#3A100C#3A100C
#3A100C is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.3% C 0.068 H 28.5°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).
Color values
| HEX | #3A100C |
|---|---|
| RGB | rgb(58, 16, 12) |
| HSL | hsl(5, 66%, 14%) |
| HSV | hsv(5, 79%, 23%) |
| CMYK | cmyk(0%, 72.4%, 79.3%, 77.3%) |
| CIE-LAB | lab(11.25, 20.49, 12.35) |
| CIE-LCH | lch(11.25, 23.93, 31.08°) |
| OKLab | oklab(24.28% 0.0594 0.0322) |
| OKLCH | oklch(24.28% 0.068 28.5) |
| XYZ | xyz(1.9968, 1.2969, 0.4929) |
| Luminance | 0.0130 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Deep Brown
#410200
ΔE00 4.33
Dark Maroon
#3C0008
ΔE00 5.26
Mahogany
#4A0100
ΔE00 5.95
Dried Blood
#4B0101
ΔE00 6.08
Chocolate Brown
#411900
ΔE00 7.67
Chocolate (survey)
#3D1C02
ΔE00 9.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A100C #0C363A
analogous
#3A0C1F #3A100C #3A270C
triadic
#3A100C #0C3A10 #100C3A
tetradic
#3A100C #1F3A0C #0C363A #270C3A
square
#3A100C #1F3A0C #0C363A #270C3A
split-complementary
#3A100C #0C3A27 #0C1F3A
monochromatic
#190705 #190705 #3A100C #6D1E16 #9F2C21
Accessibility & contrast
On white
16.67
#3A100C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#3A100C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3A100C
16.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A100C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A100C | 1.00 | 16.67 | 1.26 | 16.67 |
| #FFFFFF | 16.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1B180B
Deuteranopia (green-blind)
#26210B
Tritanopia (blue-blind)
#41070F
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #3a100c; /* rgb */ color: rgb(58, 16, 12); /* oklch */ color: oklch(24.3% 0.068 28.5);
Tailwind
colors: {
custom: {
50: '#74504c',
500: '#3a100c',
950: '#000000',
},
}SCSS
$custom: #3a100c; $custom-light: #74504c; $custom-dark: #000000;
JSON
{
"hex": "#3a100c",
"rgb": {
"r": 58,
"g": 16,
"b": 12
},
"hsl": {
"h": 5.217,
"s": 65.714,
"l": 13.725
},
"oklch": {
"l": 0.24278,
"c": 0.06759,
"h": 28.5
},
"luminance": 0.01297
}Semantic roles & 50–950 ramp
primary
#3A100C
secondary
#2C7076
accent
#DAE93F
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#090201
muted
#7B7877