#661F5C
Closest named color: Grape Purple (#5D1451). oklch(37.4% 0.127 333.9), rgb(102, 31, 92).
Aa
White text reads best on this color (10.96:1).
About this color
#661F5C is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.127 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.033 away. White text reads best on it, at 10.96:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #661F5C |
| RGB | rgb(102, 31, 92) |
| HSL | hsl(308, 53%, 26%) |
| OKLCH | oklch(37.4% 0.127 333.9) |
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 #661F5C | 10.96:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #661F5C | 1.91:1 | Fails | Lc 9.3 | Not readable |
| #661F5C text on white | 10.96:1 | AAA | Lc 94.6 | Preferred for body text |
| #661F5C 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
#F0CDE8
oklch(88.6% 0.053 334)
-
Step 300
300
#E7AADA
oklch(81% 0.095 334.2)
-
Step 400
400
#D879C8
oklch(70.6% 0.153 333.6)
-
Step 500
500
#CB52B9
oklch(63.1% 0.194 333.8)
-
Step 600
600
#B62FA5
oklch(55.6% 0.211 333.7)
-
Step 700
700
#9D1F8D
oklch(49.1% 0.196 334.1)
-
Step 800
800
#7F1D73
oklch(42.6% 0.163 333.6)
-
Step 900
900 (this color)
#661F5C
oklch(37.4% 0.127 333.9)
-
Step 950
950
#3D1436
oklch(27.1% 0.081 334.7)
#661F5C 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) | #1E365E | 0.134 |
| Deuteranopia (no green cones) | #35405A | 0.117 |
| Tritanopia (no blue cones) | #6B253A | 0.066 |
| Achromatopsia (no color) | #3C3C3C | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661F5C
#661F5C
oklch(37.4% 0.127 333.9)
- #004F28
#004F28
oklch(37.5% 0.095 153.7)
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 #661F5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.033
- Rich Purple #720058 ΔE 0.038
- Velvet #750851 ΔE 0.041
- Merlot #730039 ΔE 0.067
- Red Purple #820747 ΔE 0.070
- Plum Purple #4E0550 ΔE 0.074
- Wine #80013F ΔE 0.074
- Purple #800080 ΔE 0.083
Use #661F5C 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.