#662779
Closest named color: Rebecca Purple (#663399). oklch(40.2% 0.142 317.5), rgb(102, 39, 121).
Aa
White text reads best on this color (9.85:1).
About this color
#662779 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.142 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.056 away. White text reads best on it, at 9.85:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #662779 |
| RGB | rgb(102, 39, 121) |
| HSL | hsl(286, 51%, 31%) |
| OKLCH | oklch(40.2% 0.142 317.5) |
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 #662779 | 9.85:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #662779 | 2.13:1 | Fails | Lc 11.8 | Not readable |
| #662779 text on white | 9.85:1 | AAA | Lc 92.2 | Preferred for body text |
| #662779 text on black | 2.13:1 | Fails | Lc -10.2 | 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
#EACEF3
oklch(88.6% 0.058 317.9)
-
Step 300
300
#DDABEE
oklch(80.9% 0.107 317.4)
-
Step 400
400
#CB7AE5
oklch(70.6% 0.171 317.5)
-
Step 500
500
#BD51DD
oklch(63% 0.219 317.7)
-
Step 600
600
#A82CCB
oklch(55.6% 0.237 317.4)
-
Step 700
700
#901BAF
oklch(49.1% 0.22 317.5)
-
Step 800
800
#751B8E
oklch(42.7% 0.183 317.5)
-
Step 900
900 (this color)
#662779
oklch(40.2% 0.142 317.5)
-
Step 950
950
#381442
oklch(27% 0.09 318.3)
#662779 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) | #083F7B | 0.139 |
| Deuteranopia (no green cones) | #2A4577 | 0.118 |
| Tritanopia (no blue cones) | #65364C | 0.091 |
| Achromatopsia (no color) | #434343 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662779
#662779
oklch(40.2% 0.142 317.5)
- #215600
#215600
oklch(40.1% 0.123 137.5)
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 #662779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.056
- Purple #800080 ΔE 0.063
- Rich Purple #720058 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.075
- Velvet #750851 ΔE 0.079
- Dark Magenta #8B008B ΔE 0.084
- Indigo #4B0082 ΔE 0.085
Use #662779 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.