#661F4D
Closest named color: Grape Purple (#5D1451). oklch(36.7% 0.115 344.5), rgb(102, 31, 77).
Aa
White text reads best on this color (11.24:1).
About this color
#661F4D is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.115 and its hue 344°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.034 away. White text reads best on it, at 11.24:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #661F4D |
| RGB | rgb(102, 31, 77) |
| HSL | hsl(321, 53%, 26%) |
| OKLCH | oklch(36.7% 0.115 344.5) |
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 #661F4D | 11.24:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #661F4D | 1.86:1 | Fails | Lc 8.7 | Not readable |
| #661F4D text on white | 11.24:1 | AAA | Lc 95.2 | Preferred for body text |
| #661F4D text on black | 1.86:1 | Fails | Lc -7.4 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F7E4EE
oklch(93.7% 0.024 344.4)
-
Step 200
200
#F1CDE1
oklch(88.5% 0.048 343.6)
-
Step 300
300
#EAABCE
oklch(81% 0.086 344.8)
-
Step 400
400
#DC7BB5
oklch(70.7% 0.138 344.5)
-
Step 500
500
#D055A2
oklch(63.2% 0.177 344.8)
-
Step 600
600
#BB348D
oklch(55.6% 0.192 344.7)
-
Step 700
700
#A02578
oklch(49% 0.178 344.4)
-
Step 800
800
#822162
oklch(42.6% 0.148 344.2)
-
Step 900
900 (this color)
#661F4D
oklch(36.7% 0.115 344.5)
-
Step 950
950
#3E152F
oklch(27% 0.073 344.2)
#661F4D 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) | #26334E | 0.126 |
| Deuteranopia (no green cones) | #3B3F4B | 0.111 |
| Tritanopia (no blue cones) | #6D1E33 | 0.048 |
| Achromatopsia (no color) | #3B3B3B | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661F4D
#661F4D
oklch(36.7% 0.115 344.5)
- #004B34
#004B34
oklch(36.6% 0.077 164.7)
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 #661F4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.034
- Velvet #750851 ΔE 0.039
- Rich Purple #720058 ΔE 0.046
- Merlot #730039 ΔE 0.048
- Red Purple #820747 ΔE 0.061
- Wine #80013F ΔE 0.061
- Bordeaux #7B002C ΔE 0.069
- Burgundy #610023 ΔE 0.074
Use #661F4D 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.