#173179#173179
#173179 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.2% C 0.127 H 265.1°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #173179 |
|---|---|
| RGB | rgb(23, 49, 121) |
| HSL | hsl(224, 68%, 28%) |
| HSV | hsv(224, 81%, 47%) |
| CMYK | cmyk(81%, 59.5%, 0%, 52.5%) |
| CIE-LAB | lab(22.86, 18.62, -43.88) |
| CIE-LCH | lch(22.86, 47.67, 292.99°) |
| OKLab | oklab(34.18% -0.0108 -0.1267) |
| OKLCH | oklch(34.18% 0.127 265.1) |
| XYZ | xyz(4.9016, 3.7587, 18.5526) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine
#042E60
ΔE00 4.70
Marine Blue
#01386A
ΔE00 5.62
Darkish Blue
#014182
ΔE00 6.53
Twilight Blue
#0A437A
ΔE00 7.43
Sapphire (survey)
#2138AB
ΔE00 7.68
Midnight Blue
#191970
ΔE00 7.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#173179 #795F17
analogous
#176279 #173179 #2E1779
triadic
#173179 #791731 #317917
tetradic
#173179 #791762 #795F17 #17792E
square
#173179 #791762 #795F17 #17792E
split-complementary
#173179 #792E17 #627917
monochromatic
#050A1A #0D1C46 #173179 #2146AC #325ED8
Accessibility & contrast
On white
11.99
#173179 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#173179 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #173179
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##173179 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##173179 | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003B7B
Deuteranopia (green-blind)
#003278
Tritanopia (blue-blind)
#004350
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #173179; /* rgb */ color: rgb(23, 49, 121); /* oklch */ color: oklch(34.2% 0.127 265.1);
Tailwind
colors: {
custom: {
50: '#6568a0',
500: '#173179',
950: '#000000',
},
}SCSS
$custom: #173179; $custom-light: #6568a0; $custom-dark: #000000;
JSON
{
"hex": "#173179",
"rgb": {
"r": 23,
"g": 49,
"b": 121
},
"hsl": {
"h": 224.082,
"s": 68.056,
"l": 28.235
},
"oklch": {
"l": 0.3418,
"c": 0.12716,
"h": 265.1
},
"luminance": 0.03759
}Semantic roles & 50–950 ramp
primary
#173179
secondary
#AE903E
accent
#BD3DEB
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#07060F
muted
#7A7A7E