#8173CA
Closest named color: Deep Lilac (#966EBD). oklch(60.6% 0.13 289.3), rgb(129, 115, 202).
Aa
Black text reads best on this color (5.23:1).
About this color
#8173CA is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.130 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.038 away. Black text reads best on it, at 5.23:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.23:1 |
| White text | 4.00:1 |
Values
| HEX | #8173CA |
| RGB | rgb(129, 115, 202) |
| HSL | hsl(250, 45%, 62%) |
| OKLCH | oklch(60.6% 0.13 289.3) |
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 #8173CA | 4.00:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #8173CA | 5.23:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #8173CA text on white | 4.00:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #8173CA text on black | 5.23:1 | AA | Lc -34.4 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE8
oklch(80.8% 0.065 289.9)
-
Step 400
400
#9F96DC
oklch(70.7% 0.101 289.4)
-
Step 500
500 (this color)
#8173CA
oklch(60.6% 0.13 289.3)
-
Step 600
600
#7362BF
oklch(55.6% 0.14 289.4)
-
Step 700
700
#6051A5
oklch(49.1% 0.13 288.9)
-
Step 800
800
#4F4286
oklch(42.7% 0.109 289.7)
-
Step 900
900
#41396B
oklch(37.8% 0.084 289.1)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#8173CA 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) | #5681CD | 0.062 |
| Deuteranopia (no green cones) | #567DC8 | 0.060 |
| Tritanopia (no blue cones) | #6E8495 | 0.109 |
| Achromatopsia (no color) | #7F7F7F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8173CA
#8173CA
oklch(60.6% 0.13 289.3)
- #888809
#888809
oklch(60.7% 0.13 109.7)
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 #8173CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.038
- Medium Purple #9370DB ΔE 0.040
- Deep Lavender #8D5EB7 ΔE 0.056
- Amethyst #9B5FC0 ΔE 0.060
- Medium Slate Blue #7B68EE ΔE 0.065
- Soft Purple #A66FB5 ΔE 0.067
- Dark Lilac #9C6DA5 ΔE 0.069
- Dark Periwinkle #665FD1 ΔE 0.071
Use #8173CA 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.