#662777
Closest named color: Rebecca Purple (#663399). oklch(40% 0.14 318.4), rgb(102, 39, 119).
Aa
White text reads best on this color (9.89:1).
About this color
#662777 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.140 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 0.059 away. White text reads best on it, at 9.89:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #662777 |
| RGB | rgb(102, 39, 119) |
| HSL | hsl(287, 51%, 31%) |
| OKLCH | oklch(40% 0.14 318.4) |
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 #662777 | 9.89:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #662777 | 2.12:1 | Fails | Lc 11.6 | Not readable |
| #662777 text on white | 9.89:1 | AAA | Lc 92.3 | Preferred for body text |
| #662777 text on black | 2.12:1 | Fails | Lc -10.1 | 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
#F3E4F7
oklch(93.6% 0.03 319.1)
-
Step 200
200
#EACEF2
oklch(88.6% 0.057 318.7)
-
Step 300
300
#DEABED
oklch(81% 0.106 318.4)
-
Step 400
400
#CC7BE3
oklch(70.8% 0.168 318.5)
-
Step 500
500
#BE52DB
oklch(63.2% 0.216 318.5)
-
Step 600
600
#A92DC8
oklch(55.6% 0.234 318.5)
-
Step 700
700
#911CAD
oklch(49.1% 0.218 318.5)
-
Step 800
800
#761C8C
oklch(42.7% 0.18 318.6)
-
Step 900
900 (this color)
#662777
oklch(40% 0.14 318.4)
-
Step 950
950
#381442
oklch(27% 0.09 318.3)
#662777 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) | #0C3F79 | 0.137 |
| Deuteranopia (no green cones) | #2B4575 | 0.118 |
| Tritanopia (no blue cones) | #66354B | 0.089 |
| Achromatopsia (no color) | #434343 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662777
#662777
oklch(40% 0.14 318.4)
- #1D5600
#1D5600
oklch(39.9% 0.125 138.5)
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 #662777, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.059
- Purple #800080 ΔE 0.064
- Rich Purple #720058 ΔE 0.069
- Grape Purple #5D1451 ΔE 0.072
- Velvet #750851 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.077
- Dark Magenta #8B008B ΔE 0.085
- Indigo #4B0082 ΔE 0.086
Use #662777 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.