#0B1848#0B1848
#0B1848 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.091 H 267.2°. Best body text is #FFFFFF at 16.96:1 contrast (WCAG AA passes).
Color values
| HEX | #0B1848 |
|---|---|
| RGB | rgb(11, 24, 72) |
| HSL | hsl(227, 73%, 16%) |
| HSV | hsv(227, 85%, 28%) |
| CMYK | cmyk(84.7%, 66.7%, 0%, 71.8%) |
| CIE-LAB | lab(10.50, 14.82, -31.56) |
| CIE-LCH | lch(10.50, 34.87, 295.16°) |
| OKLab | oklab(23.41% -0.0045 -0.0912) |
| OKLCH | oklch(23.41% 0.091 267.2) |
| XYZ | xyz(1.6339, 1.1921, 6.2736) |
| Luminance | 0.0119 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.34
Navy (survey)
#01153E
ΔE00 2.35
Dark Navy
#000435
ΔE00 4.58
Very Dark Blue
#000133
ΔE00 5.05
Midnight Blue (survey)
#020035
ΔE00 5.14
Dark Navy Blue
#00022E
ΔE00 5.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B1848 #483B0B
analogous
#0B3748 #0B1848 #1D0B48
triadic
#0B1848 #480B18 #18480B
tetradic
#0B1848 #480B37 #483B0B #0B481D
square
#0B1848 #480B37 #483B0B #0B481D
split-complementary
#0B1848 #481D0B #37480B
monochromatic
#04091B #04091B #0B1848 #132A7D #1B3BB2
Accessibility & contrast
On white
16.96
#0B1848 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#0B1848 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B1848
16.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B1848 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B1848 | 1.00 | 16.96 | 1.24 | 16.96 |
| #FFFFFF | 16.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001F4A
Deuteranopia (green-blind)
#001A47
Tritanopia (blue-blind)
#00242D
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #0b1848; /* rgb */ color: rgb(11, 24, 72); /* oklch */ color: oklch(23.4% 0.091 267.2);
Tailwind
colors: {
custom: {
50: '#55547b',
500: '#0b1848',
950: '#000000',
},
}SCSS
$custom: #0b1848; $custom-light: #55547b; $custom-dark: #000000;
JSON
{
"hex": "#0b1848",
"rgb": {
"r": 11,
"g": 24,
"b": 72
},
"hsl": {
"h": 227.213,
"s": 73.494,
"l": 16.275
},
"oklch": {
"l": 0.23407,
"c": 0.09128,
"h": 267.2
},
"luminance": 0.01192
}Semantic roles & 50–950 ramp
primary
#0B1848
secondary
#84712A
accent
#C938F0
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#030209
muted
#78787B