#511F10#511F10
#511F10 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.1% C 0.079 H 37.2°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).
Color values
| HEX | #511F10 |
|---|---|
| RGB | rgb(81, 31, 16) |
| HSL | hsl(14, 67%, 19%) |
| HSV | hsv(14, 80%, 32%) |
| CMYK | cmyk(0%, 61.7%, 80.2%, 68.2%) |
| CIE-LAB | lab(19.09, 22.35, 21.25) |
| CIE-LCH | lch(19.09, 30.84, 43.55°) |
| OKLab | oklab(31.09% 0.0632 0.048) |
| OKLCH | oklch(31.09% 0.079 37.2) |
| XYZ | xyz(3.9773, 2.7672, 0.8148) |
| Luminance | 0.0277 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Chocolate Brown
#411900
ΔE00 4.48
Chocolate (survey)
#3D1C02
ΔE00 6.50
Mahogany
#4A0100
ΔE00 7.49
Dried Blood
#4B0101
ΔE00 7.53
Reddy Brown
#6E1005
ΔE00 7.76
Deep Brown
#410200
ΔE00 8.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#511F10 #104251
analogous
#511022 #511F10 #514010
triadic
#511F10 #10511F #1F1051
tetradic
#511F10 #225110 #104251 #401051
square
#511F10 #225110 #104251 #401051
split-complementary
#511F10 #105140 #102251
monochromatic
#1A0A05 #1E0B06 #511F10 #84331A #B74624
Accessibility & contrast
On white
13.52
#511F10 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.55
#511F10 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #511F10
13.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##511F10 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##511F10 | 1.00 | 13.52 | 1.55 | 13.52 |
| #FFFFFF | 13.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D270E
Deuteranopia (green-blind)
#39330F
Tritanopia (blue-blind)
#5A141C
Achromatopsia (no color)
#2E2E2E
Design tokens & code
CSS
--color: #511f10; /* rgb */ color: rgb(81, 31, 16); /* oklch */ color: oklch(31.1% 0.079 37.2);
Tailwind
colors: {
custom: {
50: '#875c4f',
500: '#511f10',
950: '#000000',
},
}SCSS
$custom: #511f10; $custom-light: #875c4f; $custom-dark: #000000;
JSON
{
"hex": "#511f10",
"rgb": {
"r": 81,
"g": 31,
"b": 16
},
"hsl": {
"h": 13.846,
"s": 67.01,
"l": 19.02
},
"oklch": {
"l": 0.31091,
"c": 0.07936,
"h": 37.2
},
"luminance": 0.02767
}Semantic roles & 50–950 ramp
primary
#511F10
secondary
#32768B
accent
#C2EA3E
background
#F8F5F4
surface
#F0E9E7
border
#CBC5C3
text
#0C0402
muted
#7D7978