#170C43#170C43
#170C43 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.4% C 0.097 H 283.8°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).
Color values
| HEX | #170C43 |
|---|---|
| RGB | rgb(23, 12, 67) |
| HSL | hsl(252, 70%, 15%) |
| HSV | hsv(252, 82%, 26%) |
| CMYK | cmyk(65.7%, 82.1%, 0%, 73.7%) |
| CIE-LAB | lab(7.68, 23.28, -32.63) |
| CIE-LCH | lch(7.68, 40.08, 305.51°) |
| OKLab | oklab(21.43% 0.0231 -0.094) |
| OKLCH | oklch(21.43% 0.097 283.8) |
| XYZ | xyz(1.4976, 0.8503, 5.3943) |
| Luminance | 0.0085 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Night Blue
#040348
ΔE00 3.62
Dark Indigo
#1F0954
ΔE00 3.99
Navy Blue (survey)
#001146
ΔE00 4.39
Midnight Blue (survey)
#020035
ΔE00 4.74
Dark Navy
#000435
ΔE00 5.39
Very Dark Blue
#000133
ΔE00 5.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#170C43 #38430C
analogous
#0C1C43 #170C43 #320C43
triadic
#170C43 #43170C #0C4317
tetradic
#170C43 #430C1C #38430C #0C4332
square
#170C43 #430C1C #38430C #0C4332
split-complementary
#170C43 #43320C #1C430C
monochromatic
#09051A #09051A #170C43 #291577 #3B1FAB
Accessibility & contrast
On white
17.95
#170C43 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.17
#170C43 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #170C43
17.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##170C43 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##170C43 | 1.00 | 17.95 | 1.17 | 17.95 |
| #FFFFFF | 17.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001945
Deuteranopia (green-blind)
#001542
Tritanopia (blue-blind)
#011B26
Achromatopsia (no color)
#171717
Design tokens & code
CSS
--color: #170c43; /* rgb */ color: rgb(23, 12, 67); /* oklch */ color: oklch(21.4% 0.097 283.8);
Tailwind
colors: {
custom: {
50: '#5b4c78',
500: '#170c43',
950: '#000000',
},
}SCSS
$custom: #170c43; $custom-light: #5b4c78; $custom-dark: #000000;
JSON
{
"hex": "#170c43",
"rgb": {
"r": 23,
"g": 12,
"b": 67
},
"hsl": {
"h": 252,
"s": 69.62,
"l": 15.49
},
"oklch": {
"l": 0.21434,
"c": 0.09681,
"h": 283.8
},
"luminance": 0.0085
}Semantic roles & 50–950 ramp
primary
#170C43
secondary
#6E7F2C
accent
#EC3BC9
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040109
muted
#79777B