#AC78EB
Closest named color: Light Urple (#B36FF6). oklch(67.3% 0.17 303), rgb(172, 120, 235).
Aa
Black text reads best on this color (6.64:1).
About this color
#AC78EB is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.170 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.029 away. Black text reads best on it, at 6.64:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.64:1 |
| White text | 3.16:1 |
Values
| HEX | #AC78EB |
| RGB | rgb(172, 120, 235) |
| HSL | hsl(267, 74%, 70%) |
| OKLCH | oklch(67.3% 0.17 303) |
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 #AC78EB | 3.16:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #AC78EB | 6.64:1 | AA | Lc 45.6 | Large or bold text, headings |
| #AC78EB text on white | 3.16:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #AC78EB text on black | 6.64:1 | AA | Lc -43.2 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FB
oklch(93.5% 0.031 304.3)
-
Step 200
200
#E1D0FA
oklch(88.5% 0.06 303.6)
-
Step 300
300
#CEB0F9
oklch(80.9% 0.106 302.9)
-
Step 400
400 (this color)
#AC78EB
oklch(67.3% 0.17 303)
-
Step 500
500
#A55DF3
oklch(63.1% 0.217 302.7)
-
Step 600
600
#913BE1
oklch(55.6% 0.236 302.9)
-
Step 700
700
#7C2AC4
oklch(49.1% 0.22 302.9)
-
Step 800
800
#65269E
oklch(42.7% 0.182 303.2)
-
Step 900
900
#52267E
oklch(37.7% 0.142 303.1)
-
Step 950
950
#30184A
oklch(27.1% 0.09 303)
#AC78EB 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) | #5590EF | 0.122 |
| Deuteranopia (no green cones) | #6391E8 | 0.112 |
| Tritanopia (no blue cones) | #A18DA7 | 0.128 |
| Achromatopsia (no color) | #919191 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC78EB
#AC78EB
oklch(67.3% 0.17 303)
- #84A500
#84A500
oklch(67.3% 0.165 122.8)
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 #AC78EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.029
- Light Purple #BF77F6 ΔE 0.035
- Easter Purple #C071FE ΔE 0.046
- Medium Purple #9370DB ΔE 0.051
- Periwinkle #8E82FE ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.063
- Wisteria #A87DC2 ΔE 0.066
Use #AC78EB 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.