#5A2166
Closest named color: Grape Purple (#5D1451). oklch(36.4% 0.126 320.3), rgb(90, 33, 102).
Aa
White text reads best on this color (11.38:1).
About this color
#5A2166 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.126 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.041 away. White text reads best on it, at 11.38:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.84:1 |
| White text | 11.38:1 |
Values
| HEX | #5A2166 |
| RGB | rgb(90, 33, 102) |
| HSL | hsl(290, 51%, 26%) |
| OKLCH | oklch(36.4% 0.126 320.3) |
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 #5A2166 | 11.38:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #5A2166 | 1.84:1 | Fails | Lc 8.3 | Not readable |
| #5A2166 text on white | 11.38:1 | AAA | Lc 95.6 | Preferred for body text |
| #5A2166 text on black | 1.84:1 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F5
oklch(93.5% 0.027 320.2)
-
Step 200
200
#E9CEEF
oklch(88.4% 0.053 320.1)
-
Step 300
300
#DCADE7
oklch(80.9% 0.095 319.8)
-
Step 400
400
#CA7FDA
oklch(70.7% 0.151 320.4)
-
Step 500
500
#BB5AD0
oklch(63.1% 0.193 320.2)
-
Step 600
600
#A63ABD
oklch(55.6% 0.21 320.1)
-
Step 700
700
#8E2AA3
oklch(49% 0.195 320)
-
Step 800
800
#742584
oklch(42.7% 0.162 320.4)
-
Step 900
900 (this color)
#5A2166
oklch(36.4% 0.126 320.3)
-
Step 950
950
#37173E
oklch(27% 0.079 320.2)
#5A2166 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) | #0E3668 | 0.124 |
| Deuteranopia (no green cones) | #273C64 | 0.107 |
| Tritanopia (no blue cones) | #5B2D40 | 0.079 |
| Achromatopsia (no color) | #3A3A3A | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2166
#5A2166
oklch(36.4% 0.126 320.3)
- #104C00
#104C00
oklch(36.4% 0.118 140.4)
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 #5A2166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.041
- Rich Purple #720058 ΔE 0.063
- Royal Purple #4B006E ΔE 0.063
- Plum Purple #4E0550 ΔE 0.064
- Velvet #750851 ΔE 0.071
- Indigo #4B0082 ΔE 0.076
- Deep Violet #490648 ΔE 0.078
- Dark Slate Blue #483D8B ΔE 0.089
Use #5A2166 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.