#321B5F
Closest named color: Midnight Blue (#191970). oklch(29.6% 0.114 293.8), rgb(50, 27, 95).
Aa
White text reads best on this color (14.40:1).
About this color
#321B5F is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.114 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.056 away. White text reads best on it, at 14.40:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.45:1 |
| White text | 14.40:1 |
Values
| HEX | #321B5F |
| RGB | rgb(50, 27, 95) |
| HSL | hsl(260, 56%, 24%) |
| OKLCH | oklch(29.6% 0.114 293.8) |
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 #321B5F | 14.40:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #321B5F | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #321B5F text on white | 14.40:1 | AAA | Lc 100.8 | Preferred for body text |
| #321B5F text on black | 1.45:1 | 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
#DBD2FF
oklch(88.5% 0.062 294.3)
-
Step 300
300
#C4B3FF
oklch(80.8% 0.107 294.1)
-
Step 400
400
#A888FF
oklch(70.7% 0.17 294)
-
Step 500
500
#9563FF
oklch(63.2% 0.221 293.9)
-
Step 600
600
#842FFF
oklch(55.6% 0.274 293.6)
-
Step 700
700
#7300E7
oklch(49.2% 0.272 293.8)
-
Step 800
800
#5E08BD
oklch(42.7% 0.231 294)
-
Step 900
900
#4C1B95
oklch(37.8% 0.18 294)
-
Step 950
950 (this color)
#321B5F
oklch(29.6% 0.114 293.8)
#321B5F 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) | #002A61 | 0.069 |
| Deuteranopia (no green cones) | #00295E | 0.069 |
| Tritanopia (no blue cones) | #252B3A | 0.089 |
| Achromatopsia (no color) | #2A2A2A | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #321B5F
#321B5F
oklch(29.6% 0.114 293.8)
- #2D3000
#2D3000
oklch(29.6% 0.066 113.5)
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 #321B5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.060
- Royal Purple #4B006E ΔE 0.065
- Marine #042E60 ΔE 0.071
- Deep Violet #490648 ΔE 0.073
- Dark Purple #35063E ΔE 0.073
- Plum Purple #4E0550 ΔE 0.073
- Eggplant Purple #430541 ΔE 0.075
Use #321B5F 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.