#0B0B28
Closest named color: Midnight (#03012D). oklch(17.1% 0.058 278.4), rgb(11, 11, 40).
Aa
White text reads best on this color (19.21:1).
About this color
#0B0B28 is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.058 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.043 away. White text reads best on it, at 19.21:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.09:1 |
| White text | 19.21:1 |
Values
| HEX | #0B0B28 |
| RGB | rgb(11, 11, 40) |
| HSL | hsl(240, 57%, 10%) |
| OKLCH | oklch(17.1% 0.058 278.4) |
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 #0B0B28 | 19.21:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #0B0B28 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #0B0B28 text on white | 19.21:1 | AAA | Lc 105.4 | Preferred for body text |
| #0B0B28 text on black | 1.09:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D7F3
oklch(88.5% 0.039 279.1)
-
Step 300
300
#B6BDED
oklch(80.9% 0.068 278.3)
-
Step 400
400
#9199E4
oklch(70.6% 0.11 278.5)
-
Step 500
500
#777EDC
oklch(63% 0.14 278.3)
-
Step 600
600
#6166CA
oklch(55.6% 0.152 278.1)
-
Step 700
700
#5154AF
oklch(49.2% 0.142 278.4)
-
Step 800
800
#42458D
oklch(42.6% 0.117 278.4)
-
Step 900
900
#373B71
oklch(37.7% 0.091 277.9)
-
Step 950
950 (this color)
#0B0B28
oklch(17.1% 0.058 278.4)
#0B0B28 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) | #001029 | 0.024 |
| Deuteranopia (no green cones) | #000D27 | 0.022 |
| Tritanopia (no blue cones) | #001217 | 0.052 |
| Achromatopsia (no color) | #0F0F0F | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B0B28
#0B0B28
oklch(17.1% 0.058 278.4)
- #141000
#141000
oklch(17.3% 0.036 98.8)
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 #0B0B28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.043
- Dark Navy #000435 ΔE 0.043
- Dark Navy Blue #00022E ΔE 0.046
- Rich Navy #001219 ΔE 0.048
- Very Dark Blue #000133 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.056
- Almost Black #070D0D ΔE 0.060
- Navy Blue #001146 ΔE 0.063
Use #0B0B28 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.