#573E1B#573E1B
#573E1B is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.4% C 0.061 H 73.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).
Color values
| HEX | #573E1B |
|---|---|
| RGB | rgb(87, 62, 27) |
| HSL | hsl(35, 53%, 22%) |
| HSV | hsv(35, 69%, 34%) |
| CMYK | cmyk(0%, 28.7%, 69%, 65.9%) |
| CIE-LAB | lab(28.25, 6.69, 25.35) |
| CIE-LCH | lch(28.25, 26.21, 75.21°) |
| OKLab | oklab(38.39% 0.0175 0.0585) |
| OKLCH | oklch(38.39% 0.061 73.4) |
| XYZ | xyz(5.8513, 5.5511, 1.8000) |
| Luminance | 0.0555 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Mud Brown
#60460F
ΔE00 5.32
Brown (survey)
#653700
ΔE00 7.39
Espresso
#4B382A
ΔE00 8.04
Walnut
#5C4A3D
ΔE00 9.19
Milk Chocolate
#7F4E1E
ΔE00 10.39
Medium Brown
#7F5112
ΔE00 10.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#573E1B #1B3457
analogous
#57201B #573E1B #52571B
triadic
#573E1B #1B573E #3E1B57
tetradic
#573E1B #1B5720 #1B3457 #571B52
square
#573E1B #1B5720 #1B3457 #571B52
split-complementary
#573E1B #1B5257 #201B57
monochromatic
#171107 #281D0D #573E1B #865F29 #B48138
Accessibility & contrast
On white
9.95
#573E1B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.11
#573E1B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #573E1B
9.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##573E1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##573E1B | 1.00 | 9.95 | 2.11 | 9.95 |
| #FFFFFF | 9.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#473F17
Deuteranopia (green-blind)
#4D451C
Tritanopia (blue-blind)
#5F3836
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #573e1b; /* rgb */ color: rgb(87, 62, 27); /* oklch */ color: oklch(38.4% 0.061 73.4);
Tailwind
colors: {
custom: {
50: '#897359',
500: '#573e1b',
950: '#000000',
},
}SCSS
$custom: #573e1b; $custom-light: #897359; $custom-dark: #000000;
JSON
{
"hex": "#573e1b",
"rgb": {
"r": 87,
"g": 62,
"b": 27
},
"hsl": {
"h": 35,
"s": 52.632,
"l": 22.353
},
"oklch": {
"l": 0.38394,
"c": 0.06104,
"h": 73.4
},
"luminance": 0.05551
}Semantic roles & 50–950 ramp
primary
#573E1B
secondary
#41618D
accent
#88DC4C
background
#F8F6F5
surface
#F0ECE9
border
#CBC7C5
text
#0C0803
muted
#7D7B78