#664459
Closest named color: Brownish Purple (#76424E). oklch(43.2% 0.056 342.1), rgb(102, 68, 89).
Aa
White text reads best on this color (8.28:1).
About this color
#664459 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.056 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.034 away. White text reads best on it, at 8.28:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #664459 |
| RGB | rgb(102, 68, 89) |
| HSL | hsl(323, 20%, 33%) |
| OKLCH | oklch(43.2% 0.056 342.1) |
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 #664459 | 8.28:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #664459 | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #664459 text on white | 8.28:1 | AAA | Lc 88.5 | Fine for body text |
| #664459 text on black | 2.53:1 | Fails | Lc -13.7 | 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 800.
-
Step 50
50
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E2D5DC
oklch(88.5% 0.017 343.7)
-
Step 300
300
#D0B9C6
oklch(80.9% 0.031 342.8)
-
Step 400
400
#B894AA
oklch(70.6% 0.052 341.3)
-
Step 500
500
#A67A95
oklch(63.2% 0.066 341.8)
-
Step 600
600
#91627F
oklch(55.5% 0.073 342.2)
-
Step 700
700
#7B516B
oklch(49% 0.067 342.2)
-
Step 800
800 (this color)
#664459
oklch(43.2% 0.056 342.1)
-
Step 900
900
#523848
oklch(37.6% 0.044 342)
-
Step 950
950
#30212A
oklch(27% 0.028 342.4)
#664459 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) | #464B5A | 0.057 |
| Deuteranopia (no green cones) | #4E5058 | 0.052 |
| Tritanopia (no blue cones) | #6A444B | 0.024 |
| Achromatopsia (no color) | #4E4E4E | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #664459
#664459
oklch(43.2% 0.056 342.1)
- #325A47
#325A47
oklch(43.2% 0.056 162.2)
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 #664459, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.034
- Purple Brown #673A3F ΔE 0.043
- Dusty Grape #545775 ΔE 0.064
- Dark Mauve #874C62 ΔE 0.069
- Dusk #4E5481 ΔE 0.076
- YInMn Blue #415A77 ΔE 0.084
- Charcoal Grey #3C4142 ΔE 0.086
- Twilight #4E518B ΔE 0.088
Use #664459 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.