#583F11#583F11
#583F11 is a dark, moderate orange. Relative luminance 0.057; OKLCH L 38.6% C 0.070 H 78.8°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).
Color values
| HEX | #583F11 |
|---|---|
| RGB | rgb(88, 63, 17) |
| HSL | hsl(39, 68%, 21%) |
| HSV | hsv(39, 81%, 35%) |
| CMYK | cmyk(0%, 28.4%, 80.7%, 65.5%) |
| CIE-LAB | lab(28.57, 5.92, 30.97) |
| CIE-LCH | lch(28.57, 31.53, 79.18°) |
| OKLab | oklab(38.64% 0.0136 0.0684) |
| OKLCH | oklch(38.64% 0.07 78.8) |
| XYZ | xyz(5.9036, 5.6707, 1.3138) |
| Luminance | 0.0567 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Mud Brown
#60460F
ΔE00 2.96
Brown (survey)
#653700
ΔE00 7.35
Olive Brown
#645403
ΔE00 9.66
Medium Brown
#7F5112
ΔE00 10.11
Green Brown
#544E03
ΔE00 10.24
Milk Chocolate
#7F4E1E
ΔE00 10.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#583F11 #112A58
analogous
#581B11 #583F11 #4D5811
triadic
#583F11 #11583F #3F1158
tetradic
#583F11 #11581B #112A58 #58114D
square
#583F11 #11581B #112A58 #58114D
split-complementary
#583F11 #114D58 #1B1158
monochromatic
#1A1205 #251A07 #583F11 #8B641B #BF8825
Accessibility & contrast
On white
9.84
#583F11 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.13
#583F11 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #583F11
9.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##583F11 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##583F11 | 1.00 | 9.84 | 2.13 | 9.84 |
| #FFFFFF | 9.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#49400A
Deuteranopia (green-blind)
#4F4613
Tritanopia (blue-blind)
#603836
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #583f11; /* rgb */ color: rgb(88, 63, 17); /* oklch */ color: oklch(38.6% 0.070 78.8);
Tailwind
colors: {
custom: {
50: '#8b7352',
500: '#583f11',
950: '#000000',
},
}SCSS
$custom: #583f11; $custom-light: #8b7352; $custom-dark: #000000;
JSON
{
"hex": "#583f11",
"rgb": {
"r": 88,
"g": 63,
"b": 17
},
"hsl": {
"h": 38.873,
"s": 67.619,
"l": 20.588
},
"oklch": {
"l": 0.38636,
"c": 0.06973,
"h": 78.8
},
"luminance": 0.0567
}Semantic roles & 50–950 ramp
primary
#583F11
secondary
#345591
accent
#7AEA3D
background
#F8F7F4
surface
#F0EDE7
border
#CBC8C3
text
#0C0802
muted
#7D7B78