#0A031B
Closest named color: Midnight (#03012D). oklch(13.4% 0.054 294.4), rgb(10, 3, 27).
Aa
White text reads best on this color (20.15:1).
About this color
#0A031B is a very dark, muted purple. In OKLCH its lightness is 13%, its chroma 0.054 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.045 away. White text reads best on it, at 20.15:1.
| Hue family | Purples |
| Lightness | very dark (13%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Midnight (#03012D) |
| Black text | 1.04:1 |
| White text | 20.15:1 |
Values
| HEX | #0A031B |
| RGB | rgb(10, 3, 27) |
| HSL | hsl(258, 80%, 6%) |
| OKLCH | oklch(13.4% 0.054 294.4) |
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 #0A031B | 20.15:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #0A031B | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #0A031B text on white | 20.15:1 | AAA | Lc 105.8 | Preferred for body text |
| #0A031B 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C2B9E6
oklch(80.8% 0.063 294.1)
-
Step 400
400
#A494DA
oklch(70.7% 0.102 294.1)
-
Step 500
500
#8F78D0
oklch(63.1% 0.131 294.4)
-
Step 600
600
#7A5FBD
oklch(55.6% 0.142 294.6)
-
Step 700
700
#674EA3
oklch(49.1% 0.132 294.6)
-
Step 800
800
#544084
oklch(42.7% 0.11 294.9)
-
Step 900
900
#45376A
oklch(37.7% 0.086 294.6)
-
Step 950
950 (this color)
#0A031B
oklch(13.4% 0.054 294.4)
#0A031B 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) | #00071C | 0.033 |
| Deuteranopia (no green cones) | #00071A | 0.033 |
| Tritanopia (no blue cones) | #06070D | 0.041 |
| Achromatopsia (no color) | #070707 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A031B
#0A031B
oklch(13.4% 0.054 294.4)
- #080900
#080900
oklch(13.4% 0.03 113.5)
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 #0A031B, 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 0.052
- Almost Black #070D0D ΔE 0.059
- Very Dark Blue #000133 ΔE 0.060
- Dark Navy #000435 ΔE 0.062
- Rich Navy #001219 ΔE 0.064
- Very Dark Brown #1D0200 ΔE 0.084
- Rich Black #0D1B2A ΔE 0.092
Use #0A031B 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.