#0D174C#0D174C
#0D174C is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.7% C 0.098 H 269.0°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).
Color values
| HEX | #0D174C |
|---|---|
| RGB | rgb(13, 23, 76) |
| HSL | hsl(230, 71%, 17%) |
| HSV | hsv(230, 83%, 30%) |
| CMYK | cmyk(82.9%, 69.7%, 0%, 70.2%) |
| CIE-LAB | lab(10.70, 17.59, -33.99) |
| CIE-LCH | lch(10.70, 38.27, 297.35°) |
| OKLab | oklab(23.71% -0.0016 -0.0983) |
| OKLCH | oklch(23.71% 0.098 269) |
| XYZ | xyz(1.7764, 1.2200, 6.9779) |
| Luminance | 0.0122 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.96
Navy (survey)
#01153E
ΔE00 3.45
Dark Navy
#000435
ΔE00 4.92
Midnight Blue (survey)
#020035
ΔE00 5.21
Very Dark Blue
#000133
ΔE00 5.37
Night Blue
#040348
ΔE00 5.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0D174C #4C420D
analogous
#0D374C #0D174C #220D4C
triadic
#0D174C #4C0D17 #174C0D
tetradic
#0D174C #4C0D37 #4C420D #0D4C22
square
#0D174C #4C0D37 #4C420D #0D4C22
split-complementary
#0D174C #4C220D #374C0D
monochromatic
#04081A #04081A #0D174C #162780 #1F37B5
Accessibility & contrast
On white
16.88
#0D174C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#0D174C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0D174C
16.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0D174C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0D174C | 1.00 | 16.88 | 1.24 | 16.88 |
| #FFFFFF | 16.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00204E
Deuteranopia (green-blind)
#001A4B
Tritanopia (blue-blind)
#00252F
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #0d174c; /* rgb */ color: rgb(13, 23, 76); /* oklch */ color: oklch(23.7% 0.098 269.0);
Tailwind
colors: {
custom: {
50: '#57537f',
500: '#0d174c',
950: '#000000',
},
}SCSS
$custom: #0d174c; $custom-light: #57537f; $custom-dark: #000000;
JSON
{
"hex": "#0d174c",
"rgb": {
"r": 13,
"g": 23,
"b": 76
},
"hsl": {
"h": 230.476,
"s": 70.787,
"l": 17.451
},
"oklch": {
"l": 0.2371,
"c": 0.09829,
"h": 269
},
"luminance": 0.0122
}Semantic roles & 50–950 ramp
primary
#0D174C
secondary
#87792E
accent
#D13AEE
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C