#A3633A#A3633A
#A3633A is a mid, moderate orange. Relative luminance 0.170; OKLCH L 56.2% C 0.100 H 52.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #A3633A |
|---|---|
| RGB | rgb(163, 99, 58) |
| HSL | hsl(23, 48%, 43%) |
| HSV | hsv(23, 64%, 64%) |
| CMYK | cmyk(0%, 39.3%, 64.4%, 36.1%) |
| CIE-LAB | lab(48.28, 21.95, 33.82) |
| CIE-LCH | lch(48.28, 40.32, 57.02°) |
| OKLab | oklab(56.23% 0.0616 0.0789) |
| OKLCH | oklch(56.23% 0.1 52) |
| XYZ | xyz(20.3313, 17.0177, 6.2162) |
| Luminance | 0.1702 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Earth
#A2653E
ΔE00 0.88
Sepia
#985E2B
ΔE00 4.46
Sienna (survey)
#A9561E
ΔE00 5.16
Copper (survey)
#B66325
ΔE00 5.54
Sienna
#A0522D
ΔE00 5.87
Clay Brown
#B2713D
ΔE00 6.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A3633A #3A7AA3
analogous
#A33A45 #A3633A #A3973A
triadic
#A3633A #3AA363 #633AA3
tetradic
#A3633A #45A33A #3A7AA3 #973AA3
square
#A3633A #45A33A #3A7AA3 #973AA3
split-complementary
#A3633A #3AA397 #3A45A3
monochromatic
#492C1A #76482A #A3633A #C38157 #D3A384
Accessibility & contrast
On white
4.77
#A3633A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.40
#A3633A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A3633A
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A3633A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A3633A | 1.00 | 4.77 | 4.40 | 4.77 |
| #FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#756A36
Deuteranopia (green-blind)
#84783A
Tritanopia (blue-blind)
#B25659
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #a3633a; /* rgb */ color: rgb(163, 99, 58); /* oklch */ color: oklch(56.2% 0.100 52.0);
Tailwind
colors: {
custom: {
50: '#c29071',
500: '#a3633a',
950: '#000000',
},
}SCSS
$custom: #a3633a; $custom-light: #c29071; $custom-dark: #000000;
JSON
{
"hex": "#a3633a",
"rgb": {
"r": 163,
"g": 99,
"b": 58
},
"hsl": {
"h": 23.429,
"s": 47.511,
"l": 43.333
},
"oklch": {
"l": 0.56232,
"c": 0.10007,
"h": 52
},
"luminance": 0.17016
}Semantic roles & 50–950 ramp
primary
#A3633A
secondary
#7CA4BD
accent
#A3D751
background
#FCF8F6
surface
#F8F0EC
border
#D1CBC7
text
#130C08
muted
#827D7B