#0B1F45#0B1F45
#0B1F45 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.8% C 0.076 H 261.7°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).
Color values
| HEX | #0B1F45 |
|---|---|
| RGB | rgb(11, 31, 69) |
| HSL | hsl(219, 73%, 16%) |
| HSV | hsv(219, 84%, 27%) |
| CMYK | cmyk(84.1%, 55.1%, 0%, 72.9%) |
| CIE-LAB | lab(12.48, 8.03, -26.25) |
| CIE-LCH | lch(12.48, 27.45, 287.01°) |
| OKLab | oklab(24.82% -0.011 -0.0754) |
| OKLCH | oklch(24.82% 0.076 261.7) |
| XYZ | xyz(1.7018, 1.4806, 5.8252) |
| Luminance | 0.0148 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 3.25
Navy Blue
#1B2A4A
ΔE00 3.85
Navy Blue (survey)
#001146
ΔE00 5.55
Marine
#042E60
ΔE00 6.17
Dark Navy
#000435
ΔE00 6.81
Dark Navy Blue
#00022E
ΔE00 6.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B1F45 #45310B
analogous
#0B3C45 #0B1F45 #140B45
triadic
#0B1F45 #450B1F #1F450B
tetradic
#0B1F45 #450B3C #45310B #0B4514
square
#0B1F45 #450B3C #45310B #0B4514
split-complementary
#0B1F45 #45140B #3C450B
monochromatic
#040C1A #040C1A #0B1F45 #13377A #1C4EAF
Accessibility & contrast
On white
16.20
#0B1F45 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.30
#0B1F45 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B1F45
16.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B1F45 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B1F45 | 1.00 | 16.20 | 1.30 | 16.20 |
| #FFFFFF | 16.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#092346
Deuteranopia (green-blind)
#001E44
Tritanopia (blue-blind)
#00282E
Achromatopsia (no color)
#202020
Design tokens & code
CSS
--color: #0b1f45; /* rgb */ color: rgb(11, 31, 69); /* oklch */ color: oklch(24.8% 0.076 261.7);
Tailwind
colors: {
custom: {
50: '#545a79',
500: '#0b1f45',
950: '#000000',
},
}SCSS
$custom: #0b1f45; $custom-light: #545a79; $custom-dark: #000000;
JSON
{
"hex": "#0b1f45",
"rgb": {
"r": 11,
"g": 31,
"b": 69
},
"hsl": {
"h": 219.31,
"s": 72.5,
"l": 15.686
},
"oklch": {
"l": 0.24823,
"c": 0.07622,
"h": 261.7
},
"luminance": 0.01481
}Semantic roles & 50–950 ramp
primary
#0B1F45
secondary
#81632A
accent
#B039EF
background
#F5F5F7
surface
#E9E9ED
border
#C5C5C8
text
#030309
muted
#78787B