#661966
Closest named color: Rich Purple (#720058). oklch(37.4% 0.143 328), rgb(102, 25, 102).
Aa
White text reads best on this color (11.07:1).
About this color
#661966 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.143 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.039 away. White text reads best on it, at 11.07:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #661966 |
| RGB | rgb(102, 25, 102) |
| HSL | hsl(300, 61%, 25%) |
| OKLCH | oklch(37.4% 0.143 328) |
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 #661966 | 11.07:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #661966 | 1.89:1 | Fails | Lc 9.3 | Not readable |
| #661966 text on white | 11.07:1 | AAA | Lc 94.6 | Preferred for body text |
| #661966 text on black | 1.89:1 | Fails | Lc -8.0 | 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
#F6E3F5
oklch(93.6% 0.031 327.4)
-
Step 200
200
#F0CCED
oklch(88.6% 0.059 328.7)
-
Step 300
300
#E7A8E4
oklch(81% 0.107 328.1)
-
Step 400
400
#D875D6
oklch(70.7% 0.172 327.9)
-
Step 500
500
#CB49CB
oklch(63% 0.22 327.8)
-
Step 600
600
#B71EB7
oklch(55.6% 0.239 328.2)
-
Step 700
700
#9D089E
oklch(49.1% 0.222 328)
-
Step 800
800
#7F1180
oklch(42.6% 0.184 327.8)
-
Step 900
900 (this color)
#661966
oklch(37.4% 0.143 328)
-
Step 950
950
#3D113C
oklch(27% 0.092 328.7)
#661966 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) | #0B3568 | 0.153 |
| Deuteranopia (no green cones) | #2E3F64 | 0.128 |
| Tritanopia (no blue cones) | #69253E | 0.079 |
| Achromatopsia (no color) | #3C3C3C | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661966
#661966
oklch(37.4% 0.143 328)
- #004F1B
#004F1B
oklch(37.3% 0.108 147.9)
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 #661966, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.039
- Grape Purple #5D1451 ΔE 0.041
- Velvet #750851 ΔE 0.050
- Purple #800080 ΔE 0.069
- Plum Purple #4E0550 ΔE 0.072
- Royal Purple #4B006E ΔE 0.075
- Red Purple #820747 ΔE 0.082
- Merlot #730039 ΔE 0.082
Use #661966 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.