#662D71
Closest named color: Rebecca Purple (#663399). oklch(40.5% 0.125 320.9), rgb(102, 45, 113).
Aa
White text reads best on this color (9.63:1).
About this color
#662D71 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.125 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.066 away. White text reads best on it, at 9.63:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #662D71 |
| RGB | rgb(102, 45, 113) |
| HSL | hsl(290, 43%, 31%) |
| OKLCH | oklch(40.5% 0.125 320.9) |
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 #662D71 | 9.63:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #662D71 | 2.17:1 | Fails | Lc 12.1 | Not readable |
| #662D71 text on white | 9.63:1 | AAA | Lc 91.8 | Preferred for body text |
| #662D71 text on black | 2.17:1 | Fails | Lc -10.5 | 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 800.
-
Step 50
50
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E6F3
oklch(93.7% 0.021 321)
-
Step 200
200
#E6D1EA
oklch(88.5% 0.041 320.8)
-
Step 300
300
#D7B2DE
oklch(81% 0.073 320.9)
-
Step 400
400
#C288CD
oklch(70.8% 0.117 321)
-
Step 500
500
#B168C0
oklch(63.1% 0.149 320.6)
-
Step 600
600
#9C4DAC
oklch(55.5% 0.162 320.6)
-
Step 700
700
#863D94
oklch(49.1% 0.152 320.9)
-
Step 800
800 (this color)
#662D71
oklch(40.5% 0.125 320.9)
-
Step 900
900
#582E60
oklch(37.7% 0.096 321)
-
Step 950
950
#341B39
oklch(27% 0.063 320.8)
#662D71 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) | #1F4173 | 0.120 |
| Deuteranopia (no green cones) | #34476F | 0.104 |
| Tritanopia (no blue cones) | #67374A | 0.077 |
| Achromatopsia (no color) | #454545 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662D71
#662D71
oklch(40.5% 0.125 320.9)
- #17580A
#17580A
oklch(40.4% 0.125 141)
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 #662D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.066
- Rich Purple #720058 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.071
- Velvet #750851 ΔE 0.073
- Purple #800080 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.075
- Blueberry #464196 ΔE 0.091
- Dark Magenta #8B008B ΔE 0.093
Use #662D71 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.