#8F66FF
Closest named color: Medium Slate Blue (#7B68EE). oklch(63% 0.217 291.2), rgb(143, 102, 255).
Aa
Black text reads best on this color (5.51:1).
About this color
#8F66FF is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.217 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.040 away. Black text reads best on it, at 5.51:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.217) |
| Temperature | in between |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #8F66FF |
| RGB | rgb(143, 102, 255) |
| HSL | hsl(256, 100%, 70%) |
| OKLCH | oklch(63% 0.217 291.2) |
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 #8F66FF | 3.80:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #8F66FF | 5.51:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #8F66FF text on white | 3.80:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #8F66FF text on black | 5.51:1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D9D3FE
oklch(88.5% 0.059 291.5)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A38AFF
oklch(70.7% 0.167 291.4)
-
Step 500
500 (this color)
#8F66FF
oklch(63% 0.217 291.2)
-
Step 600
600
#7B46EE
oklch(55.5% 0.235 291.2)
-
Step 700
700
#6935D0
oklch(49.1% 0.22 291.4)
-
Step 800
800
#552EA8
oklch(42.7% 0.182 291.3)
-
Step 900
900
#452C85
oklch(37.7% 0.141 291)
-
Step 950
950
#281B4E
oklch(27% 0.09 290.9)
#8F66FF 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) | #0085FF | 0.132 |
| Deuteranopia (no green cones) | #007FFC | 0.131 |
| Tritanopia (no blue cones) | #6E89A9 | 0.175 |
| Achromatopsia (no color) | #838383 | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8F66FF
#8F66FF
oklch(63% 0.217 291.2)
- #8D9000
#8D9000
oklch(63% 0.139 111.3)
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 #8F66FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.040
- Lighter Purple #A55AF4 ΔE 0.045
- Purpley #8756E4 ΔE 0.053
- Medium Purple #9370DB ΔE 0.061
- Periwinkle #8E82FE ΔE 0.063
- Cornflower #6A79F7 ΔE 0.066
- Light Urple #B36FF6 ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.079
Use #8F66FF 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.