#661564
Closest named color: Rich Purple (#720058). oklch(36.9% 0.146 329.1), rgb(102, 21, 100).
Aa
White text reads best on this color (11.31:1).
About this color
#661564 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.146 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.035 away. White text reads best on it, at 11.31:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.85:1 |
| White text | 11.31:1 |
Values
| HEX | #661564 |
| RGB | rgb(102, 21, 100) |
| HSL | hsl(301, 66%, 24%) |
| OKLCH | oklch(36.9% 0.146 329.1) |
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 #661564 | 11.31:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #661564 | 1.85:1 | Fails | Lc 8.9 | Not readable |
| #661564 text on white | 11.31:1 | AAA | Lc 95.0 | Preferred for body text |
| #661564 text on black | 1.85:1 | Fails | Lc -7.6 | Not readable |
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 900.
-
Step 50
50
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F7E3F4
oklch(93.7% 0.031 330.7)
-
Step 200
200
#F1CBED
oklch(88.5% 0.062 329.5)
-
Step 300
300
#E8A7E3
oklch(80.9% 0.109 329.2)
-
Step 400
400
#DB73D5
oklch(70.7% 0.176 329.4)
-
Step 500
500
#CE46CA
oklch(63.1% 0.225 329.1)
-
Step 600
600
#B916B6
oklch(55.5% 0.244 329.2)
-
Step 700
700
#9F009C
oklch(49.1% 0.225 329.4)
-
Step 800
800
#810B7F
oklch(42.6% 0.188 329.1)
-
Step 900
900 (this color)
#661564
oklch(36.9% 0.146 329.1)
-
Step 950
950
#3D103C
oklch(26.9% 0.093 328.7)
#661564 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) | #073466 | 0.158 |
| Deuteranopia (no green cones) | #2D3E62 | 0.133 |
| Tritanopia (no blue cones) | #6A213C | 0.079 |
| Achromatopsia (no color) | #3A3A3A | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661564
#661564
oklch(36.9% 0.146 329.1)
- #004E1E
#004E1E
oklch(37% 0.104 149.2)
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 #661564, closest first.
No curated palette has a color within ΔE 0.04 of #661564.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.035
- Grape Purple #5D1451 ΔE 0.037
- Velvet #750851 ΔE 0.047
- Plum Purple #4E0550 ΔE 0.068
- Purple #800080 ΔE 0.070
- Royal Purple #4B006E ΔE 0.074
- Merlot #730039 ΔE 0.080
- Red Purple #820747 ΔE 0.081
Use #661564 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.