#230104#230104
#230104 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.5% C 0.062 H 19.6°. Best body text is #FFFFFF at 19.49:1 contrast (WCAG AA passes).
Color values
| HEX | #230104 |
|---|---|
| RGB | rgb(35, 1, 4) |
| HSL | hsl(355, 94%, 7%) |
| HSV | hsv(355, 97%, 14%) |
| CMYK | cmyk(0%, 97.1%, 88.6%, 86.3%) |
| CIE-LAB | lab(3.50, 14.64, 3.87) |
| CIE-LCH | lch(3.50, 15.14, 14.83°) |
| OKLab | oklab(16.49% 0.0587 0.0209) |
| OKLCH | oklch(16.49% 0.062 19.6) |
| XYZ | xyz(0.7260, 0.3879, 0.1515) |
| Luminance | 0.0039 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Very Dark Brown
#1D0200
ΔE00 4.05
Dark Maroon
#3C0008
ΔE00 8.97
Deep Brown
#410200
ΔE00 10.70
Mahogany
#4A0100
ΔE00 12.87
Dried Blood
#4B0101
ΔE00 13.00
Dark Plum
#3F012C
ΔE00 13.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#230104 #012320
analogous
#230115 #230104 #230F01
triadic
#230104 #042301 #010423
tetradic
#230104 #152301 #012320 #0F0123
square
#230104 #152301 #012320 #0F0123
split-complementary
#230104 #01230F #011523
monochromatic
#1E0103 #1E0103 #230104 #5F030B #9A0412
Accessibility & contrast
On white
19.49
#230104 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.08
#230104 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #230104
19.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##230104 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##230104 | 1.00 | 19.49 | 1.08 | 19.49 |
| #FFFFFF | 19.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 19.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#090804
Deuteranopia (green-blind)
#120F03
Tritanopia (blue-blind)
#280002
Achromatopsia (no color)
#0D0D0D
Design tokens & code
CSS
--color: #230104; /* rgb */ color: rgb(35, 1, 4); /* oklch */ color: oklch(16.5% 0.062 19.6);
Tailwind
colors: {
custom: {
50: '#5e4748',
500: '#230104',
950: '#000000',
},
}SCSS
$custom: #230104; $custom-light: #5e4748; $custom-dark: #000000;
JSON
{
"hex": "#230104",
"rgb": {
"r": 35,
"g": 1,
"b": 4
},
"hsl": {
"h": 354.706,
"s": 94.444,
"l": 7.059
},
"oklch": {
"l": 0.16492,
"c": 0.06228,
"h": 19.6
},
"luminance": 0.00388
}Semantic roles & 50–950 ramp
primary
#230104
secondary
#166A63
accent
#FFEC29
background
#F5F3F4
surface
#E9E5E6
border
#C5C1C2
text
#040000
muted
#797777