#3F0411#3F0411
#3F0411 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.088 H 15.0°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).
Color values
| HEX | #3F0411 |
|---|---|
| RGB | rgb(63, 4, 17) |
| HSL | hsl(347, 88%, 13%) |
| HSV | hsv(347, 94%, 25%) |
| CMYK | cmyk(0%, 93.7%, 73%, 75.3%) |
| CIE-LAB | lab(10.44, 28.41, 8.80) |
| CIE-LCH | lch(10.44, 29.74, 17.22°) |
| OKLab | oklab(23.91% 0.0851 0.0227) |
| OKLCH | oklch(23.91% 0.088 15) |
| XYZ | xyz(2.1947, 1.1844, 0.6433) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dark Maroon
#3C0008
ΔE00 1.55
Deep Brown
#410200
ΔE00 4.76
Mahogany
#4A0100
ΔE00 6.54
Dried Blood
#4B0101
ΔE00 6.55
Burgundy (survey)
#610023
ΔE00 7.42
Maroon (survey)
#650021
ΔE00 7.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F0411 #043F32
analogous
#3F042E #3F0411 #3F1404
triadic
#3F0411 #113F04 #04113F
tetradic
#3F0411 #2E3F04 #043F32 #14043F
square
#3F0411 #2E3F04 #043F32 #14043F
split-complementary
#3F0411 #043F14 #042E3F
monochromatic
#1D0208 #1D0208 #3F0411 #790821 #B20B30
Accessibility & contrast
On white
16.98
#3F0411 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#3F0411 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F0411
16.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F0411 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F0411 | 1.00 | 16.98 | 1.24 | 16.98 |
| #FFFFFF | 16.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#151411
Deuteranopia (green-blind)
#24210F
Tritanopia (blue-blind)
#460009
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #3f0411; /* rgb */ color: rgb(63, 4, 17); /* oklch */ color: oklch(23.9% 0.088 15.0);
Tailwind
colors: {
custom: {
50: '#794b4f',
500: '#3f0411',
950: '#000000',
},
}SCSS
$custom: #3f0411; $custom-light: #794b4f; $custom-dark: #000000;
JSON
{
"hex": "#3f0411",
"rgb": {
"r": 63,
"g": 4,
"b": 17
},
"hsl": {
"h": 346.78,
"s": 88.06,
"l": 13.137
},
"oklch": {
"l": 0.23913,
"c": 0.08807,
"h": 15
},
"luminance": 0.01184
}Semantic roles & 50–950 ramp
primary
#3F0411
secondary
#1E806B
accent
#FECF2A
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0101
muted
#7C7777