#8573ED
Closest named color: Medium Slate Blue (#7B68EE). oklch(63.1% 0.177 287), rgb(133, 115, 237).
Aa
Black text reads best on this color (5.67:1).
About this color
#8573ED is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.177 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.032 away. Black text reads best on it, at 5.67:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #8573ED |
| RGB | rgb(133, 115, 237) |
| HSL | hsl(249, 77%, 69%) |
| OKLCH | oklch(63.1% 0.177 287) |
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 #8573ED | 3.70:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #8573ED | 5.67:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #8573ED text on white | 3.70:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #8573ED text on black | 5.67:1 | AA | Lc -37.3 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F8
oklch(88.5% 0.048 286.7)
-
Step 300
300
#BCB9F6
oklch(81% 0.086 286.6)
-
Step 400
400
#9B92F2
oklch(70.7% 0.138 286.6)
-
Step 500
500 (this color)
#8573ED
oklch(63.1% 0.177 287)
-
Step 600
600
#7058DB
oklch(55.5% 0.192 286.8)
-
Step 700
700
#5F47BE
oklch(49.1% 0.178 287.2)
-
Step 800
800
#4D3B9A
oklch(42.7% 0.148 287.1)
-
Step 900
900
#3F347A
oklch(37.6% 0.115 286.7)
-
Step 950
950
#251F48
oklch(27% 0.074 287.1)
#8573ED 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) | #3A88F1 | 0.091 |
| Deuteranopia (no green cones) | #3981EA | 0.089 |
| Tritanopia (no blue cones) | #658DA5 | 0.149 |
| Achromatopsia (no color) | #858585 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8573ED
#8573ED
oklch(63.1% 0.177 287)
- #938E00
#938E00
oklch(63.1% 0.135 107.2)
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 #8573ED, closest first.
No curated palette has a color within ΔE 0.04 of #8573ED.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.032
- Medium Purple #9370DB ΔE 0.034
- Cornflower #6A79F7 ΔE 0.040
- Periwinkle #8E82FE ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.053
- Soft Blue #6488EA ΔE 0.064
- Purpley #8756E4 ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.068
Use #8573ED 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.