#0B1126
Closest named color: Rich Navy (#001219). oklch(18.5% 0.044 269.7), rgb(11, 17, 38).
Aa
White text reads best on this color (18.70:1).
About this color
#0B1126 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.044 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.036 away. White text reads best on it, at 18.70:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.12:1 |
| White text | 18.70:1 |
Values
| HEX | #0B1126 |
| RGB | rgb(11, 17, 38) |
| HSL | hsl(227, 55%, 10%) |
| OKLCH | oklch(18.5% 0.044 269.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0B1126 | 18.70:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #0B1126 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #0B1126 text on white | 18.70:1 | AAA | Lc 105.2 | Preferred for body text |
| #0B1126 text on black | 1.12:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B3C0E3
oklch(80.9% 0.052 269.2)
-
Step 400
400
#8C9FD5
oklch(70.8% 0.082 269.3)
-
Step 500
500
#7086CA
oklch(63.1% 0.106 269.6)
-
Step 600
600
#596EB7
oklch(55.5% 0.116 270.2)
-
Step 700
700
#495C9D
oklch(49.1% 0.107 269.8)
-
Step 800
800
#3C4B80
oklch(42.6% 0.09 270.3)
-
Step 900
900
#333F66
oklch(37.6% 0.069 269.9)
-
Step 950
950 (this color)
#0B1126
oklch(18.5% 0.044 269.7)
#0B1126 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #081327 | 0.008 |
| Deuteranopia (no green cones) | #051126 | 0.010 |
| Tritanopia (no blue cones) | #011619 | 0.040 |
| Achromatopsia (no color) | #121212 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B1126
#0B1126
oklch(18.5% 0.044 269.7)
- #191200
#191200
oklch(18.6% 0.038 91.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0B1126, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.036
- Rich Black #0D1B2A ΔE 0.036
- Almost Black #070D0D ΔE 0.053
- Dark Navy #000435 ΔE 0.058
- Midnight #03012D ΔE 0.061
- Dark Navy Blue #00022E ΔE 0.062
- Navy Blue #001146 ΔE 0.064
- Very Dark Blue #000133 ΔE 0.066
Use #0B1126 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.