#66275B
Closest named color: Grape Purple (#5D1451). oklch(38.4% 0.113 334.9), rgb(102, 39, 91).
Aa
White text reads best on this color (10.46:1).
About this color
#66275B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.113 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.045 away. White text reads best on it, at 10.46:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #66275B |
| RGB | rgb(102, 39, 91) |
| HSL | hsl(310, 45%, 28%) |
| OKLCH | oklch(38.4% 0.113 334.9) |
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 #66275B | 10.46:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #66275B | 2.00:1 | Fails | Lc 10.2 | Not readable |
| #66275B text on white | 10.46:1 | AAA | Lc 93.7 | Preferred for body text |
| #66275B text on black | 2.00:1 | Fails | Lc -8.8 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F5E4F0
oklch(93.6% 0.024 336.1)
-
Step 200
200
#EECEE6
oklch(88.5% 0.048 334.8)
-
Step 300
300
#E4ACD7
oklch(80.9% 0.086 334.8)
-
Step 400
400
#D47EC2
oklch(70.7% 0.136 335.1)
-
Step 500
500
#C65AB3
oklch(63.1% 0.174 334.7)
-
Step 600
600
#B13B9E
oklch(55.5% 0.189 334.9)
-
Step 700
700
#982C87
oklch(49.1% 0.175 335)
-
Step 800
800
#7C266E
oklch(42.7% 0.146 335)
-
Step 900
900 (this color)
#66275B
oklch(38.4% 0.113 334.9)
-
Step 950
950
#3B1734
oklch(27.1% 0.071 335.3)
#66275B 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) | #27395D | 0.118 |
| Deuteranopia (no green cones) | #3A4359 | 0.105 |
| Tritanopia (no blue cones) | #6B2B3D | 0.057 |
| Achromatopsia (no color) | #3F3F3F | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66275B
#66275B
oklch(38.4% 0.113 334.9)
- #00522C
#00522C
oklch(38.5% 0.095 155)
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 #66275B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.045
- Velvet #750851 ΔE 0.048
- Rich Purple #720058 ΔE 0.051
- Merlot #730039 ΔE 0.070
- Red Purple #820747 ΔE 0.070
- Wine #80013F ΔE 0.075
- Purple Brown #673A3F ΔE 0.078
- Plum Purple #4E0550 ΔE 0.085
Use #66275B 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.