#174990#174990
#174990 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.5% C 0.129 H 258.1°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).
Color values
| HEX | #174990 |
|---|---|
| RGB | rgb(23, 73, 144) |
| HSL | hsl(215, 72%, 33%) |
| HSV | hsv(215, 84%, 56%) |
| CMYK | cmyk(84%, 49.3%, 0%, 43.5%) |
| CIE-LAB | lab(31.72, 11.31, -43.87) |
| CIE-LCH | lch(31.72, 45.30, 284.46°) |
| OKLab | oklab(41.48% -0.0265 -0.1262) |
| OKLCH | oklch(41.48% 0.129 258.1) |
| XYZ | xyz(7.7681, 6.9599, 27.3141) |
| Luminance | 0.0696 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.91
Darkish Blue
#014182
ΔE00 3.06
Dusk Blue
#26538D
ΔE00 3.37
Twilight Blue
#0A437A
ΔE00 3.50
Cobalt
#0047AB
ΔE00 3.78
Light Navy
#155084
ΔE00 3.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#174990 #905E17
analogous
#178590 #174990 #221790
triadic
#174990 #901749 #499017
tetradic
#174990 #901785 #905E17 #179022
square
#174990 #901785 #905E17 #179022
split-complementary
#174990 #902217 #859017
monochromatic
#061326 #0F2E5B #174990 #1F64C5 #4183E1
Accessibility & contrast
On white
8.78
#174990 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.39
#174990 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #174990
8.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##174990 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##174990 | 1.00 | 8.78 | 2.39 | 8.78 |
| #FFFFFF | 8.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#205093
Deuteranopia (green-blind)
#00468F
Tritanopia (blue-blind)
#005A65
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #174990; /* rgb */ color: rgb(23, 73, 144); /* oklch */ color: oklch(41.5% 0.129 258.1);
Tailwind
colors: {
custom: {
50: '#6a7bb1',
500: '#174990',
950: '#000000',
},
}SCSS
$custom: #174990; $custom-light: #6a7bb1; $custom-dark: #000000;
JSON
{
"hex": "#174990",
"rgb": {
"r": 23,
"g": 73,
"b": 144
},
"hsl": {
"h": 215.207,
"s": 72.455,
"l": 32.745
},
"oklch": {
"l": 0.4148,
"c": 0.12891,
"h": 258.1
},
"luminance": 0.06961
}Semantic roles & 50–950 ramp
primary
#174990
secondary
#C18C42
accent
#A439EF
background
#F6F7FA
surface
#ECEDF5
border
#C7C8CF
text
#080911
muted
#7A7B80