#AC78DF
Closest named color: Light Urple (#B36FF6). oklch(66.7% 0.155 305.9), rgb(172, 120, 223).
Aa
Black text reads best on this color (6.50:1).
About this color
#AC78DF is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.155 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 0.043 away. Black text reads best on it, at 6.50:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.50:1 |
| White text | 3.22:1 |
Values
| HEX | #AC78DF |
| RGB | rgb(172, 120, 223) |
| HSL | hsl(270, 62%, 67%) |
| OKLCH | oklch(66.7% 0.155 305.9) |
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 #AC78DF | 3.22:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #AC78DF | 6.50:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #AC78DF text on white | 3.22:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #AC78DF text on black | 6.50:1 | AA | Lc -42.4 | 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
#B38CDD
oklch(70.7% 0.122 305.6)
-
Step 500
500 (this color)
#AC78DF
oklch(66.7% 0.155 305.9)
-
Step 600
600
#8C52C0
oklch(55.5% 0.17 305.9)
-
Step 700
700
#7742A6
oklch(49.1% 0.158 305.8)
-
Step 800
800
#613786
oklch(42.7% 0.13 306.2)
-
Step 900
900
#4F316C
oklch(37.8% 0.101 305.6)
-
Step 950
950
#2E1D3F
oklch(27% 0.064 305.6)
#AC78DF 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) | #5D8DE3 | 0.114 |
| Deuteranopia (no green cones) | #6A90DC | 0.106 |
| Tritanopia (no blue cones) | #A489A1 | 0.114 |
| Achromatopsia (no color) | #8F8F8F | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC78DF
#AC78DF
oklch(66.7% 0.155 305.9)
- #7DA425
#7DA425
oklch(66.7% 0.155 125.8)
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 #AC78DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.043
- Light Purple #BF77F6 ΔE 0.046
- Medium Purple #9370DB ΔE 0.047
- Wisteria #A87DC2 ΔE 0.049
- Easter Purple #C071FE ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.064
- Periwinkle #8E82FE ΔE 0.065
Use #AC78DF 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.