#665697
Closest named color: Twilight (#4E518B). oklch(49.8% 0.102 293.7), rgb(102, 86, 151).
Aa
White text reads best on this color (6.28:1).
About this color
#665697 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.102 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.046 away. White text reads best on it, at 6.28:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #665697 |
| RGB | rgb(102, 86, 151) |
| HSL | hsl(255, 27%, 46%) |
| OKLCH | oklch(49.8% 0.102 293.7) |
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 #665697 | 6.28:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #665697 | 3.34:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #665697 text on white | 6.28:1 | AA | Lc 81.2 | Fine for body text |
| #665697 text on black | 3.34:1 | AA large text | Lc -20.7 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C2BBDE
oklch(80.9% 0.049 294.4)
-
Step 400
400
#A397CE
oklch(70.7% 0.08 294.3)
-
Step 500
500
#8C7DC1
oklch(63% 0.102 293.4)
-
Step 600
600
#7765AD
oklch(55.5% 0.11 294)
-
Step 700
700 (this color)
#665697
oklch(49.8% 0.102 293.7)
-
Step 800
800
#524579
oklch(42.8% 0.085 294)
-
Step 900
900
#433A61
oklch(37.6% 0.066 293.6)
-
Step 950
950
#272239
oklch(26.9% 0.042 293.3)
#665697 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) | #426199 | 0.056 |
| Deuteranopia (no green cones) | #445F95 | 0.053 |
| Tritanopia (no blue cones) | #5B626F | 0.084 |
| Achromatopsia (no color) | #606060 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665697
#665697
oklch(49.8% 0.102 293.7)
- #636915
#636915
oklch(50% 0.103 113.7)
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 #665697, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.046
- Dusky Blue #475F94 ΔE 0.050
- Dusk #4E5481 ΔE 0.053
- Muted Purple #805B87 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.062
- Dusty Purple #825F87 ΔE 0.064
- Dusty Grape #545775 ΔE 0.065
- Dull Purple #84597E ΔE 0.068
Use #665697 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.