#AC78DE
Closest named color: Light Urple (#B36FF6). oklch(66.6% 0.154 306.2), rgb(172, 120, 222).
Aa
Black text reads best on this color (6.49:1).
About this color
#AC78DE is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.154 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.045 away. Black text reads best on it, at 6.49:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.49:1 |
| White text | 3.23:1 |
Values
| HEX | #AC78DE |
| RGB | rgb(172, 120, 222) |
| HSL | hsl(271, 61%, 67%) |
| OKLCH | oklch(66.6% 0.154 306.2) |
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 #AC78DE | 3.23:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #AC78DE | 6.49:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #AC78DE text on white | 3.23:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #AC78DE text on black | 6.49:1 | AA | Lc -42.3 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D3F0
oklch(88.6% 0.042 305.8)
-
Step 300
300
#CDB4E8
oklch(80.8% 0.077 306.6)
-
Step 400
400
#B38CDC
oklch(70.7% 0.121 305.9)
-
Step 500
500 (this color)
#AC78DE
oklch(66.6% 0.154 306.2)
-
Step 600
600
#8C53BF
oklch(55.6% 0.167 306.1)
-
Step 700
700
#7742A5
oklch(49% 0.157 306.1)
-
Step 800
800
#613786
oklch(42.7% 0.13 306.2)
-
Step 900
900
#4F316B
oklch(37.7% 0.1 306.1)
-
Step 950
950
#2E1D3F
oklch(27% 0.064 305.6)
#AC78DE 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) | #5E8DE2 | 0.114 |
| Deuteranopia (no green cones) | #6B8FDB | 0.104 |
| Tritanopia (no blue cones) | #A489A0 | 0.114 |
| Achromatopsia (no color) | #8F8F8F | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC78DE
#AC78DE
oklch(66.6% 0.154 306.2)
- #7CA427
#7CA427
oklch(66.6% 0.154 126.2)
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 #AC78DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.045
- Wisteria #A87DC2 ΔE 0.047
- Medium Purple #9370DB ΔE 0.047
- Light Purple #BF77F6 ΔE 0.048
- Easter Purple #C071FE ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.062
- Deep Lilac #966EBD ΔE 0.064
Use #AC78DE 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.