#AD51CE
Closest named color: Medium Orchid (#BA55D3). oklch(60.1% 0.198 316.1), rgb(173, 81, 206).
Aa
Black text reads best on this color (4.84:1).
About this color
#AD51CE is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.198 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.027 away. Black text reads best on it, at 4.84:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #AD51CE |
| RGB | rgb(173, 81, 206) |
| HSL | hsl(284, 56%, 56%) |
| OKLCH | oklch(60.1% 0.198 316.1) |
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 #AD51CE | 4.33:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #AD51CE | 4.84:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #AD51CE text on white | 4.33:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #AD51CE text on black | 4.84:1 | AA | Lc -32.3 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F7
oklch(93.7% 0.027 314.7)
-
Step 200
200
#E7CFF2
oklch(88.5% 0.054 315.3)
-
Step 300
300
#D9AEEB
oklch(80.9% 0.096 315.8)
-
Step 400
400
#C680E1
oklch(70.8% 0.154 316.1)
-
Step 500
500 (this color)
#AD51CE
oklch(60.1% 0.198 316.1)
-
Step 600
600
#A23AC5
oklch(55.6% 0.215 316.2)
-
Step 700
700
#8B2BAA
oklch(49.2% 0.199 316.4)
-
Step 800
800
#71268A
oklch(42.8% 0.165 316.3)
-
Step 900
900
#5B256E
oklch(37.6% 0.129 316.2)
-
Step 950
950
#351741
oklch(27% 0.082 315.3)
#AD51CE 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) | #2B74D2 | 0.185 |
| Deuteranopia (no green cones) | #527CCB | 0.161 |
| Tritanopia (no blue cones) | #AB6788 | 0.129 |
| Achromatopsia (no color) | #797979 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD51CE
#AD51CE
oklch(60.1% 0.198 316.1)
- #489700
#489700
oklch(60.2% 0.179 136.1)
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 #AD51CE, closest first.
No curated palette has a color within ΔE 0.04 of #AD51CE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.027
- Amethyst #9B5FC0 ΔE 0.047
- Pinky Purple #C94CBE ΔE 0.058
- Lighter Purple #A55AF4 ΔE 0.060
- Purpley Pink #C83CB9 ΔE 0.064
- Purply #983FB2 ΔE 0.067
- Dark Orchid #9932CC ΔE 0.069
- Deep Lavender #8D5EB7 ΔE 0.071
Use #AD51CE 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.