#0B0D2A
Closest named color: Dark Navy (#000435). oklch(17.8% 0.058 275.8), rgb(11, 13, 42).
Aa
White text reads best on this color (19.00:1).
About this color
#0B0D2A is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.058 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.044 away. White text reads best on it, at 19.00:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.10:1 |
| White text | 19.00:1 |
Values
| HEX | #0B0D2A |
| RGB | rgb(11, 13, 42) |
| HSL | hsl(236, 58%, 10%) |
| OKLCH | oklch(17.8% 0.058 275.8) |
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 #0B0D2A | 19.00:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #0B0D2A | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #0B0D2A text on white | 19.00:1 | AAA | Lc 105.3 | Preferred for body text |
| #0B0D2A text on black | 1.10:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D8F3
oklch(88.6% 0.038 275.7)
-
Step 300
300
#B4BEEE
oklch(81% 0.069 275.6)
-
Step 400
400
#8E9AE5
oklch(70.7% 0.111 276.2)
-
Step 500
500
#7380DD
oklch(63.2% 0.14 275.6)
-
Step 600
600
#5D67CB
oklch(55.6% 0.153 275.9)
-
Step 700
700
#4D55AF
oklch(49.1% 0.141 276)
-
Step 800
800
#3F468E
oklch(42.7% 0.118 276)
-
Step 900
900
#353C71
oklch(37.8% 0.09 275.5)
-
Step 950
950 (this color)
#0B0D2A
oklch(17.8% 0.058 275.8)
#0B0D2A 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) | #00122B | 0.023 |
| Deuteranopia (no green cones) | #000F29 | 0.021 |
| Tritanopia (no blue cones) | #001419 | 0.051 |
| Achromatopsia (no color) | #101010 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B0D2A
#0B0D2A
oklch(17.8% 0.058 275.8)
- #161100
#161100
oklch(17.9% 0.037 96.5)
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 #0B0D2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.044
- Midnight #03012D ΔE 0.047
- Rich Navy #001219 ΔE 0.047
- Dark Navy Blue #00022E ΔE 0.049
- Rich Black #0D1B2A ΔE 0.050
- Very Dark Blue #000133 ΔE 0.052
- Navy Blue #001146 ΔE 0.058
- Almost Black #070D0D ΔE 0.063
Use #0B0D2A 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.