c3865f',
500: '#a1551f',
950: '#000000',
},
}SCSS
$custom: #a1551f; $custom-light: #c3865f; $custom-dark: #000000;
JSON
{
"hex": "#a1551f",
"rgb": {
"r": 161,
"g": 85,
"b": 31
},
"hsl": {
"h": 24.923,
"s": 67.708,
"l": 37.647
},
"oklch": {
"l": 0.53161,
"c": 0.11965,
"h": 51.8
},
"luminance": 0.14173
}Semantic roles & 50–950 ramp
primary
#A1551F
secondary
#5897C4
accent
#A3EB3D
background
#FCF8F5
surface
#F9EFE9
border
#D2CAC5
text
#140B05
muted
#827C79