#661B61
Closest named color: Grape Purple (#5D1451). oklch(37.3% 0.137 330.8), rgb(102, 27, 97).
Aa
White text reads best on this color (11.08:1).
About this color
#661B61 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.137 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.035 away. White text reads best on it, at 11.08:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.89:1 |
| White text | 11.08:1 |
Values
| HEX | #661B61 |
| RGB | rgb(102, 27, 97) |
| HSL | hsl(304, 58%, 25%) |
| OKLCH | oklch(37.3% 0.137 330.8) |
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 #661B61 | 11.08:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #661B61 | 1.89:1 | Fails | Lc 9.2 | Not readable |
| #661B61 text on white | 11.08:1 | AAA | Lc 94.7 | Preferred for body text |
| #661B61 text on black | 1.89:1 | Fails | Lc -7.9 | 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
#F6E3F3
oklch(93.6% 0.029 330.9)
-
Step 200
200
#F0CCEB
oklch(88.5% 0.057 330.7)
-
Step 300
300
#E7A8DF
oklch(80.8% 0.103 330.9)
-
Step 400
400
#D977CF
oklch(70.8% 0.163 331)
-
Step 500
500
#CC4DC3
oklch(63.2% 0.209 330.6)
-
Step 600
600
#B725AF
oklch(55.6% 0.228 330.7)
-
Step 700
700
#9D1396
oklch(49% 0.211 330.7)
-
Step 800
800
#80167A
oklch(42.7% 0.176 330.8)
-
Step 900
900 (this color)
#661B61
oklch(37.3% 0.137 330.8)
-
Step 950
950
#3D123A
oklch(27% 0.088 330.5)
#661B61 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) | #153563 | 0.145 |
| Deuteranopia (no green cones) | #313F5F | 0.124 |
| Tritanopia (no blue cones) | #6A243C | 0.073 |
| Achromatopsia (no color) | #3C3C3C | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661B61
#661B61
oklch(37.3% 0.137 330.8)
- #004F22
#004F22
oklch(37.4% 0.101 150.7)
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 #661B61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.035
- Rich Purple #720058 ΔE 0.036
- Velvet #750851 ΔE 0.044
- Plum Purple #4E0550 ΔE 0.071
- Merlot #730039 ΔE 0.074
- Purple #800080 ΔE 0.075
- Red Purple #820747 ΔE 0.076
- Royal Purple #4B006E ΔE 0.081
Use #661B61 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.