#372561
Closest named color: Prussian Blue (#1D3557). oklch(32.1% 0.102 293.7), rgb(55, 37, 97).
Aa
White text reads best on this color (13.12:1).
About this color
#372561 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.102 and its hue 294°. 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 13.12:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.59:1 |
| White text | 13.12:1 |
Values
| HEX | #372561 |
| RGB | rgb(55, 37, 97) |
| HSL | hsl(258, 45%, 26%) |
| OKLCH | oklch(32.1% 0.102 293.7) |
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 #372561 | 13.12:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #372561 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #372561 text on white | 13.12:1 | AAA | Lc 99.2 | Preferred for body text |
| #372561 text on black | 1.59:1 | 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
#C4B4FF
oklch(81% 0.106 293.7)
-
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
#8433FC
oklch(55.6% 0.268 293.8)
-
Step 700
700
#7020DC
oklch(49.1% 0.25 293.7)
-
Step 800
800
#5B20B2
oklch(42.7% 0.207 293.8)
-
Step 900
900
#4A248C
oklch(37.7% 0.16 294)
-
Step 950
950 (this color)
#372561
oklch(32.1% 0.102 293.7)
#372561 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) | #033163 | 0.067 |
| Deuteranopia (no green cones) | #092F60 | 0.063 |
| Tritanopia (no blue cones) | #2C323F | 0.081 |
| Achromatopsia (no color) | #303030 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372561
#372561
oklch(32.1% 0.102 293.7)
- #333700
#333700
oklch(32.2% 0.072 114.2)
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 #372561, 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
- Space Cadet #2B2D42 ΔE 0.068
- Midnight Blue #191970 ΔE 0.069
- Royal Purple #4B006E ΔE 0.070
- Marine Blue #01386A ΔE 0.074
- Plum Purple #4E0550 ΔE 0.076
- Deep Violet #490648 ΔE 0.078
Use #372561 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.