#0C0B30
Closest named color: Dark Navy (#000435). oklch(18.1% 0.071 277.7), rgb(12, 11, 48).
Aa
White text reads best on this color (18.98:1).
About this color
#0C0B30 is a very dark, moderately saturated blue. In OKLCH its lightness is 18%, its chroma 0.071 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.037 away. White text reads best on it, at 18.98:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.10:1 |
| White text | 18.98:1 |
Values
| HEX | #0C0B30 |
| RGB | rgb(12, 11, 48) |
| HSL | hsl(242, 63%, 12%) |
| OKLCH | oklch(18.1% 0.071 277.7) |
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 #0C0B30 | 18.98:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #0C0B30 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #0C0B30 text on white | 18.98:1 | AAA | Lc 105.2 | Preferred for body text |
| #0C0B30 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B3BCF7
oklch(80.9% 0.084 277.6)
-
Step 400
400
#8D97F3
oklch(70.7% 0.134 277.7)
-
Step 500
500
#737AEF
oklch(63.1% 0.173 277.7)
-
Step 600
600
#5E60DE
oklch(55.7% 0.188 277.7)
-
Step 700
700
#4E4EC0
oklch(49.1% 0.174 277.9)
-
Step 800
800
#3F419C
oklch(42.8% 0.145 277.4)
-
Step 900
900
#35387C
oklch(37.7% 0.113 277.6)
-
Step 950
950 (this color)
#0C0B30
oklch(18.1% 0.071 277.7)
#0C0B30 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) | #001231 | 0.026 |
| Deuteranopia (no green cones) | #000F2F | 0.023 |
| Tritanopia (no blue cones) | #00141C | 0.058 |
| Achromatopsia (no color) | #101010 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C0B30
#0C0B30
oklch(18.1% 0.071 277.7)
- #161200
#161200
oklch(18.2% 0.038 99.5)
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 #0C0B30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.037
- Midnight #03012D ΔE 0.043
- Dark Navy Blue #00022E ΔE 0.046
- Very Dark Blue #000133 ΔE 0.047
- Navy Blue #001146 ΔE 0.048
- Night Blue #040348 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.056
- Rich Navy #001219 ΔE 0.060
Use #0C0B30 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.