#0B184D#0B184D
#0B184D is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.099 H 267.4°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).
Color values
| HEX | #0B184D |
|---|---|
| RGB | rgb(11, 24, 77) |
| HSL | hsl(228, 75%, 17%) |
| HSV | hsv(228, 86%, 30%) |
| CMYK | cmyk(85.7%, 68.8%, 0%, 69.8%) |
| CIE-LAB | lab(10.99, 17.02, -34.22) |
| CIE-LCH | lch(10.99, 38.21, 296.44°) |
| OKLab | oklab(23.93% -0.0045 -0.099) |
| OKLCH | oklch(23.93% 0.099 267.4) |
| XYZ | xyz(1.8037, 1.2600, 7.1679) |
| Luminance | 0.0126 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.15
Navy (survey)
#01153E
ΔE00 3.33
Dark Navy
#000435
ΔE00 5.12
Midnight Blue (survey)
#020035
ΔE00 5.50
Very Dark Blue
#000133
ΔE00 5.58
Night Blue
#040348
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B184D #4D400B
analogous
#0B394D #0B184D #1F0B4D
triadic
#0B184D #4D0B18 #184D0B
tetradic
#0B184D #4D0B39 #4D400B #0B4D1F
square
#0B184D #4D0B39 #4D400B #0B4D1F
split-complementary
#0B184D #4D1F0B #394D0B
monochromatic
#04081B #04081B #0B184D #132983 #1A39B8
Accessibility & contrast
On white
16.77
#0B184D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.25
#0B184D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B184D
16.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B184D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B184D | 1.00 | 16.77 | 1.25 | 16.77 |
| #FFFFFF | 16.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00214F
Deuteranopia (green-blind)
#001A4C
Tritanopia (blue-blind)
#00262F
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #0b184d; /* rgb */ color: rgb(11, 24, 77); /* oklch */ color: oklch(23.9% 0.099 267.4);
Tailwind
colors: {
custom: {
50: '#57547f',
500: '#0b184d',
950: '#000000',
},
}SCSS
$custom: #0b184d; $custom-light: #57547f; $custom-dark: #000000;
JSON
{
"hex": "#0b184d",
"rgb": {
"r": 11,
"g": 24,
"b": 77
},
"hsl": {
"h": 228.182,
"s": 75,
"l": 17.255
},
"oklch": {
"l": 0.23926,
"c": 0.09906,
"h": 267.4
},
"luminance": 0.0126
}Semantic roles & 50–950 ramp
primary
#0B184D
secondary
#89772B
accent
#CD36F2
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C