#661D4E
Closest named color: Grape Purple (#5D1451). oklch(36.5% 0.119 343.5), rgb(102, 29, 78).
Aa
White text reads best on this color (11.34:1).
About this color
#661D4E is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.119 and its hue 343°. 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 11.34:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.85:1 |
| White text | 11.34:1 |
Values
| HEX | #661D4E |
| RGB | rgb(102, 29, 78) |
| HSL | hsl(320, 56%, 26%) |
| OKLCH | oklch(36.5% 0.119 343.5) |
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 #661D4E | 11.34:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #661D4E | 1.85:1 | Fails | Lc 8.5 | Not readable |
| #661D4E text on white | 11.34:1 | AAA | Lc 95.4 | Preferred for body text |
| #661D4E text on black | 1.85:1 | Fails | Lc 0.0 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F7E3EE
oklch(93.5% 0.026 343.3)
-
Step 200
200
#F2CDE1
oklch(88.5% 0.049 344.4)
-
Step 300
300
#EAAACF
oklch(80.9% 0.089 343.7)
-
Step 400
400
#DD7AB7
oklch(70.7% 0.142 343.6)
-
Step 500
500
#D153A5
oklch(63.2% 0.182 343.7)
-
Step 600
600
#BC3190
oklch(55.6% 0.198 343.6)
-
Step 700
700
#A1217B
oklch(49% 0.185 343.2)
-
Step 800
800
#831F64
oklch(42.7% 0.153 343.3)
-
Step 900
900 (this color)
#661D4E
oklch(36.5% 0.119 343.5)
-
Step 950
950
#3E1430
oklch(26.9% 0.076 342.7)
#661D4E 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) | #24324F | 0.130 |
| Deuteranopia (no green cones) | #3A3F4C | 0.115 |
| Tritanopia (no blue cones) | #6D1D32 | 0.052 |
| Achromatopsia (no color) | #3A3A3A | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661D4E
#661D4E
oklch(36.5% 0.119 343.5)
- #004B33
#004B33
oklch(36.5% 0.078 163.8)
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 #661D4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.030
- Velvet #750851 ΔE 0.037
- Rich Purple #720058 ΔE 0.042
- Merlot #730039 ΔE 0.048
- Red Purple #820747 ΔE 0.061
- Wine #80013F ΔE 0.061
- Bordeaux #7B002C ΔE 0.071
- Plum Purple #4E0550 ΔE 0.073
Use #661D4E 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.