#172790#172790
#172790 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.6% C 0.171 H 268.0°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).
Color values
| HEX | #172790 |
|---|---|
| RGB | rgb(23, 39, 144) |
| HSL | hsl(232, 72%, 33%) |
| HSV | hsv(232, 84%, 56%) |
| CMYK | cmyk(84%, 72.9%, 0%, 43.5%) |
| CIE-LAB | lab(22.47, 34.51, -58.96) |
| CIE-LCH | lch(22.47, 68.32, 300.34°) |
| OKLab | oklab(34.57% -0.006 -0.1709) |
| OKLCH | oklch(34.57% 0.171 268) |
| XYZ | xyz(6.1112, 3.6461, 26.7618) |
| Luminance | 0.0365 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.90
Midnight Blue
#191970
ΔE00 5.69
Sapphire (survey)
#2138AB
ΔE00 5.73
Cobalt Blue
#030AA7
ΔE00 6.28
Royal Blue (survey)
#0504AA
ΔE00 6.90
Indigo Blue
#3A18B1
ΔE00 6.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#172790 #908017
analogous
#176390 #172790 #431790
triadic
#172790 #901727 #279017
tetradic
#172790 #901763 #908017 #179043
square
#172790 #901763 #908017 #179043
split-complementary
#172790 #904317 #639017
monochromatic
#060A26 #0F195B #172790 #1F35C5 #4156E1
Accessibility & contrast
On white
12.14
#172790 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.73
#172790 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #172790
12.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##172790 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##172790 | 1.00 | 12.14 | 1.73 | 12.14 |
| #FFFFFF | 12.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003C93
Deuteranopia (green-blind)
#00308E
Tritanopia (blue-blind)
#004559
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #172790; /* rgb */ color: rgb(23, 39, 144); /* oklch */ color: oklch(34.6% 0.171 268.0);
Tailwind
colors: {
custom: {
50: '#6d61b2',
500: '#172790',
950: '#000000',
},
}SCSS
$custom: #172790; $custom-light: #6d61b2; $custom-dark: #000000;
JSON
{
"hex": "#172790",
"rgb": {
"r": 23,
"g": 39,
"b": 144
},
"hsl": {
"h": 232.066,
"s": 72.455,
"l": 32.745
},
"oklch": {
"l": 0.34566,
"c": 0.17098,
"h": 268
},
"luminance": 0.03647
}Semantic roles & 50–950 ramp
primary
#172790
secondary
#C1B042
accent
#D739EF
background
#F7F5FB
surface
#EDEAF6
border
#C8C6D0
text
#080511
muted
#7B7980