#5A3166
Closest named color: Grape Purple (#5D1451). oklch(38.8% 0.099 318.2), rgb(90, 49, 102).
Aa
White text reads best on this color (10.16:1).
About this color
#5A3166 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.099 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.064 away. White text reads best on it, at 10.16:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.06:1 |
| White text | 10.16:1 |
Values
| HEX | #5A3166 |
| RGB | rgb(90, 49, 102) |
| HSL | hsl(286, 35%, 30%) |
| OKLCH | oklch(38.8% 0.099 318.2) |
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 #5A3166 | 10.16:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #5A3166 | 2.06:1 | Fails | Lc 10.6 | Not readable |
| #5A3166 text on white | 10.16:1 | AAA | Lc 93.3 | Preferred for body text |
| #5A3166 text on black | 2.06:1 | Fails | Lc -9.2 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E5D1EB
oklch(88.5% 0.041 318.4)
-
Step 300
300
#D5B2E0
oklch(80.9% 0.074 318)
-
Step 400
400
#BF88D0
oklch(70.6% 0.118 318)
-
Step 500
500
#AF68C4
oklch(63.1% 0.152 318.2)
-
Step 600
600
#9A4EB0
oklch(55.7% 0.163 318.2)
-
Step 700
700
#833E97
oklch(49.1% 0.152 318.1)
-
Step 800
800
#6B347B
oklch(42.8% 0.126 318.1)
-
Step 900
900 (this color)
#5A3166
oklch(38.8% 0.099 318.2)
-
Step 950
950
#331B3A
oklch(26.9% 0.064 318.3)
#5A3166 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) | #273F68 | 0.089 |
| Deuteranopia (no green cones) | #334365 | 0.080 |
| Tritanopia (no blue cones) | #5A3846 | 0.064 |
| Achromatopsia (no color) | #414141 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3166
#5A3166
oklch(38.8% 0.099 318.2)
- #275017
#275017
oklch(38.8% 0.098 138.1)
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 #5A3166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.072
- Rich Purple #720058 ΔE 0.081
- Velvet #750851 ΔE 0.082
- Purple Brown #673A3F ΔE 0.083
- Rebecca Purple #663399 ΔE 0.087
- Blueberry #464196 ΔE 0.090
- Brownish Purple #76424E ΔE 0.093
Use #5A3166 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.