#09051B
Closest named color: Midnight (#03012D). oklch(13.9% 0.048 288.7), rgb(9, 5, 27).
Aa
White text reads best on this color (20.01:1).
About this color
#09051B is a very dark, muted purple. In OKLCH its lightness is 14%, its chroma 0.048 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.045 away. White text reads best on it, at 20.01:1.
| Hue family | Purples |
| Lightness | very dark (14%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.04:1 |
| White text | 20.01:1 |
Values
| HEX | #09051B |
| RGB | rgb(9, 5, 27) |
| HSL | hsl(251, 69%, 6%) |
| OKLCH | oklch(13.9% 0.048 288.7) |
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 #09051B | 20.01:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #09051B | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #09051B text on white | 20.01:1 | AAA | Lc 105.8 | Preferred for body text |
| #09051B text on black | 1.04:1 | 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
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#BFBBE4
oklch(80.9% 0.057 289.5)
-
Step 400
400
#9E98D6
oklch(70.8% 0.09 288.3)
-
Step 500
500
#877DCB
oklch(63.1% 0.116 288.5)
-
Step 600
600
#7265B7
oklch(55.6% 0.124 289)
-
Step 700
700
#5F539E
oklch(49% 0.117 288.7)
-
Step 800
800
#4E4580
oklch(42.8% 0.096 288.7)
-
Step 900
900
#403A67
oklch(37.6% 0.076 288.3)
-
Step 950
950 (this color)
#09051B
oklch(13.9% 0.048 288.7)
#09051B 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) | #00091C | 0.027 |
| Deuteranopia (no green cones) | #00081B | 0.027 |
| Tritanopia (no blue cones) | #04090E | 0.039 |
| Achromatopsia (no color) | #080808 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09051B
#09051B
oklch(13.9% 0.048 288.7)
- #0A0A00
#0A0A00
oklch(14% 0.031 109.8)
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 #09051B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.045
- Dark Navy Blue #00022E ΔE 0.051
- Almost Black #070D0D ΔE 0.051
- Rich Navy #001219 ΔE 0.054
- Very Dark Blue #000133 ΔE 0.059
- Dark Navy #000435 ΔE 0.059
- Very Dark Brown #1D0200 ΔE 0.082
- Rich Black #0D1B2A ΔE 0.083
Use #09051B 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.