#372668
Closest named color: Midnight Blue (#191970). oklch(32.8% 0.11 290.9), rgb(55, 38, 104).
Aa
White text reads best on this color (12.80:1).
About this color
#372668 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.110 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.066 away. White text reads best on it, at 12.80:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.63:1 |
| White text | 12.80:1 |
Values
| HEX | #372668 |
| RGB | rgb(55, 38, 104) |
| HSL | hsl(255, 46%, 28%) |
| OKLCH | oklch(32.8% 0.11 290.9) |
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 #372668 | 12.80:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #372668 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #372668 text on white | 12.80:1 | AAA | Lc 98.6 | Preferred for body text |
| #372668 text on black | 1.63:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7F9
oklch(93.5% 0.024 291)
-
Step 200
200
#D8D4F6
oklch(88.4% 0.047 290.8)
-
Step 300
300
#C0B8F3
oklch(81% 0.083 290.6)
-
Step 400
400
#A191ED
oklch(70.8% 0.133 290.6)
-
Step 500
500
#8C72E6
oklch(63.1% 0.169 291.1)
-
Step 600
600
#7757D5
oklch(55.6% 0.185 290.8)
-
Step 700
700
#6546B8
oklch(49.1% 0.172 291.3)
-
Step 800
800
#523B95
oklch(42.8% 0.141 291)
-
Step 900
900 (this color)
#372668
oklch(32.8% 0.11 290.9)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#372668 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) | #00336A | 0.067 |
| Deuteranopia (no green cones) | #003167 | 0.067 |
| Tritanopia (no blue cones) | #293543 | 0.089 |
| Achromatopsia (no color) | #323232 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372668
#372668
oklch(32.8% 0.11 290.9)
- #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 #372668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.066
- Prussian Blue #1D3557 ΔE 0.066
- Marine #042E60 ΔE 0.067
- Royal Purple #4B006E ΔE 0.068
- Marine Blue #01386A ΔE 0.071
- Indigo #4B0082 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.077
- Plum Purple #4E0550 ΔE 0.083
Use #372668 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.