#171990#171990
#171990 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.184 H 269.4°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).
Color values
| HEX | #171990 |
|---|---|
| RGB | rgb(23, 25, 144) |
| HSL | hsl(239, 72%, 33%) |
| HSV | hsv(239, 84%, 56%) |
| CMYK | cmyk(84%, 82.6%, 0%, 43.5%) |
| CIE-LAB | lab(19.60, 42.65, -63.70) |
| CIE-LCH | lch(19.60, 76.66, 303.80°) |
| OKLab | oklab(32.53% -0.0019 -0.1845) |
| OKLCH | oklch(32.53% 0.184 269.4) |
| XYZ | xyz(5.7333, 2.8904, 26.6359) |
| Luminance | 0.0289 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 0.73
Cobalt Blue
#030AA7
ΔE00 3.63
Darkblue
#00008B
ΔE00 4.06
Royal Blue (survey)
#0504AA
ΔE00 4.22
Navy
#000080
ΔE00 4.85
Midnight Blue
#191970
ΔE00 4.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#171990 #908E17
analogous
#175690 #171990 #511790
triadic
#171990 #901719 #199017
tetradic
#171990 #901756 #908E17 #179051
square
#171990 #901756 #908E17 #179051
split-complementary
#171990 #905117 #569017
monochromatic
#060726 #0F105B #171990 #1F22C5 #4143E1
Accessibility & contrast
On white
13.31
#171990 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.58
#171990 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #171990
13.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##171990 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##171990 | 1.00 | 13.31 | 1.58 | 13.31 |
| #FFFFFF | 13.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003693
Deuteranopia (green-blind)
#00298E
Tritanopia (blue-blind)
#003F55
Achromatopsia (no color)
#2F2F2F
Design tokens & code
CSS
--color: #171990; /* rgb */ color: rgb(23, 25, 144); /* oklch */ color: oklch(32.5% 0.184 269.4);
Tailwind
colors: {
custom: {
50: '#6e59b2',
500: '#171990',
950: '#000000',
},
}SCSS
$custom: #171990; $custom-light: #6e59b2; $custom-dark: #000000;
JSON
{
"hex": "#171990",
"rgb": {
"r": 23,
"g": 25,
"b": 144
},
"hsl": {
"h": 239.008,
"s": 72.455,
"l": 32.745
},
"oklch": {
"l": 0.32535,
"c": 0.18449,
"h": 269.4
},
"luminance": 0.02891
}Semantic roles & 50–950 ramp
primary
#171990
secondary
#C1BF42
accent
#EC39EF
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090411
muted
#7B7980