#0B1036
Closest named color: Navy Blue (#001146). oklch(19.7% 0.074 272), rgb(11, 16, 54).
Aa
White text reads best on this color (18.39:1).
About this color
#0B1036 is a very dark, moderately saturated blue. In OKLCH its lightness is 20%, its chroma 0.074 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.034 away. White text reads best on it, at 18.39:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.14:1 |
| White text | 18.39:1 |
Values
| HEX | #0B1036 |
| RGB | rgb(11, 16, 54) |
| HSL | hsl(233, 66%, 13%) |
| OKLCH | oklch(19.7% 0.074 272) |
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 #0B1036 | 18.39:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #0B1036 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #0B1036 text on white | 18.39:1 | AAA | Lc 104.8 | Preferred for body text |
| #0B1036 text on black | 1.14:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBEFA
oklch(81% 0.087 272.1)
-
Step 400
400
#8299F7
oklch(70.6% 0.14 272)
-
Step 500
500
#667DF4
oklch(63.2% 0.179 272.1)
-
Step 600
600
#4F62E3
oklch(55.5% 0.195 272.1)
-
Step 700
700
#4151C5
oklch(49.2% 0.18 272)
-
Step 800
800
#35439F
oklch(42.7% 0.149 272)
-
Step 900
900
#2D3A7E
oklch(37.7% 0.116 271.6)
-
Step 950
950 (this color)
#0B1036
oklch(19.7% 0.074 272)
#0B1036 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) | #001637 | 0.022 |
| Deuteranopia (no green cones) | #001235 | 0.017 |
| Tritanopia (no blue cones) | #001920 | 0.060 |
| Achromatopsia (no color) | #141414 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B1036
#0B1036
oklch(19.7% 0.074 272)
- #1C1500
#1C1500
oklch(19.9% 0.041 93.2)
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 #0B1036, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.034
- Dark Navy #000435 ΔE 0.045
- Night Blue #040348 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.047
- Very Dark Blue #000133 ΔE 0.056
- Midnight #03012D ΔE 0.057
- Dark Navy Blue #00022E ΔE 0.058
- Rich Navy #001219 ΔE 0.065
Use #0B1036 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.