#662D81
Closest named color: Rebecca Purple (#663399). oklch(41.5% 0.142 313.2), rgb(102, 45, 129).
Aa
White text reads best on this color (9.30:1).
About this color
#662D81 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.142 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.041 away. White text reads best on it, at 9.30:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #662D81 |
| RGB | rgb(102, 45, 129) |
| HSL | hsl(281, 48%, 34%) |
| OKLCH | oklch(41.5% 0.142 313.2) |
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 #662D81 | 9.30:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #662D81 | 2.25:1 | Fails | Lc 13.0 | Not readable |
| #662D81 text on white | 9.30:1 | AAA | Lc 90.9 | Preferred for body text |
| #662D81 text on black | 2.25:1 | Fails | Lc -11.4 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F6
oklch(93.6% 0.025 314)
-
Step 200
200
#E4D1EF
oklch(88.5% 0.045 313.3)
-
Step 300
300
#D4B1E7
oklch(80.9% 0.083 313.6)
-
Step 400
400
#BE87DB
oklch(70.8% 0.132 313.3)
-
Step 500
500
#AD65D1
oklch(63.1% 0.17 313.3)
-
Step 600
600
#9849BE
oklch(55.6% 0.185 313.1)
-
Step 700
700
#823AA4
oklch(49.2% 0.171 313.2)
-
Step 800
800 (this color)
#662D81
oklch(41.5% 0.142 313.2)
-
Step 900
900
#562C6A
oklch(37.7% 0.11 313.6)
-
Step 950
950
#321B3E
oklch(27% 0.069 313)
#662D81 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) | #094484 | 0.131 |
| Deuteranopia (no green cones) | #28487F | 0.114 |
| Tritanopia (no blue cones) | #633D53 | 0.095 |
| Achromatopsia (no color) | #474747 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662D81
#662D81
oklch(41.5% 0.142 313.2)
- #305800
#305800
oklch(41.4% 0.117 133.1)
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 #662D81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.065
- Purple #800080 ΔE 0.068
- Blueberry #464196 ΔE 0.077
- Dark Magenta #8B008B ΔE 0.084
- Rich Purple #720058 ΔE 0.087
- Indigo #4B0082 ΔE 0.090
- Grape Purple #5D1451 ΔE 0.091
Use #662D81 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.