#0B1440#0B1440
#0B1440 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.084 H 269.2°. Best body text is #FFFFFF at 17.67:1 contrast (WCAG AA passes).
Color values
| HEX | #0B1440 |
|---|---|
| RGB | rgb(11, 20, 64) |
| HSL | hsl(230, 71%, 15%) |
| HSV | hsv(230, 83%, 25%) |
| CMYK | cmyk(82.8%, 68.8%, 0%, 74.9%) |
| CIE-LAB | lab(8.49, 14.40, -29.21) |
| CIE-LCH | lch(8.49, 32.56, 296.25°) |
| OKLab | oklab(21.67% -0.0012 -0.0843) |
| OKLCH | oklch(21.67% 0.084 269.2) |
| XYZ | xyz(1.3133, 0.9415, 4.9620) |
| Luminance | 0.0094 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 2.11
Navy Blue (survey)
#001146
ΔE00 2.45
Dark Navy
#000435
ΔE00 3.27
Very Dark Blue
#000133
ΔE00 3.70
Midnight Blue (survey)
#020035
ΔE00 3.83
Dark Navy Blue
#00022E
ΔE00 4.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B1440 #40370B
analogous
#0B2F40 #0B1440 #1C0B40
triadic
#0B1440 #400B14 #14400B
tetradic
#0B1440 #400B2F #40370B #0B401C
square
#0B1440 #400B2F #40370B #0B401C
split-complementary
#0B1440 #401C0B #2F400B
monochromatic
#04081A #04081A #0B1440 #142474 #1D35A8
Accessibility & contrast
On white
17.67
#0B1440 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.19
#0B1440 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B1440
17.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B1440 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B1440 | 1.00 | 17.67 | 1.19 | 17.67 |
| #FFFFFF | 17.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001B41
Deuteranopia (green-blind)
#00163F
Tritanopia (blue-blind)
#001F27
Achromatopsia (no color)
#181818
Design tokens & code
CSS
--color: #0b1440; /* rgb */ color: rgb(11, 20, 64); /* oklch */ color: oklch(21.7% 0.084 269.2);
Tailwind
colors: {
custom: {
50: '#535175',
500: '#0b1440',
950: '#000000',
},
}SCSS
$custom: #0b1440; $custom-light: #535175; $custom-dark: #000000;
JSON
{
"hex": "#0b1440",
"rgb": {
"r": 11,
"g": 20,
"b": 64
},
"hsl": {
"h": 229.811,
"s": 70.667,
"l": 14.706
},
"oklch": {
"l": 0.21673,
"c": 0.08434,
"h": 269.2
},
"luminance": 0.00942
}Semantic roles & 50–950 ramp
primary
#0B1440
secondary
#7D6F2A
accent
#CF3AED
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030208
muted
#78787B