#A665DD
Closest named color: Medium Purple (#9370DB). oklch(63% 0.181 307), rgb(166, 101, 221).
Aa
Black text reads best on this color (5.52:1).
About this color
#A665DD is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.181 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.038 away. Black text reads best on it, at 5.52:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.52:1 |
| White text | 3.79:1 |
Values
| HEX | #A665DD |
| RGB | rgb(166, 101, 221) |
| HSL | hsl(273, 64%, 63%) |
| OKLCH | oklch(63% 0.181 307) |
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 #A665DD | 3.79:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #A665DD | 5.52:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #A665DD text on white | 3.79:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #A665DD text on black | 5.52:1 | AA | Lc -36.5 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D1F3
oklch(88.4% 0.049 306.6)
-
Step 300
300
#D0B2EE
oklch(81% 0.089 307.2)
-
Step 400
400
#B887E5
oklch(70.7% 0.142 307.1)
-
Step 500
500 (this color)
#A665DD
oklch(63% 0.181 307)
-
Step 600
600
#9248CB
oklch(55.6% 0.198 307.1)
-
Step 700
700
#7C39B0
oklch(49.2% 0.183 306.6)
-
Step 800
800
#65308E
oklch(42.7% 0.152 307)
-
Step 900
900
#522C72
oklch(37.7% 0.119 306.6)
-
Step 950
950
#301B42
oklch(27% 0.073 307)
#A665DD 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) | #3D81E1 | 0.146 |
| Deuteranopia (no green cones) | #5383DA | 0.131 |
| Tritanopia (no blue cones) | #9D7B97 | 0.132 |
| Achromatopsia (no color) | #838383 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A665DD
#A665DD
oklch(63% 0.181 307)
- #6E9A00
#6E9A00
oklch(63% 0.163 127.2)
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 #A665DD, closest first.
No curated palette has a color within ΔE 0.04 of #A665DD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.038
- Lighter Purple #A55AF4 ΔE 0.043
- Medium Orchid #BA55D3 ΔE 0.046
- Light Urple #B36FF6 ΔE 0.047
- Amethyst #9B5FC0 ΔE 0.048
- Deep Lilac #966EBD ΔE 0.061
- Purpley #8756E4 ΔE 0.068
- Light Purple #BF77F6 ΔE 0.068
Use #A665DD 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.