#17498B#17498B
#17498B is a dark, vivid cyan. Relative luminance 0.068; OKLCH L 41.1% C 0.122 H 257.0°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).
Color values
| HEX | #17498B |
|---|---|
| RGB | rgb(23, 73, 139) |
| HSL | hsl(214, 72%, 32%) |
| HSV | hsv(214, 83%, 55%) |
| CMYK | cmyk(83.5%, 47.5%, 0%, 45.5%) |
| CIE-LAB | lab(31.37, 9.26, -41.36) |
| CIE-LCH | lch(31.37, 42.38, 282.62°) |
| OKLab | oklab(41.11% -0.0274 -0.1188) |
| OKLCH | oklch(41.11% 0.122 257) |
| XYZ | xyz(7.3944, 6.8104, 25.3459) |
| Luminance | 0.0681 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.37
Darkish Blue
#014182
ΔE00 2.72
Twilight Blue
#0A437A
ΔE00 2.91
Dusk Blue
#26538D
ΔE00 3.26
Light Navy
#155084
ΔE00 3.49
Prussian Blue
#004577
ΔE00 3.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17498B #8B5917
analogous
#17838B #17498B #1F178B
triadic
#17498B #8B1749 #498B17
tetradic
#17498B #8B1783 #8B5917 #178B1F
square
#17498B #8B1783 #8B5917 #178B1F
split-complementary
#17498B #8B1F17 #838B17
monochromatic
#061222 #0E2D56 #17498B #2065C0 #3D83DF
Accessibility & contrast
On white
8.89
#17498B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#17498B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17498B
8.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17498B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17498B | 1.00 | 8.89 | 2.36 | 8.89 |
| #FFFFFF | 8.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#254F8D
Deuteranopia (green-blind)
#05458A
Tritanopia (blue-blind)
#005963
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #17498b; /* rgb */ color: rgb(23, 73, 139); /* oklch */ color: oklch(41.1% 0.122 257.0);
Tailwind
colors: {
custom: {
50: '#697bad',
500: '#17498b',
950: '#000000',
},
}SCSS
$custom: #17498b; $custom-light: #697bad; $custom-dark: #000000;
JSON
{
"hex": "#17498b",
"rgb": {
"r": 23,
"g": 73,
"b": 139
},
"hsl": {
"h": 214.138,
"s": 71.605,
"l": 31.765
},
"oklch": {
"l": 0.41105,
"c": 0.12189,
"h": 257
},
"luminance": 0.06811
}Semantic roles & 50–950 ramp
primary
#17498B
secondary
#BF883F
accent
#A039EE
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F