#0A051F
Closest named color: Midnight (#03012D). oklch(14.5% 0.054 287.9), rgb(10, 5, 31).
Aa
White text reads best on this color (19.91:1).
About this color
#0A051F is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.054 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.039 away. White text reads best on it, at 19.91:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.05:1 |
| White text | 19.91:1 |
Values
| HEX | #0A051F |
| RGB | rgb(10, 5, 31) |
| HSL | hsl(252, 72%, 7%) |
| OKLCH | oklch(14.5% 0.054 287.9) |
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 #0A051F | 19.91:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #0A051F | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #0A051F text on white | 19.91:1 | AAA | Lc 105.8 | Preferred for body text |
| #0A051F text on black | 1.05:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BEBBE9
oklch(81% 0.064 287.9)
-
Step 400
400
#9D96DE
oklch(70.7% 0.104 287.9)
-
Step 500
500
#867BD4
oklch(63.1% 0.131 287.7)
-
Step 600
600
#7162C1
oklch(55.6% 0.143 288.1)
-
Step 700
700
#5F51A7
oklch(49.2% 0.133 288)
-
Step 800
800
#4D4387
oklch(42.8% 0.109 287.6)
-
Step 900
900
#40396C
oklch(37.7% 0.085 287.9)
-
Step 950
950 (this color)
#0A051F
oklch(14.5% 0.054 287.9)
#0A051F 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) | #000A20 | 0.029 |
| Deuteranopia (no green cones) | #00081E | 0.028 |
| Tritanopia (no blue cones) | #040B10 | 0.046 |
| Achromatopsia (no color) | #090909 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A051F
#0A051F
oklch(14.5% 0.054 287.9)
- #0B0B00
#0B0B00
oklch(14.5% 0.032 109.8)
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 #0A051F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.039
- Dark Navy Blue #00022E ΔE 0.045
- Dark Navy #000435 ΔE 0.053
- Very Dark Blue #000133 ΔE 0.053
- Rich Navy #001219 ΔE 0.056
- Almost Black #070D0D ΔE 0.056
- Rich Black #0D1B2A ΔE 0.080
- Night Blue #040348 ΔE 0.084
Use #0A051F 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.