#0B052B#0B052B
#0B052B is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.0% C 0.074 H 282.4°. Best body text is #FFFFFF at 19.61:1 contrast (WCAG AA passes).
Color values
| HEX | #0B052B |
|---|---|
| RGB | rgb(11, 5, 43) |
| HSL | hsl(249, 79%, 9%) |
| HSV | hsv(249, 88%, 17%) |
| CMYK | cmyk(74.4%, 88.4%, 0%, 83.1%) |
| CIE-LAB | lab(3.20, 11.95, -22.35) |
| CIE-LCH | lch(3.20, 25.34, 298.13°) |
| OKLab | oklab(16.01% 0.0159 -0.072) |
| OKLCH | oklch(16.01% 0.074 282.4) |
| XYZ | xyz(0.6282, 0.3541, 2.3203) |
| Luminance | 0.0035 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight
#03012D
ΔE00 2.07
Dark Navy Blue
#00022E
ΔE00 2.75
Very Dark Blue
#000133
ΔE00 3.78
Dark Navy
#000435
ΔE00 3.91
Midnight Blue (survey)
#020035
ΔE00 4.24
Navy (survey)
#01153E
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B052B #252B05
analogous
#05122B #0B052B #1E052B
triadic
#0B052B #2B0B05 #052B0B
tetradic
#0B052B #2B0512 #252B05 #052B1E
square
#0B052B #2B0512 #252B05 #052B1E
split-complementary
#0B052B #2B1E05 #122B05
monochromatic
#07031B #07031B #0B052B #190B62 #271299
Accessibility & contrast
On white
19.61
#0B052B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.07
#0B052B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B052B
19.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B052B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B052B | 1.00 | 19.61 | 1.07 | 19.61 |
| #FFFFFF | 19.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.07 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 19.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#000D2C
Deuteranopia (green-blind)
#000A2A
Tritanopia (blue-blind)
#000F17
Achromatopsia (no color)
#0C0C0C
Design tokens & code
CSS
--color: #0b052b; /* rgb */ color: rgb(11, 5, 43); /* oklch */ color: oklch(16.0% 0.074 282.4);
Tailwind
colors: {
custom: {
50: '#4d4964',
500: '#0b052b',
950: '#000000',
},
}SCSS
$custom: #0b052b; $custom-light: #4d4964; $custom-dark: #000000;
JSON
{
"hex": "#0b052b",
"rgb": {
"r": 11,
"g": 5,
"b": 43
},
"hsl": {
"h": 249.474,
"s": 79.167,
"l": 9.412
},
"oklch": {
"l": 0.16015,
"c": 0.07369,
"h": 282.4
},
"luminance": 0.00354
}Semantic roles & 50–950 ramp
primary
#0B052B
secondary
#606D1F
accent
#F632D7
background
#F4F4F6
surface
#E7E6EB
border
#C3C2C6
text
#010005
muted
#77777A