#9181EE
Closest named color: Lavender Blue (#8B88F8). oklch(66.6% 0.158 288.1), rgb(145, 129, 238).
Aa
Black text reads best on this color (6.57:1).
About this color
#9181EE is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.158 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.021 away. Black text reads best on it, at 6.57:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #9181EE |
| RGB | rgb(145, 129, 238) |
| HSL | hsl(249, 76%, 72%) |
| OKLCH | oklch(66.6% 0.158 288.1) |
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 #9181EE | 3.19:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #9181EE | 6.57:1 | AA | Lc 45.1 | Large or bold text, headings |
| #9181EE text on white | 3.19:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #9181EE text on black | 6.57:1 | AA | Lc -42.8 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F5
oklch(88.5% 0.044 288.3)
-
Step 300
300
#BEB9F0
oklch(80.9% 0.077 288.7)
-
Step 400
400
#9D93E9
oklch(70.6% 0.124 288.1)
-
Step 500
500 (this color)
#9181EE
oklch(66.6% 0.158 288.1)
-
Step 600
600
#725CD0
oklch(55.6% 0.172 288.2)
-
Step 700
700
#604BB4
oklch(49.1% 0.16 288.3)
-
Step 800
800
#4E3E92
oklch(42.7% 0.133 288.2)
-
Step 900
900
#403674
oklch(37.7% 0.102 287.9)
-
Step 950
950
#252044
oklch(26.9% 0.065 287.6)
#9181EE 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) | #5993F2 | 0.076 |
| Deuteranopia (no green cones) | #588DEB | 0.074 |
| Tritanopia (no blue cones) | #7797AC | 0.133 |
| Achromatopsia (no color) | #909090 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9181EE
#9181EE
oklch(66.6% 0.158 288.1)
- #9D9A00
#9D9A00
oklch(66.7% 0.144 108.4)
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 #9181EE, closest first.
No curated palette has a color within ΔE 0.04 of #9181EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.021
- Periwinkle #8E82FE ΔE 0.024
- Perrywinkle #8F8CE7 ΔE 0.031
- Medium Purple #9370DB ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.059
- Soft Blue #6488EA ΔE 0.061
- Cornflower #6A79F7 ΔE 0.062
- Light Urple #B36FF6 ΔE 0.066
Use #9181EE 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.