#661E5E
Closest named color: Grape Purple (#5D1451). oklch(37.4% 0.13 332.6), rgb(102, 30, 94).
Aa
White text reads best on this color (10.98:1).
About this color
#661E5E is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.130 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.034 away. White text reads best on it, at 10.98:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.98:1 |
Values
| HEX | #661E5E |
| RGB | rgb(102, 30, 94) |
| HSL | hsl(307, 55%, 26%) |
| OKLCH | oklch(37.4% 0.13 332.6) |
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 #661E5E | 10.98:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #661E5E | 1.91:1 | Fails | Lc 9.3 | Not readable |
| #661E5E text on white | 10.98:1 | AAA | Lc 94.6 | Preferred for body text |
| #661E5E text on black | 1.91:1 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E3F2
oklch(93.5% 0.029 332.8)
-
Step 200
200
#F0CDE9
oklch(88.6% 0.054 332.9)
-
Step 300
300
#E7A9DC
oklch(80.9% 0.098 332.8)
-
Step 400
400
#D879CA
oklch(70.7% 0.155 332.7)
-
Step 500
500
#CB50BD
oklch(63.1% 0.2 332.4)
-
Step 600
600
#B62CA9
oklch(55.5% 0.217 332.3)
-
Step 700
700
#9D1C91
oklch(49.2% 0.202 332.6)
-
Step 800
800
#7F1B75
oklch(42.6% 0.167 332.6)
-
Step 900
900 (this color)
#661E5E
oklch(37.4% 0.13 332.6)
-
Step 950
950
#3D1438
oklch(27.2% 0.082 332.6)
#661E5E 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) | #1B3660 | 0.138 |
| Deuteranopia (no green cones) | #34405C | 0.119 |
| Tritanopia (no blue cones) | #6B253B | 0.068 |
| Achromatopsia (no color) | #3C3C3C | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661E5E
#661E5E
oklch(37.4% 0.13 332.6)
- #004F26
#004F26
oklch(37.5% 0.097 152.6)
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 #661E5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.034
- Rich Purple #720058 ΔE 0.038
- Velvet #750851 ΔE 0.042
- Merlot #730039 ΔE 0.070
- Red Purple #820747 ΔE 0.072
- Plum Purple #4E0550 ΔE 0.073
- Wine #80013F ΔE 0.077
- Purple #800080 ΔE 0.080
Use #661E5E 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.