#661B4E
Closest named color: Grape Purple (#5D1451). oklch(36.3% 0.122 343.2), rgb(102, 27, 78).
Aa
White text reads best on this color (11.46:1).
About this color
#661B4E is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.122 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.027 away. White text reads best on it, at 11.46:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.83:1 |
| White text | 11.46:1 |
Values
| HEX | #661B4E |
| RGB | rgb(102, 27, 78) |
| HSL | hsl(319, 58%, 25%) |
| OKLCH | oklch(36.3% 0.122 343.2) |
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 #661B4E | 11.46:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #661B4E | 1.83:1 | Fails | Lc 8.4 | Not readable |
| #661B4E text on white | 11.46:1 | AAA | Lc 95.5 | Preferred for body text |
| #661B4E text on black | 1.83:1 | 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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F7E3EE
oklch(93.5% 0.026 343.3)
-
Step 200
200
#F2CCE2
oklch(88.4% 0.051 342.5)
-
Step 300
300
#EBA9D0
oklch(80.9% 0.092 343.1)
-
Step 400
400
#DE79B8
oklch(70.8% 0.146 343.3)
-
Step 500
500
#D251A6
oklch(63.1% 0.187 343.4)
-
Step 600
600
#BD2E91
oklch(55.6% 0.203 343.4)
-
Step 700
700
#A21E7C
oklch(49% 0.189 342.9)
-
Step 800
800
#841D65
oklch(42.7% 0.156 343)
-
Step 900
900 (this color)
#661B4E
oklch(36.3% 0.122 343.2)
-
Step 950
950
#3F1430
oklch(27.1% 0.077 343.6)
#661B4E 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) | #22324F | 0.134 |
| Deuteranopia (no green cones) | #393E4C | 0.117 |
| Tritanopia (no blue cones) | #6D1B32 | 0.052 |
| Achromatopsia (no color) | #393939 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661B4E
#661B4E
oklch(36.3% 0.122 343.2)
- #004A32
#004A32
oklch(36.2% 0.078 163.5)
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 #661B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.027
- Velvet #750851 ΔE 0.035
- Rich Purple #720058 ΔE 0.040
- Merlot #730039 ΔE 0.047
- Red Purple #820747 ΔE 0.061
- Wine #80013F ΔE 0.061
- Plum Purple #4E0550 ΔE 0.071
- Bordeaux #7B002C ΔE 0.071
Use #661B4E 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.