#8570EA
Closest named color: Medium Slate Blue (#7B68EE). oklch(62.4% 0.177 288.1), rgb(133, 112, 234).
Aa
Black text reads best on this color (5.50:1).
About this color
#8570EA is a medium-light, vivid purple. In OKLCH its lightness is 62%, its chroma 0.177 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.027 away. Black text reads best on it, at 5.50:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #8570EA |
| RGB | rgb(133, 112, 234) |
| HSL | hsl(250, 74%, 68%) |
| OKLCH | oklch(62.4% 0.177 288.1) |
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 #8570EA | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #8570EA | 5.50:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #8570EA text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #8570EA 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
#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
#BDB8F6
oklch(80.8% 0.087 288)
-
Step 400
400
#9D91F1
oklch(70.7% 0.138 288.1)
-
Step 500
500 (this color)
#8570EA
oklch(62.4% 0.177 288.1)
-
Step 600
600
#7357DB
oklch(55.6% 0.193 288.3)
-
Step 700
700
#6046BE
oklch(49.1% 0.179 287.9)
-
Step 800
800
#4E3B9A
oklch(42.8% 0.148 287.6)
-
Step 900
900
#41337A
oklch(37.6% 0.116 288.6)
-
Step 950
950
#261F48
oklch(27.1% 0.074 288.3)
#8570EA 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) | #3785EE | 0.094 |
| Deuteranopia (no green cones) | #377FE7 | 0.092 |
| Tritanopia (no blue cones) | #678AA2 | 0.148 |
| Achromatopsia (no color) | #838383 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8570EA
#8570EA
oklch(62.4% 0.177 288.1)
- #908C00
#908C00
oklch(62.3% 0.134 107.7)
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 #8570EA, closest first.
No curated palette has a color within ΔE 0.04 of #8570EA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.027
- Medium Purple #9370DB ΔE 0.032
- Cornflower #6A79F7 ΔE 0.044
- Periwinkle #8E82FE ΔE 0.052
- Purpley #8756E4 ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.061
- Lighter Purple #A55AF4 ΔE 0.068
- Soft Blue #6488EA ΔE 0.069
Use #8570EA 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.