#0A091F
Closest named color: Rich Navy (#001219). oklch(15.7% 0.045 281.9), rgb(10, 9, 31).
Aa
White text reads best on this color (19.59:1).
About this color
#0A091F is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.045 and its hue 282°. 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 19.59:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.07:1 |
| White text | 19.59:1 |
Values
| HEX | #0A091F |
| RGB | rgb(10, 9, 31) |
| HSL | hsl(243, 55%, 8%) |
| OKLCH | oklch(15.7% 0.045 281.9) |
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 #0A091F | 19.59:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #0A091F | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #0A091F text on white | 19.59:1 | AAA | Lc 105.7 | Preferred for body text |
| #0A091F 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300
#BABDE3
oklch(80.9% 0.054 281.6)
-
Step 400
400
#989AD5
oklch(70.7% 0.086 282.5)
-
Step 500
500
#7F80CA
oklch(63% 0.11 282.2)
-
Step 600
600
#6969B7
oklch(55.7% 0.119 281.8)
-
Step 700
700
#58579D
oklch(49.1% 0.11 282.2)
-
Step 800
800
#484780
oklch(42.7% 0.093 282.5)
-
Step 900
900
#3C3C66
oklch(37.7% 0.071 282.4)
-
Step 950
950 (this color)
#0A091F
oklch(15.7% 0.045 281.9)
#0A091F 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) | #020D20 | 0.020 |
| Deuteranopia (no green cones) | #010B1F | 0.021 |
| Tritanopia (no blue cones) | #040E12 | 0.039 |
| Achromatopsia (no color) | #0C0C0C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A091F
#0A091F
oklch(15.7% 0.045 281.9)
- #0F0D00
#0F0D00
oklch(15.7% 0.033 103.8)
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 #0A091F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.042
- Almost Black #070D0D ΔE 0.046
- Midnight #03012D ΔE 0.047
- Dark Navy Blue #00022E ΔE 0.050
- Dark Navy #000435 ΔE 0.054
- Very Dark Blue #000133 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.065
- Navy Blue #001146 ΔE 0.082
Use #0A091F 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.