#AD37CA
Closest named color: Dark Orchid (#9932CC). oklch(57.1% 0.227 318.8), rgb(173, 55, 202).
Aa
White text reads best on this color (5.02:1).
About this color
#AD37CA is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.227 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.042 away. White text reads best on it, at 5.02:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.227) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #AD37CA |
| RGB | rgb(173, 55, 202) |
| HSL | hsl(288, 58%, 50%) |
| OKLCH | oklch(57.1% 0.227 318.8) |
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 #AD37CA | 5.02:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #AD37CA | 4.17:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #AD37CA text on white | 5.02:1 | AA | Lc 73.7 | Content text, not long reading |
| #AD37CA text on black | 4.17:1 | AA large text | Lc -28.0 | 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
#F3E4F7
oklch(93.6% 0.03 319.1)
-
Step 200
200
#EACEF2
oklch(88.6% 0.057 318.7)
-
Step 300
300
#DDACEB
oklch(81% 0.101 318.6)
-
Step 400
400
#CB7CE1
oklch(70.7% 0.164 318.6)
-
Step 500
500
#BD54D8
oklch(63.1% 0.21 318.9)
-
Step 600
600 (this color)
#AD37CA
oklch(57.1% 0.227 318.8)
-
Step 700
700
#9021AA
oklch(49.1% 0.211 318.9)
-
Step 800
800
#751F8A
oklch(42.7% 0.175 318.8)
-
Step 900
900
#5F216E
oklch(37.7% 0.137 319.2)
-
Step 950
950
#381541
oklch(27.1% 0.087 319)
#AD37CA 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) | #0067CE | 0.221 |
| Deuteranopia (no green cones) | #4073C7 | 0.196 |
| Tritanopia (no blue cones) | #AD557E | 0.142 |
| Achromatopsia (no color) | #6F6F6F | 0.229 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD37CA
#AD37CA
oklch(57.1% 0.227 318.8)
- #338F00
#338F00
oklch(57.2% 0.18 138.9)
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 #AD37CA, closest first.
No curated palette has a color within ΔE 0.04 of #AD37CA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.042
- Vibrant Purple #AD03DE ΔE 0.051
- Purply #983FB2 ΔE 0.054
- Medium Orchid #BA55D3 ΔE 0.060
- Purpley Pink #C83CB9 ΔE 0.063
- Pinky Purple #C94CBE ΔE 0.074
- Dark Violet #9400D3 ΔE 0.076
- Amethyst #9B5FC0 ΔE 0.080
Use #AD37CA 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.