#8181EC
Closest named color: Lavender Blue (#8B88F8). oklch(65.2% 0.157 281.2), rgb(129, 129, 236).
Aa
Black text reads best on this color (6.28:1).
About this color
#8181EC is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.157 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.028 away. Black text reads best on it, at 6.28:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 6.28:1 |
| White text | 3.34:1 |
Values
| HEX | #8181EC |
| RGB | rgb(129, 129, 236) |
| HSL | hsl(240, 74%, 72%) |
| OKLCH | oklch(65.2% 0.157 281.2) |
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 #8181EC | 3.34:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #8181EC | 6.28:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #8181EC text on white | 3.34:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #8181EC text on black | 6.28:1 | AA | Lc -41.0 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F5
oklch(88.4% 0.043 282.6)
-
Step 300
300
#B7BBF2
oklch(80.8% 0.078 281.3)
-
Step 400
400
#9497EB
oklch(70.8% 0.122 281.2)
-
Step 500
500 (this color)
#8181EC
oklch(65.2% 0.157 281.2)
-
Step 600
600
#6561D3
oklch(55.6% 0.17 280.9)
-
Step 700
700
#554FB7
oklch(49.1% 0.159 281.4)
-
Step 800
800
#454294
oklch(42.8% 0.131 281)
-
Step 900
900
#3A3876
oklch(37.7% 0.103 281.7)
-
Step 950
950
#212145
oklch(26.8% 0.066 281)
#8181EC 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) | #5690F0 | 0.058 |
| Deuteranopia (no green cones) | #4F89EA | 0.059 |
| Tritanopia (no blue cones) | #5D97AB | 0.135 |
| Achromatopsia (no color) | #8C8C8C | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8181EC
#8181EC
oklch(65.2% 0.157 281.2)
- #A29100
#A29100
oklch(65.2% 0.136 101)
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 #8181EC, closest first.
No curated palette has a color within ΔE 0.04 of #8181EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.028
- Periwinkle #8E82FE ΔE 0.033
- Perrywinkle #8F8CE7 ΔE 0.038
- Soft Blue #6488EA ΔE 0.039
- Cornflower #6A79F7 ΔE 0.043
- Medium Purple #9370DB ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.058
- Medium Slate Blue #7B68EE ΔE 0.062
Use #8181EC 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.