#310C15#310C15
#310C15 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.1% C 0.061 H 8.7°. Best body text is #FFFFFF at 17.59:1 contrast (WCAG AA passes).
Color values
| HEX | #310C15 |
|---|---|
| RGB | rgb(49, 12, 21) |
| HSL | hsl(345, 61%, 12%) |
| HSV | hsv(345, 76%, 19%) |
| CMYK | cmyk(0%, 75.5%, 57.1%, 80.8%) |
| CIE-LAB | lab(8.74, 19.70, 3.40) |
| CIE-LCH | lch(8.74, 20.00, 9.79°) |
| OKLab | oklab(22.1% 0.0599 0.0091) |
| OKLCH | oklch(22.1% 0.061 8.7) |
| XYZ | xyz(1.5336, 0.9702, 0.8158) |
| Luminance | 0.0097 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dark Maroon
#3C0008
ΔE00 6.06
Very Dark Brown
#1D0200
ΔE00 8.26
Deep Brown
#410200
ΔE00 8.66
Dark Plum
#3F012C
ΔE00 10.20
Mahogany
#4A0100
ΔE00 10.78
Dried Blood
#4B0101
ΔE00 10.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#310C15 #0C3128
analogous
#310C28 #310C15 #31160C
triadic
#310C15 #15310C #0C1531
tetradic
#310C15 #28310C #0C3128 #160C31
square
#310C15 #28310C #0C3128 #160C31
split-complementary
#310C15 #0C3116 #0C2831
monochromatic
#19060B #19060B #310C15 #62182A #93243F
Accessibility & contrast
On white
17.59
#310C15 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.19
#310C15 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #310C15
17.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##310C15 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##310C15 | 1.00 | 17.59 | 1.19 | 17.59 |
| #FFFFFF | 17.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#141415
Deuteranopia (green-blind)
#1E1C14
Tritanopia (blue-blind)
#36070F
Achromatopsia (no color)
#191919
Design tokens & code
CSS
--color: #310c15; /* rgb */ color: rgb(49, 12, 21); /* oklch */ color: oklch(22.1% 0.061 8.7);
Tailwind
colors: {
custom: {
50: '#6c4d52',
500: '#310c15',
950: '#000000',
},
}SCSS
$custom: #310c15; $custom-light: #6c4d52; $custom-dark: #000000;
JSON
{
"hex": "#310c15",
"rgb": {
"r": 49,
"g": 12,
"b": 21
},
"hsl": {
"h": 345.405,
"s": 60.656,
"l": 11.961
},
"oklch": {
"l": 0.22102,
"c": 0.06056,
"h": 8.7
},
"luminance": 0.0097
}Semantic roles & 50–950 ramp
primary
#310C15
secondary
#2C6D5D
accent
#E4BD44
background
#F6F4F4
surface
#ECE7E7
border
#C7C3C3
text
#070102
muted
#7A7778