#55216D
Closest named color: Royal Purple (#4B006E). oklch(36.2% 0.131 313.2), rgb(85, 33, 109).
Aa
White text reads best on this color (11.50:1).
About this color
#55216D is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.131 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.053 away. White text reads best on it, at 11.50:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.82:1 |
| White text | 11.50:1 |
Values
| HEX | #55216D |
| RGB | rgb(85, 33, 109) |
| HSL | hsl(281, 54%, 28%) |
| OKLCH | oklch(36.2% 0.131 313.2) |
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 #55216D | 11.50:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #55216D | 1.82:1 | Fails | Lc 8.0 | Not readable |
| #55216D text on white | 11.50:1 | AAA | Lc 95.9 | Preferred for body text |
| #55216D text on black | 1.82:1 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E5F8
oklch(93.7% 0.028 313.4)
-
Step 200
200
#E6CFF3
oklch(88.5% 0.055 313.4)
-
Step 300
300
#D7AEEE
oklch(80.9% 0.098 313.2)
-
Step 400
400
#C380E5
oklch(70.7% 0.158 313.5)
-
Step 500
500
#B35BDE
oklch(63.1% 0.202 313.1)
-
Step 600
600
#9F3BCB
oklch(55.7% 0.218 313.4)
-
Step 700
700
#882BB0
oklch(49.2% 0.204 313.3)
-
Step 800
800
#6E268E
oklch(42.7% 0.168 313.2)
-
Step 900
900 (this color)
#55216D
oklch(36.2% 0.131 313.2)
-
Step 950
950
#341743
oklch(27% 0.084 312.5)
#55216D 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) | #00366F | 0.122 |
| Deuteranopia (no green cones) | #1C3A6B | 0.107 |
| Tritanopia (no blue cones) | #533044 | 0.087 |
| Achromatopsia (no color) | #393939 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55216D
#55216D
oklch(36.2% 0.131 313.2)
- #264800
#264800
oklch(36.1% 0.102 133.2)
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 #55216D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.053
- Grape Purple #5D1451 ΔE 0.054
- Indigo #4B0082 ΔE 0.061
- Plum Purple #4E0550 ΔE 0.067
- Rich Purple #720058 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.080
- Deep Violet #490648 ΔE 0.081
- Velvet #750851 ΔE 0.086
Use #55216D 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.