#17448F#17448F
#17448F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.3% C 0.134 H 260.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).
Color values
| HEX | #17448F |
|---|---|
| RGB | rgb(23, 68, 143) |
| HSL | hsl(218, 72%, 33%) |
| HSV | hsv(218, 84%, 56%) |
| CMYK | cmyk(83.9%, 52.4%, 0%, 43.9%) |
| CIE-LAB | lab(30.15, 14.34, -45.78) |
| CIE-LCH | lch(30.15, 47.97, 287.39°) |
| OKLab | oklab(40.26% -0.0228 -0.1319) |
| OKLCH | oklch(40.26% 0.134 260.2) |
| XYZ | xyz(7.3766, 6.2987, 26.8083) |
| Luminance | 0.0630 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.30
Darkish Blue
#014182
ΔE00 2.62
Twilight Blue
#0A437A
ΔE00 3.62
Cobalt
#0047AB
ΔE00 3.71
Prussian Blue
#004577
ΔE00 4.94
Dusk Blue
#26538D
ΔE00 5.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17448F #8F6217
analogous
#17808F #17448F #26178F
triadic
#17448F #8F1744 #448F17
tetradic
#17448F #8F1780 #8F6217 #178F26
square
#17448F #8F1780 #8F6217 #178F26
split-complementary
#17448F #8F2617 #808F17
monochromatic
#061226 #0F2B5A #17448F #1F5DC4 #407CE0
Accessibility & contrast
On white
9.29
#17448F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.26
#17448F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17448F
9.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17448F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17448F | 1.00 | 9.29 | 2.26 | 9.29 |
| #FFFFFF | 9.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#124D92
Deuteranopia (green-blind)
#00428E
Tritanopia (blue-blind)
#005663
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #17448f; /* rgb */ color: rgb(23, 68, 143); /* oklch */ color: oklch(40.3% 0.134 260.2);
Tailwind
colors: {
custom: {
50: '#6a77b0',
500: '#17448f',
950: '#000000',
},
}SCSS
$custom: #17448f; $custom-light: #6a77b0; $custom-dark: #000000;
JSON
{
"hex": "#17448f",
"rgb": {
"r": 23,
"g": 68,
"b": 143
},
"hsl": {
"h": 217.5,
"s": 72.289,
"l": 32.549
},
"oklch": {
"l": 0.4026,
"c": 0.13385,
"h": 260.2
},
"luminance": 0.063
}Semantic roles & 50–950 ramp
primary
#17448F
secondary
#C19141
accent
#AB39EF
background
#F6F7FA
surface
#ECEDF5
border
#C7C8CF
text
#080811
muted
#7A7B80