#310D50#310D50
#310D50 is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.2% C 0.114 H 303.7°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).
Color values
| HEX | #310D50 |
|---|---|
| RGB | rgb(49, 13, 80) |
| HSL | hsl(272, 72%, 18%) |
| HSV | hsv(272, 84%, 31%) |
| CMYK | cmyk(38.8%, 83.7%, 0%, 68.6%) |
| CIE-LAB | lab(12.73, 31.63, -33.27) |
| CIE-LCH | lch(12.73, 45.91, 313.55°) |
| OKLab | oklab(26.2% 0.0632 -0.0948) |
| OKLCH | oklch(26.2% 0.114 303.7) |
| XYZ | xyz(2.8582, 1.5200, 7.7307) |
| Luminance | 0.0152 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 4.12
Dark Violet
#34013F
ΔE00 4.71
Deep Purple
#36013F
ΔE00 5.04
Dark Purple
#35063E
ΔE00 5.05
Midnight Purple
#280137
ΔE00 5.26
Very Dark Purple
#2A0134
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#310D50 #2C500D
analogous
#0F0D50 #310D50 #500D4D
triadic
#310D50 #50310D #0D5031
tetradic
#310D50 #500F0D #2C500D #0D4D50
square
#310D50 #500F0D #2C500D #0D4D50
split-complementary
#310D50 #4D500D #0D500F
monochromatic
#10041A #11041B #310D50 #511685 #711EB9
Accessibility & contrast
On white
16.10
#310D50 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.30
#310D50 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #310D50
16.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##310D50 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##310D50 | 1.00 | 16.10 | 1.30 | 16.10 |
| #FFFFFF | 16.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002052
Deuteranopia (green-blind)
#00214F
Tritanopia (blue-blind)
#2B1E2E
Achromatopsia (no color)
#212121
Design tokens & code
CSS
--color: #310d50; /* rgb */ color: rgb(49, 13, 80); /* oklch */ color: oklch(26.2% 0.114 303.7);
Tailwind
colors: {
custom: {
50: '#6d5082',
500: '#310d50',
950: '#000000',
},
}SCSS
$custom: #310d50; $custom-light: #6d5082; $custom-dark: #000000;
JSON
{
"hex": "#310d50",
"rgb": {
"r": 49,
"g": 13,
"b": 80
},
"hsl": {
"h": 272.239,
"s": 72.043,
"l": 18.235
},
"oklch": {
"l": 0.26202,
"c": 0.11396,
"h": 303.7
},
"luminance": 0.0152
}Semantic roles & 50–950 ramp
primary
#310D50
secondary
#598B2E
accent
#EF398D
background
#F6F4F8
surface
#ECE7EF
border
#C7C3CA
text
#07020A
muted
#7A787C