#8173E4
Closest named color: Medium Purple (#9370DB). oklch(62.2% 0.165 286.2), rgb(129, 115, 228).
Aa
Black text reads best on this color (5.50:1).
About this color
#8173E4 is a medium-light, vivid purple. In OKLCH its lightness is 62%, its chroma 0.165 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.031 away. Black text reads best on it, at 5.50:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #8173E4 |
| RGB | rgb(129, 115, 228) |
| HSL | hsl(247, 68%, 67%) |
| OKLCH | oklch(62.2% 0.165 286.2) |
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 #8173E4 | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #8173E4 | 5.50:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #8173E4 text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #8173E4 text on black | 5.50:1 | AA | Lc -36.2 | 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
#F5F5FD
oklch(97.2% 0.011 286.2)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D5F6
oklch(88.4% 0.045 286.8)
-
Step 300
300
#BCB9F3
oklch(80.8% 0.081 286.8)
-
Step 400
400
#9A93ED
oklch(70.6% 0.13 286.1)
-
Step 500
500 (this color)
#8173E4
oklch(62.2% 0.165 286.2)
-
Step 600
600
#6F5CD5
oklch(55.7% 0.179 286.3)
-
Step 700
700
#5D4AB9
oklch(49.1% 0.168 286.3)
-
Step 800
800
#4C3E96
oklch(42.8% 0.139 286.3)
-
Step 900
900
#3F3677
oklch(37.8% 0.107 286.4)
-
Step 950
950
#242046
oklch(27% 0.069 285.6)
#8173E4 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) | #4286E8 | 0.081 |
| Deuteranopia (no green cones) | #407FE1 | 0.079 |
| Tritanopia (no blue cones) | #638BA1 | 0.139 |
| Achromatopsia (no color) | #838383 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8173E4
#8173E4
oklch(62.2% 0.165 286.2)
- #928B00
#928B00
oklch(62.3% 0.133 106.1)
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 #8173E4, closest first.
No curated palette has a color within ΔE 0.04 of #8173E4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.031
- Medium Slate Blue #7B68EE ΔE 0.034
- Cornflower #6A79F7 ΔE 0.042
- Periwinkle #8E82FE ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.059
- Soft Blue #6488EA ΔE 0.060
- Purpley #8756E4 ΔE 0.064
- Deep Lilac #966EBD ΔE 0.066
Use #8173E4 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.