#0B091F
Closest named color: Rich Navy (#001219). oklch(15.8% 0.045 284.1), rgb(11, 9, 31).
Aa
White text reads best on this color (19.56:1).
About this color
#0B091F is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.045 and its hue 284°. 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 19.56:1.
| 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 | 19.56:1 |
Values
| HEX | #0B091F |
| RGB | rgb(11, 9, 31) |
| HSL | hsl(245, 55%, 8%) |
| OKLCH | oklch(15.8% 0.045 284.1) |
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 #0B091F | 19.56:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #0B091F | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #0B091F text on white | 19.56:1 | AAA | Lc 105.7 | Preferred for body text |
| #0B091F 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BCBDE3
oklch(81% 0.053 284)
-
Step 400
400
#9A9AD5
oklch(70.8% 0.086 284)
-
Step 500
500
#8280C9
oklch(63.2% 0.109 284.1)
-
Step 600
600
#6C68B6
oklch(55.6% 0.119 284.2)
-
Step 700
700
#5A569D
oklch(49.1% 0.111 284.1)
-
Step 800
800
#4A477F
oklch(42.8% 0.091 284.3)
-
Step 900
900
#3D3C66
oklch(37.7% 0.071 283.5)
-
Step 950
950 (this color)
#0B091F
oklch(15.8% 0.045 284.1)
#0B091F 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 | 0.022 |
| Deuteranopia (no green cones) | #020B1F | 0.020 |
| Tritanopia (no blue cones) | #050E12 | 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°).
- #0B091F
#0B091F
oklch(15.8% 0.045 284.1)
- #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 #0B091F, 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 0.048
- Dark Navy Blue #00022E ΔE 0.052
- Dark Navy #000435 ΔE 0.055
- Very Dark Blue #000133 ΔE 0.059
- Rich Black #0D1B2A ΔE 0.065
- Very Dark Brown #1D0200 ΔE 0.082
Use #0B091F 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.