#0B1D45#0B1D45
#0B1D45 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.3% C 0.079 H 263.4°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).
Color values
| HEX | #0B1D45 |
|---|---|
| RGB | rgb(11, 29, 69) |
| HSL | hsl(221, 73%, 16%) |
| HSV | hsv(221, 84%, 27%) |
| CMYK | cmyk(84.1%, 58%, 0%, 72.9%) |
| CIE-LAB | lab(11.82, 9.58, -27.32) |
| CIE-LCH | lch(11.82, 28.95, 289.33°) |
| OKLab | oklab(24.32% -0.0091 -0.0786) |
| OKLCH | oklch(24.32% 0.079 263.4) |
| XYZ | xyz(1.6512, 1.3794, 5.8083) |
| Luminance | 0.0138 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 2.50
Navy Blue
#1B2A4A
ΔE00 4.61
Navy Blue (survey)
#001146
ΔE00 4.71
Dark Navy
#000435
ΔE00 6.02
Dark Navy Blue
#00022E
ΔE00 6.27
Very Dark Blue
#000133
ΔE00 6.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B1D45 #45330B
analogous
#0B3A45 #0B1D45 #160B45
triadic
#0B1D45 #450B1D #1D450B
tetradic
#0B1D45 #450B3A #45330B #0B4516
square
#0B1D45 #450B3A #45330B #0B4516
split-complementary
#0B1D45 #45160B #3A450B
monochromatic
#040B1A #040B1A #0B1D45 #13337A #1C49AF
Accessibility & contrast
On white
16.46
#0B1D45 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.28
#0B1D45 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B1D45
16.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B1D45 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B1D45 | 1.00 | 16.46 | 1.28 | 16.46 |
| #FFFFFF | 16.46 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.46 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#042246
Deuteranopia (green-blind)
#001D44
Tritanopia (blue-blind)
#00272D
Achromatopsia (no color)
#1F1F1F
Design tokens & code
CSS
--color: #0b1d45; /* rgb */ color: rgb(11, 29, 69); /* oklch */ color: oklch(24.3% 0.079 263.4);
Tailwind
colors: {
custom: {
50: '#545879',
500: '#0b1d45',
950: '#000000',
},
}SCSS
$custom: #0b1d45; $custom-light: #545879; $custom-dark: #000000;
JSON
{
"hex": "#0b1d45",
"rgb": {
"r": 11,
"g": 29,
"b": 69
},
"hsl": {
"h": 221.379,
"s": 72.5,
"l": 15.686
},
"oklch": {
"l": 0.24316,
"c": 0.07914,
"h": 263.4
},
"luminance": 0.0138
}Semantic roles & 50–950 ramp
primary
#0B1D45
secondary
#81662A
accent
#B739EF
background
#F5F5F7
surface
#E9E9ED
border
#C5C5C8
text
#030309
muted
#78787B