#372A60
Closest named color: Prussian Blue (#1D3557). oklch(33% 0.092 291.6), rgb(55, 42, 96).
Aa
White text reads best on this color (12.63:1).
About this color
#372A60 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.092 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 0.053 away. White text reads best on it, at 12.63:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #372A60 |
| RGB | rgb(55, 42, 96) |
| HSL | hsl(254, 39%, 27%) |
| OKLCH | oklch(33% 0.092 291.6) |
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 #372A60 | 12.63:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #372A60 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #372A60 text on white | 12.63:1 | AAA | Lc 98.5 | Preferred for body text |
| #372A60 text on black | 1.66:1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#D9D5F1
oklch(88.5% 0.038 292.2)
-
Step 300
300
#C1B9EA
oklch(80.9% 0.069 292.3)
-
Step 400
400
#A294E0
oklch(70.8% 0.11 291.8)
-
Step 500
500
#8C77D7
oklch(63.1% 0.141 291.9)
-
Step 600
600
#775EC5
oklch(55.6% 0.154 291.8)
-
Step 700
700
#644DAA
oklch(49.1% 0.143 291.6)
-
Step 800
800
#51408A
oklch(42.8% 0.118 291.1)
-
Step 900
900 (this color)
#372A60
oklch(33% 0.092 291.6)
-
Step 950
950
#272040
oklch(26.9% 0.058 292.1)
#372A60 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) | #123462 | 0.054 |
| Deuteranopia (no green cones) | #15325F | 0.051 |
| Tritanopia (no blue cones) | #2C3540 | 0.075 |
| Achromatopsia (no color) | #333333 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372A60
#372A60
oklch(33% 0.092 291.6)
- #373800
#373800
oklch(32.9% 0.072 110.9)
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 #372A60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.061
- Marine #042E60 ΔE 0.063
- Marine Blue #01386A ΔE 0.066
- Gunmetal #293241 ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.075
- Midnight Blue #191970 ΔE 0.076
- Royal Purple #4B006E ΔE 0.080
Use #372A60 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.