#8570EC
Closest named color: Medium Slate Blue (#7B68EE). oklch(62.5% 0.18 287.8), rgb(133, 112, 236).
Aa
Black text reads best on this color (5.52:1).
About this color
#8570EC is a medium-light, vivid purple. In OKLCH its lightness is 62%, its chroma 0.180 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.026 away. Black text reads best on it, at 5.52:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #8570EC |
| RGB | rgb(133, 112, 236) |
| HSL | hsl(250, 77%, 68%) |
| OKLCH | oklch(62.5% 0.18 287.8) |
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 #8570EC | 3.80:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #8570EC | 5.52:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #8570EC text on white | 3.80:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #8570EC text on black | 5.52:1 | AA | Lc -36.4 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D7D5F8
oklch(88.6% 0.048 288)
-
Step 300
300
#BDB8F7
oklch(80.9% 0.088 287.9)
-
Step 400
400
#9D91F3
oklch(70.8% 0.141 287.9)
-
Step 500
500 (this color)
#8570EC
oklch(62.5% 0.18 287.8)
-
Step 600
600
#7256DD
oklch(55.5% 0.197 287.8)
-
Step 700
700
#6045BF
oklch(49% 0.182 287.9)
-
Step 800
800
#4E3A9B
oklch(42.7% 0.151 287.7)
-
Step 900
900
#40337B
oklch(37.6% 0.118 287.7)
-
Step 950
950
#251F48
oklch(27% 0.074 287.1)
#8570EC 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) | #3486F0 | 0.096 |
| Deuteranopia (no green cones) | #3480E9 | 0.095 |
| Tritanopia (no blue cones) | #668BA3 | 0.151 |
| Achromatopsia (no color) | #838383 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8570EC
#8570EC
oklch(62.5% 0.18 287.8)
- #908D00
#908D00
oklch(62.6% 0.135 108.2)
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 #8570EC, closest first.
No curated palette has a color within ΔE 0.04 of #8570EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.026
- Medium Purple #9370DB ΔE 0.034
- Cornflower #6A79F7 ΔE 0.043
- Periwinkle #8E82FE ΔE 0.051
- Purpley #8756E4 ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.060
- Lighter Purple #A55AF4 ΔE 0.068
- Soft Blue #6488EA ΔE 0.069
Use #8570EC 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.