#37205D
Closest named color: Royal Purple (#4B006E). oklch(30.9% 0.104 297.3), rgb(55, 32, 93).
Aa
White text reads best on this color (13.75:1).
About this color
#37205D is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.104 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.065 away. White text reads best on it, at 13.75:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.52:1 |
| White text | 13.75:1 |
Values
| HEX | #37205D |
| RGB | rgb(55, 32, 93) |
| HSL | hsl(263, 49%, 25%) |
| OKLCH | oklch(30.9% 0.104 297.3) |
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 #37205D | 13.75:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #37205D | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #37205D text on white | 13.75:1 | AAA | Lc 100.0 | Preferred for body text |
| #37205D text on black | 1.52:1 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE5FF
oklch(93.5% 0.036 298)
-
Step 200
200
#DDD1FF
oklch(88.5% 0.064 297)
-
Step 300
300
#C8B2FF
oklch(81% 0.109 297)
-
Step 400
400
#AE85FF
oklch(70.8% 0.175 297.2)
-
Step 500
500
#9C5EFF
oklch(63.1% 0.228 297.1)
-
Step 600
600
#8C29FB
oklch(55.6% 0.275 297.3)
-
Step 700
700
#7714DB
oklch(49.1% 0.256 297.1)
-
Step 800
800
#6119B1
oklch(42.8% 0.212 297.4)
-
Step 900
900
#4E208C
oklch(37.7% 0.165 297)
-
Step 950
950 (this color)
#37205D
oklch(30.9% 0.104 297.3)
#37205D 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) | #002D5F | 0.074 |
| Deuteranopia (no green cones) | #052C5C | 0.071 |
| Tritanopia (no blue cones) | #2E2D3B | 0.080 |
| Achromatopsia (no color) | #2D2D2D | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37205D
#37205D
oklch(30.9% 0.104 297.3)
- #2E3400
#2E3400
oklch(30.9% 0.071 116.6)
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 #37205D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.065
- Plum Purple #4E0550 ΔE 0.067
- Deep Violet #490648 ΔE 0.068
- Midnight Blue #191970 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.071
- Marine #042E60 ΔE 0.072
- Eggplant Purple #430541 ΔE 0.073
Use #37205D 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.