#AF51CB
Closest named color: Medium Orchid (#BA55D3). oklch(60.2% 0.196 317.8), rgb(175, 81, 203).
Aa
Black text reads best on this color (4.86:1).
About this color
#AF51CB is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.196 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.025 away. Black text reads best on it, at 4.86:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #AF51CB |
| RGB | rgb(175, 81, 203) |
| HSL | hsl(286, 54%, 56%) |
| OKLCH | oklch(60.2% 0.196 317.8) |
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 #AF51CB | 4.31:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #AF51CB | 4.86:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #AF51CB text on white | 4.31:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #AF51CB text on black | 4.86:1 | AA | Lc -32.4 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F6
oklch(93.5% 0.028 318.7)
-
Step 200
200
#E8CFF0
oklch(88.5% 0.052 317.9)
-
Step 300
300
#DBADE9
oklch(80.9% 0.096 318.2)
-
Step 400
400
#C77FDE
oklch(70.6% 0.153 317.6)
-
Step 500
500 (this color)
#AF51CB
oklch(60.2% 0.196 317.8)
-
Step 600
600
#A43AC2
oklch(55.6% 0.213 317.8)
-
Step 700
700
#8C2BA7
oklch(49.1% 0.197 317.8)
-
Step 800
800
#722687
oklch(42.7% 0.163 318)
-
Step 900
900
#5C256C
oklch(37.6% 0.127 317.9)
-
Step 950
950
#361740
oklch(27% 0.081 317.2)
#AF51CB 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) | #3073CF | 0.185 |
| Deuteranopia (no green cones) | #567DC8 | 0.161 |
| Tritanopia (no blue cones) | #AE6587 | 0.124 |
| Achromatopsia (no color) | #7A7A7A | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF51CB
#AF51CB
oklch(60.2% 0.196 317.8)
- #3F9800
#3F9800
oklch(60.1% 0.185 137.7)
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 #AF51CB, closest first.
No curated palette has a color within ΔE 0.04 of #AF51CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.025
- Amethyst #9B5FC0 ΔE 0.048
- Pinky Purple #C94CBE ΔE 0.053
- Purpley Pink #C83CB9 ΔE 0.059
- Lighter Purple #A55AF4 ΔE 0.066
- Purply #983FB2 ΔE 0.067
- Deep Lavender #8D5EB7 ΔE 0.072
- Dark Orchid #9932CC ΔE 0.073
Use #AF51CB 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.