#A166E2
Closest named color: Medium Purple (#9370DB). oklch(62.9% 0.184 303.5), rgb(161, 102, 226).
Aa
Black text reads best on this color (5.51:1).
About this color
#A166E2 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.184 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.033 away. Black text reads best on it, at 5.51:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #A166E2 |
| RGB | rgb(161, 102, 226) |
| HSL | hsl(269, 68%, 64%) |
| OKLCH | oklch(62.9% 0.184 303.5) |
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 #A166E2 | 3.80:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #A166E2 | 5.51:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #A166E2 text on white | 3.80:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #A166E2 text on black | 5.51:1 | AA | Lc -36.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#E0D2F5
oklch(88.6% 0.05 303.5)
-
Step 300
300
#CDB3F1
oklch(81% 0.09 303.6)
-
Step 400
400
#B488EA
oklch(70.7% 0.145 303.6)
-
Step 500
500 (this color)
#A166E2
oklch(62.9% 0.184 303.5)
-
Step 600
600
#8D4AD1
oklch(55.7% 0.2 303.3)
-
Step 700
700
#783AB5
oklch(49.2% 0.186 303.3)
-
Step 800
800
#623192
oklch(42.7% 0.154 303.7)
-
Step 900
900
#502D75
oklch(37.9% 0.12 303.6)
-
Step 950
950
#2E1B44
oklch(26.9% 0.076 303.1)
#A166E2 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) | #3781E6 | 0.141 |
| Deuteranopia (no green cones) | #4C83DF | 0.128 |
| Tritanopia (no blue cones) | #957E9A | 0.138 |
| Achromatopsia (no color) | #838383 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A166E2
#A166E2
oklch(62.9% 0.184 303.5)
- #779700
#779700
oklch(62.9% 0.155 123.4)
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 #A166E2, closest first.
No curated palette has a color within ΔE 0.04 of #A166E2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.033
- Lighter Purple #A55AF4 ΔE 0.038
- Light Urple #B36FF6 ΔE 0.047
- Amethyst #9B5FC0 ΔE 0.053
- Medium Orchid #BA55D3 ΔE 0.056
- Purpley #8756E4 ΔE 0.060
- Deep Lilac #966EBD ΔE 0.064
- Medium Slate Blue #7B68EE ΔE 0.065
Use #A166E2 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.