#A378F3
Closest named color: Light Urple (#B36FF6). oklch(66.9% 0.178 297.5), rgb(163, 120, 243).
Aa
Black text reads best on this color (6.53:1).
About this color
#A378F3 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.178 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 0.032 away. Black text reads best on it, at 6.53:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #A378F3 |
| RGB | rgb(163, 120, 243) |
| HSL | hsl(261, 84%, 71%) |
| OKLCH | oklch(66.9% 0.178 297.5) |
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 #A378F3 | 3.21:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #A378F3 | 6.53:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #A378F3 text on white | 3.21:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #A378F3 text on black | 6.53:1 | AA | Lc -42.6 | 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 400.
-
Step 50
50
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DDD1FE
oklch(88.5% 0.063 297.3)
-
Step 300
300
#C8B1FF
oklch(80.8% 0.111 297.4)
-
Step 400
400 (this color)
#A378F3
oklch(66.9% 0.178 297.5)
-
Step 500
500
#9D5EFE
oklch(63.2% 0.227 297.6)
-
Step 600
600
#893AEE
oklch(55.6% 0.249 297.5)
-
Step 700
700
#752ACF
oklch(49.2% 0.23 297.6)
-
Step 800
800
#5F26A7
oklch(42.8% 0.19 297.7)
-
Step 900
900
#4D2684
oklch(37.6% 0.149 297.8)
-
Step 950
950
#2D184E
oklch(27.1% 0.095 297.6)
#A378F3 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) | #4B90F7 | 0.117 |
| Deuteranopia (no green cones) | #558EF0 | 0.109 |
| Tritanopia (no blue cones) | #9190AA | 0.141 |
| Achromatopsia (no color) | #909090 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A378F3
#A378F3
oklch(66.9% 0.178 297.5)
- #8EA000
#8EA000
oklch(66.8% 0.155 117.5)
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 #A378F3, closest first.
No curated palette has a color within ΔE 0.04 of #A378F3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.032
- Periwinkle #8E82FE ΔE 0.039
- Light Purple #BF77F6 ΔE 0.046
- Medium Purple #9370DB ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.049
- Easter Purple #C071FE ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.060
- Lighter Purple #A55AF4 ΔE 0.063
Use #A378F3 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.