#AA37C7
Closest named color: Dark Orchid (#9932CC). oklch(56.5% 0.223 318.7), rgb(170, 55, 199).
Aa
White text reads best on this color (5.14:1).
About this color
#AA37C7 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.223 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 0.037 away. White text reads best on it, at 5.14:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.223) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 4.08:1 |
| White text | 5.14:1 |
Values
| HEX | #AA37C7 |
| RGB | rgb(170, 55, 199) |
| HSL | hsl(288, 57%, 50%) |
| OKLCH | oklch(56.5% 0.223 318.7) |
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 #AA37C7 | 5.14:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #AA37C7 | 4.08:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #AA37C7 text on white | 5.14:1 | AA | Lc 74.4 | Content text, not long reading |
| #AA37C7 text on black | 4.08:1 | AA large text | Lc -27.3 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F7
oklch(93.6% 0.029 317.2)
-
Step 200
200
#E9CEF1
oklch(88.5% 0.055 318.4)
-
Step 300
300
#DDACEA
oklch(80.9% 0.1 319.1)
-
Step 400
400
#CA7DE0
oklch(70.7% 0.16 318.5)
-
Step 500
500
#BC56D7
oklch(63.2% 0.206 318.7)
-
Step 600
600 (this color)
#AA37C7
oklch(56.5% 0.223 318.7)
-
Step 700
700
#8F24A9
oklch(49.1% 0.207 318.7)
-
Step 800
800
#742189
oklch(42.7% 0.172 318.6)
-
Step 900
900
#5E226E
oklch(37.7% 0.135 318.5)
-
Step 950
950
#371640
oklch(27% 0.084 318.6)
#AA37C7 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) | #0066CB | 0.217 |
| Deuteranopia (no green cones) | #3F71C4 | 0.193 |
| Tritanopia (no blue cones) | #AA547C | 0.140 |
| Achromatopsia (no color) | #6D6D6D | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA37C7
#AA37C7
oklch(56.5% 0.223 318.7)
- #338C00
#338C00
oklch(56.4% 0.177 138.7)
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 #AA37C7, closest first.
No curated palette has a color within ΔE 0.04 of #AA37C7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.037
- Purply #983FB2 ΔE 0.047
- Vibrant Purple #AD03DE ΔE 0.054
- Medium Orchid #BA55D3 ΔE 0.064
- Purpley Pink #C83CB9 ΔE 0.067
- Dark Violet #9400D3 ΔE 0.073
- Pinky Purple #C94CBE ΔE 0.078
- Amethyst #9B5FC0 ΔE 0.078
Use #AA37C7 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.