#0B154E#0B154E
#0B154E is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.105 H 268.6°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).
Color values
| HEX | #0B154E |
|---|---|
| RGB | rgb(11, 21, 78) |
| HSL | hsl(231, 75%, 17%) |
| HSV | hsv(231, 86%, 31%) |
| CMYK | cmyk(85.9%, 73.1%, 0%, 69.4%) |
| CIE-LAB | lab(10.24, 19.70, -36.14) |
| CIE-LCH | lch(10.24, 41.16, 298.60°) |
| OKLab | oklab(23.4% -0.0026 -0.1046) |
| OKLCH | oklch(23.4% 0.105 268.6) |
| XYZ | xyz(1.7808, 1.1573, 7.3358) |
| Luminance | 0.0116 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.81
Navy (survey)
#01153E
ΔE00 4.17
Night Blue
#040348
ΔE00 4.64
Dark Navy
#000435
ΔE00 5.06
Midnight Blue (survey)
#020035
ΔE00 5.17
Very Dark Blue
#000133
ΔE00 5.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B154E #4E440B
analogous
#0B364E #0B154E #230B4E
triadic
#0B154E #4E0B15 #154E0B
tetradic
#0B154E #4E0B36 #4E440B #0B4E23
square
#0B154E #4E0B36 #4E440B #0B4E23
split-complementary
#0B154E #4E230B #364E0B
monochromatic
#04071B #04071B #0B154E #132384 #1A32B9
Accessibility & contrast
On white
17.05
#0B154E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.23
#0B154E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B154E
17.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B154E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B154E | 1.00 | 17.05 | 1.23 | 17.05 |
| #FFFFFF | 17.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001F50
Deuteranopia (green-blind)
#00194D
Tritanopia (blue-blind)
#00242F
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #0b154e; /* rgb */ color: rgb(11, 21, 78); /* oklch */ color: oklch(23.4% 0.105 268.6);
Tailwind
colors: {
custom: {
50: '#585280',
500: '#0b154e',
950: '#000000',
},
}SCSS
$custom: #0b154e; $custom-light: #585280; $custom-dark: #000000;
JSON
{
"hex": "#0b154e",
"rgb": {
"r": 11,
"g": 21,
"b": 78
},
"hsl": {
"h": 231.045,
"s": 75.281,
"l": 17.451
},
"oklch": {
"l": 0.23404,
"c": 0.10466,
"h": 268.6
},
"luminance": 0.01158
}Semantic roles & 50–950 ramp
primary
#0B154E
secondary
#8A7C2B
accent
#D636F2
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C