#174C9D#174C9D
#174C9D is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.143 H 259.2°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).
Color values
| HEX | #174C9D |
|---|---|
| RGB | rgb(23, 76, 157) |
| HSL | hsl(216, 74%, 35%) |
| HSV | hsv(216, 85%, 62%) |
| CMYK | cmyk(85.4%, 51.6%, 0%, 38.4%) |
| CIE-LAB | lab(33.53, 14.59, -48.84) |
| CIE-LCH | lch(33.53, 50.97, 286.63°) |
| OKLab | oklab(43.17% -0.0267 -0.1407) |
| OKLCH | oklch(43.17% 0.143 259.2) |
| XYZ | xyz(9.0214, 7.7842, 32.9188) |
| Luminance | 0.0779 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.15
Cobalt
#0047AB
ΔE00 2.65
Dusk Blue
#26538D
ΔE00 3.25
Sapphire
#0F52BA
ΔE00 4.00
Light Navy
#155084
ΔE00 4.48
Darkish Blue
#014182
ΔE00 4.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#174C9D #9D6817
analogous
#178F9D #174C9D #25179D
triadic
#174C9D #9D174C #4C9D17
tetradic
#174C9D #9D178F #9D6817 #179D25
square
#174C9D #9D178F #9D6817 #179D25
split-complementary
#174C9D #9D2517 #8F9D17
monochromatic
#071832 #0F3268 #174C9D #1F66D2 #4A87E4
Accessibility & contrast
On white
8.21
#174C9D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#174C9D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #174C9D
8.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##174C9D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##174C9D | 1.00 | 8.21 | 2.56 | 8.21 |
| #FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1755A0
Deuteranopia (green-blind)
#00499B
Tritanopia (blue-blind)
#00606D
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #174c9d; /* rgb */ color: rgb(23, 76, 157); /* oklch */ color: oklch(43.2% 0.143 259.2);
Tailwind
colors: {
custom: {
50: '#6d7dba',
500: '#174c9d',
950: '#000000',
},
}SCSS
$custom: #174c9d; $custom-light: #6d7dba; $custom-dark: #000000;
JSON
{
"hex": "#174c9d",
"rgb": {
"r": 23,
"g": 76,
"b": 157
},
"hsl": {
"h": 216.269,
"s": 74.444,
"l": 35.294
},
"oklch": {
"l": 0.43167,
"c": 0.14324,
"h": 259.2
},
"luminance": 0.07785
}Semantic roles & 50–950 ramp
primary
#174C9D
secondary
#C6954A
accent
#A737F1
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080912
muted
#7B7B81