#321F5C
Closest named color: Midnight Blue (#191970). oklch(30% 0.104 293.5), rgb(50, 31, 92).
Aa
White text reads best on this color (14.13:1).
About this color
#321F5C is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.104 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.060 away. White text reads best on it, at 14.13:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.48:1 |
| White text | 14.13:1 |
Values
| HEX | #321F5C |
| RGB | rgb(50, 31, 92) |
| HSL | hsl(259, 50%, 24%) |
| OKLCH | oklch(30% 0.104 293.5) |
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 #321F5C | 14.13:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #321F5C | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #321F5C text on white | 14.13:1 | AAA | Lc 100.5 | Preferred for body text |
| #321F5C 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#DAD2FF
oklch(88.5% 0.062 293.2)
-
Step 300
300
#C3B4FF
oklch(80.9% 0.105 293.1)
-
Step 400
400
#A788FF
oklch(70.7% 0.17 293.6)
-
Step 500
500
#9463FF
oklch(63.1% 0.221 293.5)
-
Step 600
600
#8430FF
oklch(55.6% 0.273 293.6)
-
Step 700
700
#701CDF
oklch(49.1% 0.255 293.4)
-
Step 800
800
#5B1EB4
oklch(42.7% 0.211 293.5)
-
Step 900
900
#4A238E
oklch(37.8% 0.164 293.6)
-
Step 950
950 (this color)
#321F5C
oklch(30% 0.104 293.5)
#321F5C 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) | #002C5E | 0.067 |
| Deuteranopia (no green cones) | #002A5B | 0.066 |
| Tritanopia (no blue cones) | #272D3A | 0.083 |
| Achromatopsia (no color) | #2B2B2B | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #321F5C
#321F5C
oklch(30% 0.104 293.5)
- #2E3100
#2E3100
oklch(30% 0.067 113.4)
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 #321F5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.060
- Marine #042E60 ΔE 0.066
- Dark Indigo #1F0954 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.069
- Royal Purple #4B006E ΔE 0.071
- Deep Violet #490648 ΔE 0.073
- Dark Purple #35063E ΔE 0.074
Use #321F5C 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.