#8581FF
Closest named color: Periwinkle (#8E82FE). oklch(66.7% 0.182 281.7), rgb(133, 129, 255).
Aa
Black text reads best on this color (6.58:1).
About this color
#8581FF is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.182 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.014 away. Black text reads best on it, at 6.58:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.58:1 |
| White text | 3.19:1 |
Values
| HEX | #8581FF |
| RGB | rgb(133, 129, 255) |
| HSL | hsl(242, 100%, 75%) |
| OKLCH | oklch(66.7% 0.182 281.7) |
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 #8581FF | 3.19:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #8581FF | 6.58:1 | AA | Lc 45.2 | Large or bold text, headings |
| #8581FF text on white | 3.19:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #8581FF text on black | 6.58:1 | AA | Lc -42.9 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D3D6FA
oklch(88.5% 0.05 281.6)
-
Step 300
300
#B7BAF9
oklch(80.9% 0.089 282.1)
-
Step 400
400
#9394F6
oklch(70.7% 0.142 281.7)
-
Step 500
500 (this color)
#8581FF
oklch(66.7% 0.182 281.7)
-
Step 600
600
#665AE1
oklch(55.5% 0.198 281.8)
-
Step 700
700
#5549C4
oklch(49.1% 0.184 281.6)
-
Step 800
800
#453D9E
oklch(42.7% 0.152 281.5)
-
Step 900
900
#3A357E
oklch(37.7% 0.12 282.1)
-
Step 950
950
#21204A
oklch(27% 0.076 281.1)
#8581FF 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) | #4695FF | 0.078 |
| Deuteranopia (no green cones) | #3D8CFC | 0.078 |
| Tritanopia (no blue cones) | #599CB4 | 0.156 |
| Achromatopsia (no color) | #909090 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8581FF
#8581FF
oklch(66.7% 0.182 281.7)
- #A69600
#A69600
oklch(66.6% 0.139 101.8)
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 #8581FF, closest first.
No curated palette has a color within ΔE 0.04 of #8581FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.014
- Lavender Blue #8B88F8 ΔE 0.024
- Cornflower #6A79F7 ΔE 0.045
- Perrywinkle #8F8CE7 ΔE 0.052
- Soft Blue #6488EA ΔE 0.056
- Medium Purple #9370DB ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.064
- Medium Slate Blue #7B68EE ΔE 0.065
Use #8581FF 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.