#AD37C6
Closest named color: Dark Orchid (#9932CC). oklch(56.8% 0.224 320), rgb(173, 55, 198).
Aa
White text reads best on this color (5.07:1).
About this color
#AD37C6 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.224 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.043 away. White text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.224) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #AD37C6 |
| RGB | rgb(173, 55, 198) |
| HSL | hsl(290, 57%, 50%) |
| OKLCH | oklch(56.8% 0.224 320) |
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 #AD37C6 | 5.07:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #AD37C6 | 4.13:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #AD37C6 text on white | 5.07:1 | AA | Lc 74.0 | Content text, not long reading |
| #AD37C6 text on black | 4.13:1 | AA large text | Lc -27.7 | Dividers and decoration only |
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 600.
-
Step 50
50
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EACEF1
oklch(88.5% 0.056 319.5)
-
Step 300
300
#DEACE9
oklch(81% 0.1 320.2)
-
Step 400
400
#CC7CDE
oklch(70.7% 0.161 320.1)
-
Step 500
500
#BE55D5
oklch(63.2% 0.206 320.1)
-
Step 600
600 (this color)
#AD37C6
oklch(56.8% 0.224 320)
-
Step 700
700
#9122A7
oklch(49.1% 0.208 320.2)
-
Step 800
800
#762088
oklch(42.8% 0.173 320)
-
Step 900
900
#5F226D
oklch(37.7% 0.134 319.6)
-
Step 950
950
#381540
oklch(27% 0.086 319.8)
#AD37C6 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) | #0066CA | 0.222 |
| Deuteranopia (no green cones) | #4472C3 | 0.193 |
| Tritanopia (no blue cones) | #AE537C | 0.137 |
| Achromatopsia (no color) | #6E6E6E | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD37C6
#AD37C6
oklch(56.8% 0.224 320)
- #2A8F00
#2A8F00
oklch(56.9% 0.183 140)
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 #AD37C6, closest first.
No curated palette has a color within ΔE 0.04 of #AD37C6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.043
- Purply #983FB2 ΔE 0.050
- Vibrant Purple #AD03DE ΔE 0.056
- Purpley Pink #C83CB9 ΔE 0.061
- Medium Orchid #BA55D3 ΔE 0.061
- Pinky Purple #C94CBE ΔE 0.072
- Dark Violet #9400D3 ΔE 0.078
- Amethyst #9B5FC0 ΔE 0.079
Use #AD37C6 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.