#2F1D64
Closest named color: Midnight Blue (#191970). oklch(30.1% 0.118 288.9), rgb(47, 29, 100).
Aa
White text reads best on this color (14.18:1).
About this color
#2F1D64 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.118 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.046 away. White text reads best on it, at 14.18:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.48:1 |
| White text | 14.18:1 |
Values
| HEX | #2F1D64 |
| RGB | rgb(47, 29, 100) |
| HSL | hsl(255, 55%, 25%) |
| OKLCH | oklch(30.1% 0.118 288.9) |
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 #2F1D64 | 14.18:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #2F1D64 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #2F1D64 text on white | 14.18:1 | AAA | Lc 100.5 | Preferred for body text |
| #2F1D64 text on black | 1.48:1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D7D3FF
oklch(88.4% 0.06 289.3)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9F8CFF
oklch(70.7% 0.164 289.1)
-
Step 500
500
#8A69FF
oklch(63.1% 0.213 288.9)
-
Step 600
600
#793CFF
oklch(55.6% 0.263 289)
-
Step 700
700
#6A00F0
oklch(49.2% 0.28 289)
-
Step 800
800
#5607C5
oklch(42.7% 0.239 288.9)
-
Step 900
900
#451B9B
oklch(37.6% 0.187 288.7)
-
Step 950
950 (this color)
#2F1D64
oklch(30.1% 0.118 288.9)
#2F1D64 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) | #002C66 | 0.062 |
| Deuteranopia (no green cones) | #002963 | 0.061 |
| Tritanopia (no blue cones) | #1D2F3D | 0.097 |
| Achromatopsia (no color) | #2B2B2B | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F1D64
#2F1D64
oklch(30.1% 0.118 288.9)
- #313000
#313000
oklch(30% 0.065 108.5)
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 #2F1D64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.046
- Dark Indigo #1F0954 ΔE 0.062
- Marine #042E60 ΔE 0.064
- Royal Purple #4B006E ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.075
- Indigo #4B0082 ΔE 0.079
- Marine Blue #01386A ΔE 0.081
- Space Cadet #2B2D42 ΔE 0.081
Use #2F1D64 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.