#0C184B#0C184B
#0C184B is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.096 H 267.9°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).
Color values
| HEX | #0C184B |
|---|---|
| RGB | rgb(12, 24, 75) |
| HSL | hsl(229, 72%, 17%) |
| HSV | hsv(229, 84%, 29%) |
| CMYK | cmyk(84%, 68%, 0%, 70.6%) |
| CIE-LAB | lab(10.84, 16.27, -33.08) |
| CIE-LCH | lch(10.84, 36.86, 296.19°) |
| OKLab | oklab(23.77% -0.0034 -0.0956) |
| OKLCH | oklch(23.77% 0.096 267.9) |
| XYZ | xyz(1.7478, 1.2392, 6.8023) |
| Luminance | 0.0124 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.16
Navy (survey)
#01153E
ΔE00 2.99
Dark Navy
#000435
ΔE00 4.89
Midnight Blue (survey)
#020035
ΔE00 5.32
Very Dark Blue
#000133
ΔE00 5.36
Dark Navy Blue
#00022E
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0C184B #4B3F0C
analogous
#0C384B #0C184B #1F0C4B
triadic
#0C184B #4B0C18 #184B0C
tetradic
#0C184B #4B0C38 #4B3F0C #0C4B1F
square
#0C184B #4B0C38 #4B3F0C #0C4B1F
split-complementary
#0C184B #4B1F0C #384B0C
monochromatic
#04081A #04081A #0C184B #142980 #1D3AB5
Accessibility & contrast
On white
16.83
#0C184B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.25
#0C184B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0C184B
16.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0C184B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0C184B | 1.00 | 16.83 | 1.25 | 16.83 |
| #FFFFFF | 16.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.83 | 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: #0c184b; /* rgb */ color: rgb(12, 24, 75); /* oklch */ color: oklch(23.8% 0.096 267.9);
Tailwind
colors: {
custom: {
50: '#57547e',
500: '#0c184b',
950: '#000000',
},
}SCSS
$custom: #0c184b; $custom-light: #57547e; $custom-dark: #000000;
JSON
{
"hex": "#0c184b",
"rgb": {
"r": 12,
"g": 24,
"b": 75
},
"hsl": {
"h": 228.571,
"s": 72.414,
"l": 17.059
},
"oklch": {
"l": 0.23768,
"c": 0.09566,
"h": 267.9
},
"luminance": 0.01239
}Semantic roles & 50–950 ramp
primary
#0C184B
secondary
#87752C
accent
#CC39EF
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C