#543166
Closest named color: Grape Purple (#5D1451). oklch(38% 0.095 313.1), rgb(84, 49, 102).
Aa
White text reads best on this color (10.45:1).
About this color
#543166 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.095 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.066 away. White text reads best on it, at 10.45:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #543166 |
| RGB | rgb(84, 49, 102) |
| HSL | hsl(280, 35%, 30%) |
| OKLCH | oklch(38% 0.095 313.1) |
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 #543166 | 10.45:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #543166 | 2.00:1 | Fails | Lc 9.9 | Not readable |
| #543166 text on white | 10.45:1 | AAA | Lc 94.0 | Preferred for body text |
| #543166 text on black | 2.00:1 | Fails | Lc -8.5 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E2D2EC
oklch(88.5% 0.039 312.6)
-
Step 300
300
#D1B4E2
oklch(81% 0.071 313)
-
Step 400
400
#BA8BD3
oklch(70.8% 0.114 313.4)
-
Step 500
500
#A86CC8
oklch(63.1% 0.147 312.9)
-
Step 600
600
#9352B4
oklch(55.6% 0.158 313)
-
Step 700
700
#7D429B
oklch(49.1% 0.147 312.8)
-
Step 800
800
#66377E
oklch(42.8% 0.122 312.9)
-
Step 900
900 (this color)
#543166
oklch(38% 0.095 313.1)
-
Step 950
950
#311D3B
oklch(27.1% 0.06 313.7)
#543166 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) | #253E68 | 0.080 |
| Deuteranopia (no green cones) | #2F4065 | 0.072 |
| Tritanopia (no blue cones) | #523946 | 0.066 |
| Achromatopsia (no color) | #3F3F3F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543166
#543166
oklch(38% 0.095 313.1)
- #2D4D0F
#2D4D0F
oklch(38.1% 0.096 133.2)
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 #543166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.068
- Blueberry #464196 ΔE 0.088
- Purple Brown #673A3F ΔE 0.088
- Rich Purple #720058 ΔE 0.089
- Royal Purple #4B006E ΔE 0.090
- Velvet #750851 ΔE 0.091
- Plum Purple #4E0550 ΔE 0.091
Use #543166 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.