#174C8F#174C8F
#174C8F is a dark, vivid cyan. Relative luminance 0.073; OKLCH L 42.1% C 0.124 H 256.4°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).
Color values
| HEX | #174C8F |
|---|---|
| RGB | rgb(23, 76, 143) |
| HSL | hsl(214, 72%, 33%) |
| HSV | hsv(214, 84%, 56%) |
| CMYK | cmyk(83.9%, 46.9%, 0%, 43.9%) |
| CIE-LAB | lab(32.55, 8.87, -41.91) |
| CIE-LCH | lch(32.55, 42.84, 281.95°) |
| OKLab | oklab(42.11% -0.0291 -0.1203) |
| OKLCH | oklch(42.11% 0.124 256.4) |
| XYZ | xyz(7.8939, 7.3332, 26.9807) |
| Luminance | 0.0733 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.99
Dusk Blue
#26538D
ΔE00 2.35
Light Navy
#155084
ΔE00 2.88
Darkish Blue
#014182
ΔE00 3.69
Twilight Blue
#0A437A
ΔE00 3.72
Prussian Blue
#004577
ΔE00 4.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#174C8F #8F5A17
analogous
#17888F #174C8F #1E178F
triadic
#174C8F #8F174C #4C8F17
tetradic
#174C8F #8F1788 #8F5A17 #178F1E
square
#174C8F #8F1788 #8F5A17 #178F1E
split-complementary
#174C8F #8F1E17 #888F17
monochromatic
#061426 #0F305A #174C8F #1F68C4 #4087E0
Accessibility & contrast
On white
8.51
#174C8F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#174C8F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #174C8F
8.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##174C8F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##174C8F | 1.00 | 8.51 | 2.47 | 8.51 |
| #FFFFFF | 8.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#285292
Deuteranopia (green-blind)
#09488E
Tritanopia (blue-blind)
#005C66
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #174c8f; /* rgb */ color: rgb(23, 76, 143); /* oklch */ color: oklch(42.1% 0.124 256.4);
Tailwind
colors: {
custom: {
50: '#6a7db0',
500: '#174c8f',
950: '#000000',
},
}SCSS
$custom: #174c8f; $custom-light: #6a7db0; $custom-dark: #000000;
JSON
{
"hex": "#174c8f",
"rgb": {
"r": 23,
"g": 76,
"b": 143
},
"hsl": {
"h": 213.5,
"s": 72.289,
"l": 32.549
},
"oklch": {
"l": 0.42105,
"c": 0.1238,
"h": 256.4
},
"luminance": 0.07334
}Semantic roles & 50–950 ramp
primary
#174C8F
secondary
#C18841
accent
#9F39EF
background
#F6F7FA
surface
#ECEEF5
border
#C7C9CF
text
#070910
muted
#7A7B7F