#172173#172173
#172173 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.4% C 0.139 H 269.9°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).
Color values
| HEX | #172173 |
|---|---|
| RGB | rgb(23, 33, 115) |
| HSL | hsl(233, 67%, 27%) |
| HSV | hsv(233, 80%, 45%) |
| CMYK | cmyk(80%, 71.3%, 0%, 54.9%) |
| CIE-LAB | lab(17.95, 27.44, -48.07) |
| CIE-LCH | lch(17.95, 55.35, 299.72°) |
| OKLab | oklab(30.38% -0.0002 -0.1391) |
| OKLCH | oklch(30.38% 0.139 269.9) |
| XYZ | xyz(3.9907, 2.5072, 16.4900) |
| Luminance | 0.0251 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 2.40
Royal
#0C1793
ΔE00 5.86
Dark Royal Blue
#02066F
ΔE00 6.34
Darkblue (survey)
#030764
ΔE00 6.44
Deep Blue
#040273
ΔE00 7.03
Navy
#000080
ΔE00 7.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#172173 #736917
analogous
#174F73 #172173 #3B1773
triadic
#172173 #731721 #217317
tetradic
#172173 #73174F #736917 #17733B
square
#172173 #73174F #736917 #17733B
split-complementary
#172173 #733B17 #4F7317
monochromatic
#05071A #0D1240 #172173 #2130A6 #2F41D5
Accessibility & contrast
On white
13.99
#172173 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.50
#172173 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #172173
13.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##172173 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##172173 | 1.00 | 13.99 | 1.50 | 13.99 |
| #FFFFFF | 13.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003076
Deuteranopia (green-blind)
#002871
Tritanopia (blue-blind)
#003747
Achromatopsia (no color)
#2C2C2C
Design tokens & code
CSS
--color: #172173; /* rgb */ color: rgb(23, 33, 115); /* oklch */ color: oklch(30.4% 0.139 269.9);
Tailwind
colors: {
custom: {
50: '#655c9c',
500: '#172173',
950: '#000000',
},
}SCSS
$custom: #172173; $custom-light: #655c9c; $custom-dark: #000000;
JSON
{
"hex": "#172173",
"rgb": {
"r": 23,
"g": 33,
"b": 115
},
"hsl": {
"h": 233.478,
"s": 66.667,
"l": 27.059
},
"oklch": {
"l": 0.30381,
"c": 0.13914,
"h": 269.9
},
"luminance": 0.02508
}Semantic roles & 50–950 ramp
primary
#172173
secondary
#A99D3D
accent
#D73EEA
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#07040E
muted
#7A797E