#661D54
Closest named color: Grape Purple (#5D1451). oklch(36.8% 0.123 339.1), rgb(102, 29, 84).
Aa
White text reads best on this color (11.23:1).
About this color
#661D54 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.123 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.028 away. White text reads best on it, at 11.23:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.86:1 |
| White text | 11.23:1 |
Values
| HEX | #661D54 |
| RGB | rgb(102, 29, 84) |
| HSL | hsl(315, 56%, 26%) |
| OKLCH | oklch(36.8% 0.123 339.1) |
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 #661D54 | 11.23:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #661D54 | 1.86:1 | Fails | Lc 8.8 | Not readable |
| #661D54 text on white | 11.23:1 | AAA | Lc 95.1 | Preferred for body text |
| #661D54 text on black | 1.86:1 | Fails | Lc -7.5 | 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
#F7E3F0
oklch(93.6% 0.028 338.6)
-
Step 200
200
#F1CDE4
oklch(88.5% 0.05 339.6)
-
Step 300
300
#E9AAD4
oklch(81% 0.091 339.4)
-
Step 400
400
#DB79BF
oklch(70.7% 0.148 338.8)
-
Step 500
500
#CF52AE
oklch(63.2% 0.188 339.3)
-
Step 600
600
#BA2F9A
oklch(55.6% 0.205 339)
-
Step 700
700
#A01F83
oklch(49.1% 0.191 339.3)
-
Step 800
800
#821D6B
oklch(42.7% 0.159 339)
-
Step 900
900 (this color)
#661D54
oklch(36.8% 0.123 339.1)
-
Step 950
950
#3E1433
oklch(27.1% 0.079 339.1)
#661D54 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) | #213356 | 0.133 |
| Deuteranopia (no green cones) | #383F52 | 0.116 |
| Tritanopia (no blue cones) | #6C2035 | 0.059 |
| Achromatopsia (no color) | #3B3B3B | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661D54
#661D54
oklch(36.8% 0.123 339.1)
- #004C2E
#004C2E
oklch(36.7% 0.085 158.9)
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 #661D54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.028
- Velvet #750851 ΔE 0.036
- Rich Purple #720058 ΔE 0.038
- Merlot #730039 ΔE 0.055
- Red Purple #820747 ΔE 0.064
- Wine #80013F ΔE 0.066
- Plum Purple #4E0550 ΔE 0.071
- Bordeaux #7B002C ΔE 0.079
Use #661D54 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.