#310B43#310B43
#310B43 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.8% C 0.102 H 312.2°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).
Color values
| HEX | #310B43 |
|---|---|
| RGB | rgb(49, 11, 67) |
| HSL | hsl(281, 72%, 15%) |
| HSV | hsv(281, 84%, 26%) |
| CMYK | cmyk(26.9%, 83.6%, 0%, 73.7%) |
| CIE-LAB | lab(11.26, 29.18, -26.63) |
| CIE-LCH | lch(11.26, 39.51, 317.61°) |
| OKLab | oklab(24.8% 0.0684 -0.0753) |
| OKLCH | oklch(24.8% 0.102 312.2) |
| XYZ | xyz(2.3992, 1.2976, 5.4332) |
| Luminance | 0.0130 (WCAG relative) |
| Temperature | cool |
| Family | purple |
Closest named colors
Dark Purple
#35063E
ΔE00 2.20
Dark Violet
#34013F
ΔE00 2.42
Deep Purple
#36013F
ΔE00 2.72
Midnight Purple
#280137
ΔE00 2.88
Very Dark Purple
#2A0134
ΔE00 3.37
Eggplant Purple
#430541
ΔE00 5.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#310B43 #1D430B
analogous
#150B43 #310B43 #430B39
triadic
#310B43 #43310B #0B4331
tetradic
#310B43 #43150B #1D430B #0B3943
square
#310B43 #43150B #1D430B #0B3943
split-complementary
#310B43 #39430B #0B4315
monochromatic
#13041A #13041A #310B43 #571478 #7E1CAC
Accessibility & contrast
On white
16.67
#310B43 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#310B43 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #310B43
16.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##310B43 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##310B43 | 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)
#001C45
Deuteranopia (green-blind)
#051F42
Tritanopia (blue-blind)
#2F1826
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #310b43; /* rgb */ color: rgb(49, 11, 67); /* oklch */ color: oklch(24.8% 0.102 312.2);
Tailwind
colors: {
custom: {
50: '#6c4e77',
500: '#310b43',
950: '#000000',
},
}SCSS
$custom: #310b43; $custom-light: #6c4e77; $custom-dark: #000000;
JSON
{
"hex": "#310b43",
"rgb": {
"r": 49,
"g": 11,
"b": 67
},
"hsl": {
"h": 280.714,
"s": 71.795,
"l": 15.294
},
"oklch": {
"l": 0.24801,
"c": 0.10172,
"h": 312.2
},
"luminance": 0.01298
}Semantic roles & 50–950 ramp
primary
#310B43
secondary
#46802A
accent
#EF3974
background
#F6F4F7
surface
#EBE7ED
border
#C6C3C8
text
#070209
muted
#7A787B