#661E58
Closest named color: Grape Purple (#5D1451). oklch(37.1% 0.125 336.5), rgb(102, 30, 88).
Aa
White text reads best on this color (11.10:1).
About this color
#661E58 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.125 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.030 away. White text reads best on it, at 11.10:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #661E58 |
| RGB | rgb(102, 30, 88) |
| HSL | hsl(312, 55%, 26%) |
| OKLCH | oklch(37.1% 0.125 336.5) |
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 #661E58 | 11.10:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #661E58 | 1.89:1 | Fails | Lc 9.0 | Not readable |
| #661E58 text on white | 11.10:1 | AAA | Lc 94.9 | Preferred for body text |
| #661E58 text on black | 1.89:1 | Fails | Lc -7.7 | 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
#F6E3F1
oklch(93.5% 0.028 334.9)
-
Step 200
200
#F0CDE6
oklch(88.5% 0.051 336.3)
-
Step 300
300
#E8AAD7
oklch(81% 0.093 336.7)
-
Step 400
400
#DA79C3
oklch(70.7% 0.15 336.6)
-
Step 500
500
#CD52B4
oklch(63.1% 0.191 336.3)
-
Step 600
600
#B82F9F
oklch(55.6% 0.208 336.5)
-
Step 700
700
#9E1F88
oklch(49% 0.193 336.5)
-
Step 800
800
#811D6F
oklch(42.7% 0.161 336.5)
-
Step 900
900 (this color)
#661E58
oklch(37.1% 0.125 336.5)
-
Step 950
950
#3D1435
oklch(27% 0.08 335.8)
#661E58 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) | #1F355A | 0.135 |
| Deuteranopia (no green cones) | #374056 | 0.117 |
| Tritanopia (no blue cones) | #6B2238 | 0.060 |
| Achromatopsia (no color) | #3C3C3C | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661E58
#661E58
oklch(37.1% 0.125 336.5)
- #004D2C
#004D2C
oklch(37% 0.088 157)
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 #661E58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.030
- Rich Purple #720058 ΔE 0.037
- Velvet #750851 ΔE 0.038
- Merlot #730039 ΔE 0.061
- Red Purple #820747 ΔE 0.066
- Wine #80013F ΔE 0.070
- Plum Purple #4E0550 ΔE 0.072
- Deep Violet #490648 ΔE 0.084
Use #661E58 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.