#662478
Closest named color: Rebecca Purple (#663399). oklch(39.7% 0.146 318.3), rgb(102, 36, 120).
Aa
White text reads best on this color (10.05:1).
About this color
#662478 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.146 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.060 away. White text reads best on it, at 10.05:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #662478 |
| RGB | rgb(102, 36, 120) |
| HSL | hsl(287, 54%, 31%) |
| OKLCH | oklch(39.7% 0.146 318.3) |
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 #662478 | 10.05:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #662478 | 2.08:1 | Fails | Lc 11.3 | Not readable |
| #662478 text on white | 10.05:1 | AAA | Lc 92.6 | Preferred for body text |
| #662478 text on black | 2.08:1 | Fails | Lc -9.8 | 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
#FAF3FC
oklch(97.2% 0.014 318.7)
-
Step 100
100
#F3E4F8
oklch(93.7% 0.031 317.7)
-
Step 200
200
#EBCDF4
oklch(88.5% 0.062 318.4)
-
Step 300
300
#DFAAEE
oklch(80.9% 0.109 318.7)
-
Step 400
400
#CD79E6
oklch(70.7% 0.175 318.1)
-
Step 500
500
#BF4FDE
oklch(63.1% 0.223 318.2)
-
Step 600
600
#AB27CB
oklch(55.7% 0.242 318.5)
-
Step 700
700
#9214B0
oklch(49.1% 0.226 318.2)
-
Step 800
800
#77188E
oklch(42.7% 0.186 318.5)
-
Step 900
900 (this color)
#662478
oklch(39.7% 0.146 318.3)
-
Step 950
950
#381343
oklch(26.9% 0.093 317.7)
#662478 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) | #013E7A | 0.145 |
| Deuteranopia (no green cones) | #284476 | 0.123 |
| Tritanopia (no blue cones) | #66344B | 0.092 |
| Achromatopsia (no color) | #424242 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662478
#662478
oklch(39.7% 0.146 318.3)
- #1E5500
#1E5500
oklch(39.7% 0.123 138.2)
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 #662478, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.060
- Purple #800080 ΔE 0.061
- Rich Purple #720058 ΔE 0.068
- Grape Purple #5D1451 ΔE 0.072
- Velvet #750851 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.079
- Indigo #4B0082 ΔE 0.082
- Royal Purple #4B006E ΔE 0.083
Use #662478 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.