#661E6F
Closest named color: Rich Purple (#720058). oklch(38.5% 0.145 323.1), rgb(102, 30, 111).
Aa
White text reads best on this color (10.60:1).
About this color
#661E6F is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.145 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.052 away. White text reads best on it, at 10.60:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.98:1 |
| White text | 10.60:1 |
Values
| HEX | #661E6F |
| RGB | rgb(102, 30, 111) |
| HSL | hsl(293, 57%, 28%) |
| OKLCH | oklch(38.5% 0.145 323.1) |
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 #661E6F | 10.60:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #661E6F | 1.98:1 | Fails | Lc 10.2 | Not readable |
| #661E6F text on white | 10.60:1 | AAA | Lc 93.7 | Preferred for body text |
| #661E6F text on black | 1.98:1 | Fails | Lc -8.8 | 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
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F5E3F6
oklch(93.6% 0.032 324.2)
-
Step 200
200
#EDCCF1
oklch(88.4% 0.061 322.6)
-
Step 300
300
#E3A9E9
oklch(80.9% 0.108 323.3)
-
Step 400
400
#D377DE
oklch(70.7% 0.173 323.2)
-
Step 500
500
#C64CD5
oklch(63.2% 0.222 323.2)
-
Step 600
600
#B122C2
oklch(55.6% 0.241 323.1)
-
Step 700
700
#980DA8
oklch(49.1% 0.225 322.9)
-
Step 800
800
#7B1488
oklch(42.7% 0.186 322.8)
-
Step 900
900 (this color)
#661E6F
oklch(38.5% 0.145 323.1)
-
Step 950
950
#3B1240
oklch(27.1% 0.093 323.2)
#661E6F 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) | #043971 | 0.150 |
| Deuteranopia (no green cones) | #2B416D | 0.126 |
| Tritanopia (no blue cones) | #682C44 | 0.086 |
| Achromatopsia (no color) | #3F3F3F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661E6F
#661E6F
oklch(38.5% 0.145 323.1)
- #005304
#005304
oklch(38.3% 0.128 143)
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 #661E6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.056
- Purple #800080 ΔE 0.062
- Velvet #750851 ΔE 0.062
- Royal Purple #4B006E ΔE 0.077
- Rebecca Purple #663399 ΔE 0.078
- Indigo #4B0082 ΔE 0.083
- Plum Purple #4E0550 ΔE 0.084
Use #661E6F 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.