#17448C#17448C
#17448C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.0% C 0.130 H 259.7°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).
Color values
| HEX | #17448C |
|---|---|
| RGB | rgb(23, 68, 140) |
| HSL | hsl(217, 72%, 32%) |
| HSV | hsv(217, 84%, 55%) |
| CMYK | cmyk(83.6%, 51.4%, 0%, 45.1%) |
| CIE-LAB | lab(29.93, 13.10, -44.29) |
| CIE-LCH | lch(29.93, 46.19, 286.48°) |
| OKLab | oklab(40.02% -0.0232 -0.1275) |
| OKLCH | oklch(40.02% 0.13 259.7) |
| XYZ | xyz(7.1524, 6.2090, 25.6273) |
| Luminance | 0.0621 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.30
Darkish Blue
#014182
ΔE00 2.25
Twilight Blue
#0A437A
ΔE00 3.21
Cobalt
#0047AB
ΔE00 4.10
Prussian Blue
#004577
ΔE00 4.59
Dusk Blue
#26538D
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17448C #8C5F17
analogous
#177F8C #17448C #25178C
triadic
#17448C #8C1744 #448C17
tetradic
#17448C #8C177F #8C5F17 #178C25
square
#17448C #8C177F #8C5F17 #178C25
split-complementary
#17448C #8C2517 #7F8C17
monochromatic
#061123 #0E2A57 #17448C #205EC1 #3E7CDF
Accessibility & contrast
On white
9.37
#17448C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.24
#17448C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17448C
9.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17448C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17448C | 1.00 | 9.37 | 2.24 | 9.37 |
| #FFFFFF | 9.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#174C8F
Deuteranopia (green-blind)
#00428B
Tritanopia (blue-blind)
#005561
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #17448c; /* rgb */ color: rgb(23, 68, 140); /* oklch */ color: oklch(40.0% 0.130 259.7);
Tailwind
colors: {
custom: {
50: '#6977ae',
500: '#17448c',
950: '#000000',
},
}SCSS
$custom: #17448c; $custom-light: #6977ae; $custom-dark: #000000;
JSON
{
"hex": "#17448c",
"rgb": {
"r": 23,
"g": 68,
"b": 140
},
"hsl": {
"h": 216.923,
"s": 71.779,
"l": 31.961
},
"oklch": {
"l": 0.40021,
"c": 0.12961,
"h": 259.7
},
"luminance": 0.0621
}Semantic roles & 50–950 ramp
primary
#17448C
secondary
#BF8E3F
accent
#A939EF
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F