#66244B
Closest named color: Grape Purple (#5D1451). oklch(37.2% 0.106 347), rgb(102, 36, 75).
Aa
White text reads best on this color (10.94:1).
About this color
#66244B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.106 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.044 away. White text reads best on it, at 10.94:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #66244B |
| RGB | rgb(102, 36, 75) |
| HSL | hsl(325, 48%, 27%) |
| OKLCH | oklch(37.2% 0.106 347) |
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 #66244B | 10.94:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #66244B | 1.91:1 | Fails | Lc 9.2 | Not readable |
| #66244B text on white | 10.94:1 | AAA | Lc 94.7 | Preferred for body text |
| #66244B text on black | 1.91:1 | Fails | Lc -7.9 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F6E4ED
oklch(93.6% 0.023 345.8)
-
Step 200
200
#F0CEDF
oklch(88.5% 0.044 346.4)
-
Step 300
300
#E8ACCB
oklch(80.9% 0.08 346.7)
-
Step 400
400
#D97EB0
oklch(70.6% 0.127 346.7)
-
Step 500
500
#CD5A9C
oklch(63.1% 0.163 347.2)
-
Step 600
600
#B83C87
oklch(55.7% 0.177 347.1)
-
Step 700
700
#9E2D72
oklch(49.1% 0.164 347.3)
-
Step 800
800
#80275D
oklch(42.7% 0.136 347)
-
Step 900
900 (this color)
#66244B
oklch(37.2% 0.106 347)
-
Step 950
950
#3D172D
oklch(27.1% 0.067 346.7)
#66244B 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) | #2B354C | 0.116 |
| Deuteranopia (no green cones) | #3E4149 | 0.104 |
| Tritanopia (no blue cones) | #6D2234 | 0.042 |
| Achromatopsia (no color) | #3D3D3D | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66244B
#66244B
oklch(37.2% 0.106 347)
- #004D38
#004D38
oklch(37.3% 0.076 167.2)
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 #66244B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.044
- Velvet #750851 ΔE 0.047
- Merlot #730039 ΔE 0.051
- Rich Purple #720058 ΔE 0.056
- Wine #80013F ΔE 0.062
- Red Purple #820747 ΔE 0.062
- Purple Brown #673A3F ΔE 0.065
- Bordeaux #7B002C ΔE 0.068
Use #66244B 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.