#0D184B#0D184B
#0D184B is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.095 H 268.6°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).
Color values
| HEX | #0D184B |
|---|---|
| RGB | rgb(13, 24, 75) |
| HSL | hsl(229, 70%, 17%) |
| HSV | hsv(229, 83%, 29%) |
| CMYK | cmyk(82.7%, 68%, 0%, 70.6%) |
| CIE-LAB | lab(10.90, 16.40, -32.99) |
| CIE-LCH | lch(10.90, 36.84, 296.44°) |
| OKLab | oklab(23.82% -0.0024 -0.0953) |
| OKLCH | oklch(23.82% 0.095 268.6) |
| XYZ | xyz(1.7622, 1.2466, 6.8030) |
| Luminance | 0.0125 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.19
Navy (survey)
#01153E
ΔE00 3.07
Dark Navy
#000435
ΔE00 4.91
Midnight Blue (survey)
#020035
ΔE00 5.32
Very Dark Blue
#000133
ΔE00 5.37
Night Blue
#040348
ΔE00 5.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0D184B #4B400D
analogous
#0D374B #0D184B #210D4B
triadic
#0D184B #4B0D18 #184B0D
tetradic
#0D184B #4B0D37 #4B400D #0D4B21
square
#0D184B #4B0D37 #4B400D #0D4B21
split-complementary
#0D184B #4B210D #374B0D
monochromatic
#05081A #05081A #0D184B #16297F #1F39B3
Accessibility & contrast
On white
16.81
#0D184B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.25
#0D184B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0D184B
16.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0D184B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0D184B | 1.00 | 16.81 | 1.25 | 16.81 |
| #FFFFFF | 16.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00204D
Deuteranopia (green-blind)
#001A4A
Tritanopia (blue-blind)
#00252E
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #0d184b; /* rgb */ color: rgb(13, 24, 75); /* oklch */ color: oklch(23.8% 0.095 268.6);
Tailwind
colors: {
custom: {
50: '#57547e',
500: '#0d184b',
950: '#000000',
},
}SCSS
$custom: #0d184b; $custom-light: #57547e; $custom-dark: #000000;
JSON
{
"hex": "#0d184b",
"rgb": {
"r": 13,
"g": 24,
"b": 75
},
"hsl": {
"h": 229.355,
"s": 70.455,
"l": 17.255
},
"oklch": {
"l": 0.23822,
"c": 0.09534,
"h": 268.6
},
"luminance": 0.01247
}Semantic roles & 50–950 ramp
primary
#0D184B
secondary
#86772E
accent
#CE3BED
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C