#310B3B#310B3B
#310B3B is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.1% C 0.093 H 318.4°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).
Color values
| HEX | #310B3B |
|---|---|
| RGB | rgb(49, 11, 59) |
| HSL | hsl(288, 69%, 14%) |
| HSV | hsv(288, 81%, 23%) |
| CMYK | cmyk(16.9%, 81.4%, 0%, 76.9%) |
| CIE-LAB | lab(10.62, 27.23, -21.98) |
| CIE-LCH | lch(10.62, 35.00, 321.09°) |
| OKLab | oklab(24.14% 0.0695 -0.0617) |
| OKLCH | oklch(24.14% 0.093 318.4) |
| XYZ | xyz(2.1756, 1.2082, 4.2554) |
| Luminance | 0.0121 (WCAG relative) |
| Temperature | cool |
| Family | purple |
Closest named colors
Dark Purple
#35063E
ΔE00 1.70
Very Dark Purple
#2A0134
ΔE00 2.46
Dark Violet
#34013F
ΔE00 2.79
Deep Purple
#36013F
ΔE00 2.82
Midnight Purple
#280137
ΔE00 2.91
Eggplant
#380835
ΔE00 3.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#310B3B #153B0B
analogous
#190B3B #310B3B #3B0B2D
triadic
#310B3B #3B310B #0B3B31
tetradic
#310B3B #3B190B #153B0B #0B2D3B
square
#310B3B #3B190B #153B0B #0B2D3B
split-complementary
#310B3B #2D3B0B #0B3B19
monochromatic
#15051A #15051A #310B3B #5C156F #871EA2
Accessibility & contrast
On white
16.91
#310B3B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#310B3B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #310B3B
16.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##310B3B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##310B3B | 1.00 | 16.91 | 1.24 | 16.91 |
| #FFFFFF | 16.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001A3C
Deuteranopia (green-blind)
#0D1E3A
Tritanopia (blue-blind)
#311422
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #310b3b; /* rgb */ color: rgb(49, 11, 59); /* oklch */ color: oklch(24.1% 0.093 318.4);
Tailwind
colors: {
custom: {
50: '#6b4e71',
500: '#310b3b',
950: '#000000',
},
}SCSS
$custom: #310b3b; $custom-light: #6b4e71; $custom-dark: #000000;
JSON
{
"hex": "#310b3b",
"rgb": {
"r": 49,
"g": 11,
"b": 59
},
"hsl": {
"h": 287.5,
"s": 68.571,
"l": 13.725
},
"oklch": {
"l": 0.24141,
"c": 0.0929,
"h": 318.4
},
"luminance": 0.01208
}Semantic roles & 50–950 ramp
primary
#310B3B
secondary
#3A782A
accent
#EB3C61
background
#F6F4F6
surface
#EBE7EC
border
#C6C3C7
text
#070207
muted
#7A787A