#A178EE
Closest named color: Light Urple (#B36FF6). oklch(66.5% 0.172 297.6), rgb(161, 120, 238).
Aa
Black text reads best on this color (6.43:1).
About this color
#A178EE is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.172 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.037 away. Black text reads best on it, at 6.43:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.43:1 |
| White text | 3.26:1 |
Values
| HEX | #A178EE |
| RGB | rgb(161, 120, 238) |
| HSL | hsl(261, 78%, 70%) |
| OKLCH | oklch(66.5% 0.172 297.6) |
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 #A178EE | 3.26:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #A178EE | 6.43:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #A178EE text on white | 3.26:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #A178EE text on black | 6.43:1 | AA | Lc -42.0 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DCD3F5
oklch(88.5% 0.047 297.5)
-
Step 300
300
#C6B6F1
oklch(81% 0.084 296.9)
-
Step 400
400
#AB8DE9
oklch(70.7% 0.134 297.9)
-
Step 500
500 (this color)
#A178EE
oklch(66.5% 0.172 297.6)
-
Step 600
600
#8252D0
oklch(55.5% 0.187 297.5)
-
Step 700
700
#6E42B4
oklch(49.1% 0.173 297.4)
-
Step 800
800
#5A3792
oklch(42.7% 0.144 297.7)
-
Step 900
900
#493174
oklch(37.7% 0.111 297.3)
-
Step 950
950
#2B1D44
oklch(27% 0.071 298)
#A178EE 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) | #4E8FF2 | 0.112 |
| Deuteranopia (no green cones) | #588DEB | 0.104 |
| Tritanopia (no blue cones) | #908FA8 | 0.136 |
| Achromatopsia (no color) | #8E8E8E | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A178EE
#A178EE
oklch(66.5% 0.172 297.6)
- #8D9F00
#8D9F00
oklch(66.5% 0.154 117.5)
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 #A178EE, closest first.
No curated palette has a color within ΔE 0.04 of #A178EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.037
- Medium Purple #9370DB ΔE 0.040
- Periwinkle #8E82FE ΔE 0.040
- Lavender Blue #8B88F8 ΔE 0.048
- Light Purple #BF77F6 ΔE 0.051
- Perrywinkle #8F8CE7 ΔE 0.056
- Easter Purple #C071FE ΔE 0.058
- Lighter Purple #A55AF4 ΔE 0.065
Use #A178EE 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.