#AC78DA
Closest named color: Wisteria (#A87DC2). oklch(66.4% 0.149 307.3), rgb(172, 120, 218).
Aa
Black text reads best on this color (6.45:1).
About this color
#AC78DA is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.149 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.041 away. Black text reads best on it, at 6.45:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #AC78DA |
| RGB | rgb(172, 120, 218) |
| HSL | hsl(272, 57%, 66%) |
| OKLCH | oklch(66.4% 0.149 307.3) |
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 #AC78DA | 3.25:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #AC78DA | 6.45:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #AC78DA text on white | 3.25:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #AC78DA text on black | 6.45:1 | AA | Lc -42.1 | 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
#EDE6F5
oklch(93.5% 0.021 306.8)
-
Step 200
200
#E0D3EF
oklch(88.6% 0.04 306.5)
-
Step 300
300
#CDB5E6
oklch(81% 0.073 307)
-
Step 400
400
#B48CD9
oklch(70.6% 0.117 307.5)
-
Step 500
500 (this color)
#AC78DA
oklch(66.4% 0.149 307.3)
-
Step 600
600
#8D54BC
oklch(55.7% 0.162 307.2)
-
Step 700
700
#7843A2
oklch(49.1% 0.152 307.5)
-
Step 800
800
#613883
oklch(42.6% 0.125 307.1)
-
Step 900
900
#4F3169
oklch(37.6% 0.097 307.1)
-
Step 950
950
#2E1D3E
oklch(26.9% 0.063 306.4)
#AC78DA 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) | #608DDE | 0.112 |
| Deuteranopia (no green cones) | #6D8FD7 | 0.103 |
| Tritanopia (no blue cones) | #A5889F | 0.109 |
| Achromatopsia (no color) | #8F8F8F | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC78DA
#AC78DA
oklch(66.4% 0.149 307.3)
- #7AA430
#7AA430
oklch(66.5% 0.15 127.4)
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 #AC78DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.041
- Medium Purple #9370DB ΔE 0.048
- Light Urple #B36FF6 ΔE 0.050
- Light Purple #BF77F6 ΔE 0.052
- Soft Purple #A66FB5 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.062
- Easter Purple #C071FE ΔE 0.066
Use #AC78DA 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.