#372564
Closest named color: Prussian Blue (#1D3557). oklch(32.3% 0.106 292.6), rgb(55, 37, 100).
Aa
White text reads best on this color (13.03:1).
About this color
#372564 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.106 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.064 away. White text reads best on it, at 13.03:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.61:1 |
| White text | 13.03:1 |
Values
| HEX | #372564 |
| RGB | rgb(55, 37, 100) |
| HSL | hsl(257, 46%, 27%) |
| OKLCH | oklch(32.3% 0.106 292.6) |
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 #372564 | 13.03:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #372564 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #372564 text on white | 13.03:1 | AAA | Lc 99.0 | Preferred for body text |
| #372564 text on black | 1.61:1 | 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
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#DAD2FF
oklch(88.5% 0.062 293.2)
-
Step 300
300
#C2B4FF
oklch(80.9% 0.105 292.4)
-
Step 400
400
#A589FF
oklch(70.7% 0.169 292.5)
-
Step 500
500
#9264FF
oklch(63% 0.219 292.7)
-
Step 600
600
#8232FF
oklch(55.6% 0.272 292.8)
-
Step 700
700
#6F18E2
oklch(49.1% 0.26 292.6)
-
Step 800
800
#5A1CB7
oklch(42.8% 0.215 292.5)
-
Step 900
900
#492290
oklch(37.7% 0.167 292.7)
-
Step 950
950 (this color)
#372564
oklch(32.3% 0.106 292.6)
#372564 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) | #003266 | 0.069 |
| Deuteranopia (no green cones) | #033063 | 0.067 |
| Tritanopia (no blue cones) | #2B3340 | 0.086 |
| Achromatopsia (no color) | #313131 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372564
#372564
oklch(32.3% 0.106 292.6)
- #343700
#343700
oklch(32.3% 0.072 113.1)
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 #372564, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.064
- Midnight Blue #191970 ΔE 0.067
- Marine #042E60 ΔE 0.067
- Royal Purple #4B006E ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.072
- Marine Blue #01386A ΔE 0.074
- Indigo #4B0082 ΔE 0.078
- Plum Purple #4E0550 ΔE 0.078
Use #372564 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.