#583B18#583B18
#583B18 is a dark, moderate orange. Relative luminance 0.053; OKLCH L 37.8% C 0.064 H 68.7°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).
Color values
| HEX | #583B18 |
|---|---|
| RGB | rgb(88, 59, 24) |
| HSL | hsl(33, 57%, 22%) |
| HSV | hsv(33, 73%, 35%) |
| CMYK | cmyk(0%, 33%, 72.7%, 65.5%) |
| CIE-LAB | lab(27.49, 8.88, 26.22) |
| CIE-LCH | lch(27.49, 27.68, 71.30°) |
| OKLab | oklab(37.82% 0.0233 0.0598) |
| OKLCH | oklch(37.82% 0.064 68.7) |
| XYZ | xyz(5.7537, 5.2691, 1.5780) |
| Luminance | 0.0527 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Brown (survey)
#653700
ΔE00 6.01
Mud Brown
#60460F
ΔE00 6.26
Espresso
#4B382A
ΔE00 7.98
Walnut
#5C4A3D
ΔE00 9.64
Milk Chocolate
#7F4E1E
ΔE00 9.93
Chocolate
#7B3F00
ΔE00 10.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#583B18 #183558
analogous
#581B18 #583B18 #555818
triadic
#583B18 #18583B #3B1858
tetradic
#583B18 #18581B #183558 #581855
square
#583B18 #18581B #183558 #581855
split-complementary
#583B18 #185558 #1B1858
monochromatic
#181007 #281B0B #583B18 #885B25 #B87B32
Accessibility & contrast
On white
10.22
#583B18 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.05
#583B18 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #583B18
10.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##583B18 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##583B18 | 1.00 | 10.22 | 2.05 | 10.22 |
| #FFFFFF | 10.22 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.05 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.22 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#453D14
Deuteranopia (green-blind)
#4C4419
Tritanopia (blue-blind)
#603433
Achromatopsia (no color)
#414141
Design tokens & code
CSS
--color: #583b18; /* rgb */ color: rgb(88, 59, 24); /* oklch */ color: oklch(37.8% 0.064 68.7);
Tailwind
colors: {
custom: {
50: '#8a7056',
500: '#583b18',
950: '#000000',
},
}SCSS
$custom: #583b18; $custom-light: #8a7056; $custom-dark: #000000;
JSON
{
"hex": "#583b18",
"rgb": {
"r": 88,
"g": 59,
"b": 24
},
"hsl": {
"h": 32.813,
"s": 57.143,
"l": 21.961
},
"oklch": {
"l": 0.37817,
"c": 0.06418,
"h": 68.7
},
"luminance": 0.05269
}Semantic roles & 50–950 ramp
primary
#583B18
secondary
#3D628F
accent
#8DE047
background
#F8F6F5
surface
#F0ECE9
border
#CBC7C5
text
#0C0703
muted
#7D7A78