#174A8F#174A8F
#174A8F is a dark, vivid cyan. Relative luminance 0.071; OKLCH L 41.6% C 0.126 H 257.4°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).
Color values
| HEX | #174A8F |
|---|---|
| RGB | rgb(23, 74, 143) |
| HSL | hsl(215, 72%, 33%) |
| HSV | hsv(215, 84%, 56%) |
| CMYK | cmyk(83.9%, 48.3%, 0%, 43.9%) |
| CIE-LAB | lab(31.95, 10.22, -42.88) |
| CIE-LCH | lch(31.95, 44.08, 283.41°) |
| OKLab | oklab(41.64% -0.0275 -0.1232) |
| OKLCH | oklch(41.64% 0.126 257.4) |
| XYZ | xyz(7.7582, 7.0619, 26.9355) |
| Luminance | 0.0706 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.29
Dusk Blue
#26538D
ΔE00 3.00
Darkish Blue
#014182
ΔE00 3.19
Twilight Blue
#0A437A
ΔE00 3.45
Light Navy
#155084
ΔE00 3.52
Cobalt
#0047AB
ΔE00 4.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#174A8F #8F5C17
analogous
#17868F #174A8F #20178F
triadic
#174A8F #8F174A #4A8F17
tetradic
#174A8F #8F1786 #8F5C17 #178F20
square
#174A8F #8F1786 #8F5C17 #178F20
split-complementary
#174A8F #8F2017 #868F17
monochromatic
#061326 #0F2F5A #174A8F #1F65C4 #4084E0
Accessibility & contrast
On white
8.70
#174A8F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#174A8F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #174A8F
8.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##174A8F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##174A8F | 1.00 | 8.70 | 2.41 | 8.70 |
| #FFFFFF | 8.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#235192
Deuteranopia (green-blind)
#00468E
Tritanopia (blue-blind)
#005B65
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #174a8f; /* rgb */ color: rgb(23, 74, 143); /* oklch */ color: oklch(41.6% 0.126 257.4);
Tailwind
colors: {
custom: {
50: '#6a7bb0',
500: '#174a8f',
950: '#000000',
},
}SCSS
$custom: #174a8f; $custom-light: #6a7bb0; $custom-dark: #000000;
JSON
{
"hex": "#174a8f",
"rgb": {
"r": 23,
"g": 74,
"b": 143
},
"hsl": {
"h": 214.5,
"s": 72.289,
"l": 32.549
},
"oklch": {
"l": 0.41637,
"c": 0.12626,
"h": 257.4
},
"luminance": 0.07063
}Semantic roles & 50–950 ramp
primary
#174A8F
secondary
#C18A41
accent
#A239EF
background
#F6F7FA
surface
#ECEDF5
border
#C7C8CF
text
#080910
muted
#7A7B7F