#0A0A22
Closest named color: Rich Navy (#001219). oklch(16.2% 0.049 279.4), rgb(10, 10, 34).
Aa
White text reads best on this color (19.45:1).
About this color
#0A0A22 is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.049 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.042 away. White text reads best on it, at 19.45:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.07:1 |
| White text | 19.45:1 |
Values
| HEX | #0A0A22 |
| RGB | rgb(10, 10, 34) |
| HSL | hsl(240, 55%, 9%) |
| OKLCH | oklch(16.2% 0.049 279.4) |
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 #0A0A22 | 19.45:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #0A0A22 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #0A0A22 text on white | 19.45:1 | AAA | Lc 105.6 | Preferred for body text |
| #0A0A22 text on black | 1.07:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D7EF
oklch(88.4% 0.033 280)
-
Step 300
300
#B8BDE6
oklch(80.8% 0.058 279.6)
-
Step 400
400
#949ADA
oklch(70.6% 0.094 279.6)
-
Step 500
500
#7B80D0
oklch(63% 0.12 279.7)
-
Step 600
600
#6569BD
oklch(55.7% 0.129 279.3)
-
Step 700
700
#5457A3
oklch(49.2% 0.12 279.3)
-
Step 800
800
#454784
oklch(42.7% 0.1 279.9)
-
Step 900
900
#393C6A
oklch(37.6% 0.078 279.1)
-
Step 950
950 (this color)
#0A0A22
oklch(16.2% 0.049 279.4)
#0A0A22 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) | #010E23 | 0.021 |
| Deuteranopia (no green cones) | #000C21 | 0.022 |
| Tritanopia (no blue cones) | #020F14 | 0.042 |
| Achromatopsia (no color) | #0D0D0D | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A0A22
#0A0A22
oklch(16.2% 0.049 279.4)
- #110E00
#110E00
oklch(16.2% 0.034 101)
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 #0A0A22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.042
- Midnight #03012D ΔE 0.045
- Dark Navy Blue #00022E ΔE 0.048
- Almost Black #070D0D ΔE 0.050
- Dark Navy #000435 ΔE 0.050
- Very Dark Blue #000133 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.061
- Navy Blue #001146 ΔE 0.075
Use #0A0A22 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.