#665494
Closest named color: Twilight (#4E518B). oklch(49.2% 0.101 295.4), rgb(102, 84, 148).
Aa
White text reads best on this color (6.44:1).
About this color
#665494 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.101 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.043 away. White text reads best on it, at 6.44:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.26:1 |
| White text | 6.44:1 |
Values
| HEX | #665494 |
| RGB | rgb(102, 84, 148) |
| HSL | hsl(257, 28%, 45%) |
| OKLCH | oklch(49.2% 0.101 295.4) |
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 #665494 | 6.44:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #665494 | 3.26:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #665494 text on white | 6.44:1 | AA | Lc 81.9 | Fine for body text |
| #665494 text on black | 3.26:1 | AA large text | Lc -20.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EA
oklch(88.5% 0.028 295)
-
Step 300
300
#C2BBDE
oklch(80.9% 0.049 294.4)
-
Step 400
400
#A497CD
oklch(70.7% 0.079 295.4)
-
Step 500
500
#8E7DC0
oklch(63.2% 0.1 295)
-
Step 600
600
#7965AC
oklch(55.6% 0.109 295.6)
-
Step 700
700 (this color)
#665494
oklch(49.2% 0.101 295.4)
-
Step 800
800
#534578
oklch(42.8% 0.084 295.3)
-
Step 900
900
#443A60
oklch(37.6% 0.065 295.2)
-
Step 950
950
#282238
oklch(26.9% 0.041 296.1)
#665494 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) | #415F96 | 0.057 |
| Deuteranopia (no green cones) | #445E92 | 0.054 |
| Tritanopia (no blue cones) | #5C606D | 0.082 |
| Achromatopsia (no color) | #5E5E5E | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665494
#665494
oklch(49.2% 0.101 295.4)
- #5F6717
#5F6717
oklch(49.1% 0.101 115.2)
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 #665494, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.043
- Dusk #4E5481 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.052
- Muted Purple #805B87 ΔE 0.056
- Dusty Grape #545775 ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.062
- Dusty Purple #825F87 ΔE 0.065
- Dull Purple #84597E ΔE 0.067
Use #665494 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.