#372473
Closest named color: Midnight Blue (#191970). oklch(33.4% 0.129 288.5), rgb(55, 36, 115).
Aa
White text reads best on this color (12.63:1).
About this color
#372473 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.129 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.061 away. White text reads best on it, at 12.63:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #372473 |
| RGB | rgb(55, 36, 115) |
| HSL | hsl(254, 52%, 30%) |
| OKLCH | oklch(33.4% 0.129 288.5) |
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 #372473 | 12.63:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #372473 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #372473 text on white | 12.63:1 | AAA | Lc 98.2 | Preferred for body text |
| #372473 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D7D4FB
oklch(88.5% 0.053 288.8)
-
Step 300
300
#BEB7FC
oklch(81% 0.097 288.7)
-
Step 400
400
#9E8EFA
oklch(70.7% 0.155 288.6)
-
Step 500
500
#896DF7
oklch(63.1% 0.198 288.8)
-
Step 600
600
#7450E6
oklch(55.5% 0.215 288.4)
-
Step 700
700
#6240C8
oklch(49.2% 0.199 288.3)
-
Step 800
800
#5036A2
oklch(42.8% 0.165 288.5)
-
Step 900
900 (this color)
#372473
oklch(33.4% 0.129 288.5)
-
Step 950
950
#261D4B
oklch(26.9% 0.082 288.7)
#372473 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) | #003575 | 0.068 |
| Deuteranopia (no green cones) | #003171 | 0.066 |
| Tritanopia (no blue cones) | #223748 | 0.104 |
| Achromatopsia (no color) | #333333 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372473
#372473
oklch(33.4% 0.129 288.5)
- #3A3900
#3A3900
oklch(33.5% 0.072 108.7)
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 #372473, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.061
- Indigo #4B0082 ΔE 0.062
- Royal Purple #4B006E ΔE 0.064
- Marine #042E60 ΔE 0.075
- Marine Blue #01386A ΔE 0.076
- Prussian Blue #1D3557 ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.080
- Royal #0C1793 ΔE 0.088
Use #372473 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.