#372664
Closest named color: Prussian Blue (#1D3557). oklch(32.5% 0.105 292.2), rgb(55, 38, 100).
Aa
White text reads best on this color (12.93:1).
About this color
#372664 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.105 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.063 away. White text reads best on it, at 12.93:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.62:1 |
| White text | 12.93:1 |
Values
| HEX | #372664 |
| RGB | rgb(55, 38, 100) |
| HSL | hsl(256, 45%, 27%) |
| OKLCH | oklch(32.5% 0.105 292.2) |
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 #372664 | 12.93:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #372664 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #372664 text on white | 12.93:1 | AAA | Lc 98.9 | Preferred for body text |
| #372664 text on black | 1.62:1 | 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 900.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D4F4
oklch(88.4% 0.044 292.6)
-
Step 300
300
#C1B8F0
oklch(80.9% 0.079 291.9)
-
Step 400
400
#A391E8
oklch(70.7% 0.126 292.4)
-
Step 500
500
#8E73E1
oklch(63.1% 0.161 292.5)
-
Step 600
600
#7959CF
oklch(55.7% 0.175 292.3)
-
Step 700
700
#6648B3
oklch(49.1% 0.162 292.3)
-
Step 800
800
#533C91
oklch(42.7% 0.134 292.2)
-
Step 900
900 (this color)
#372664
oklch(32.5% 0.105 292.2)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#372664 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 | 0.068 |
| Deuteranopia (no green cones) | #053063 | 0.065 |
| Tritanopia (no blue cones) | #2B3441 | 0.084 |
| Achromatopsia (no color) | #313131 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372664
#372664
oklch(32.5% 0.105 292.2)
- #353700
#353700
oklch(32.4% 0.072 112)
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 #372664, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.063
- Marine #042E60 ΔE 0.066
- Midnight Blue #191970 ΔE 0.068
- Royal Purple #4B006E ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.071
- Marine Blue #01386A ΔE 0.072
- Indigo #4B0082 ΔE 0.079
- Plum Purple #4E0550 ΔE 0.079
Use #372664 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.