#37215D
Closest named color: Royal Purple (#4B006E). oklch(31% 0.103 296.9), rgb(55, 33, 93).
Aa
White text reads best on this color (13.65:1).
About this color
#37215D is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.103 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 0.066 away. White text reads best on it, at 13.65:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.53:1 |
| White text | 13.65:1 |
Values
| HEX | #37215D |
| RGB | rgb(55, 33, 93) |
| HSL | hsl(262, 48%, 25%) |
| OKLCH | oklch(31% 0.103 296.9) |
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 #37215D | 13.65:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #37215D | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #37215D text on white | 13.65:1 | AAA | Lc 99.9 | Preferred for body text |
| #37215D text on black | 1.53:1 | 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
#ECE6FF
oklch(93.7% 0.034 296.7)
-
Step 200
200
#DDD1FF
oklch(88.5% 0.064 297)
-
Step 300
300
#C8B2FF
oklch(81% 0.109 297)
-
Step 400
400
#AD85FF
oklch(70.7% 0.175 296.8)
-
Step 500
500
#9B5EFF
oklch(63% 0.228 296.8)
-
Step 600
600
#8B2DF9
oklch(55.6% 0.27 297.1)
-
Step 700
700
#7619D9
oklch(49% 0.251 297)
-
Step 800
800
#601CB0
oklch(42.8% 0.209 296.9)
-
Step 900
900
#4E218B
oklch(37.7% 0.163 297.1)
-
Step 950
950 (this color)
#37215D
oklch(31% 0.103 296.9)
#37215D 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) | #002E5F | 0.073 |
| Deuteranopia (no green cones) | #072D5C | 0.069 |
| Tritanopia (no blue cones) | #2E2E3B | 0.080 |
| Achromatopsia (no color) | #2E2E2E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37215D
#37215D
oklch(31% 0.103 296.9)
- #2E3500
#2E3500
oklch(31.1% 0.072 117.5)
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 #37215D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.068
- Plum Purple #4E0550 ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.069
- Midnight Blue #191970 ΔE 0.069
- Deep Violet #490648 ΔE 0.069
- Marine #042E60 ΔE 0.071
- Eggplant Purple #430541 ΔE 0.074
Use #37215D 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.