#664359
Closest named color: Brownish Purple (#76424E). oklch(43% 0.058 341.7), rgb(102, 67, 89).
Aa
White text reads best on this color (8.35:1).
About this color
#664359 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.058 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.035 away. White text reads best on it, at 8.35:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #664359 |
| RGB | rgb(102, 67, 89) |
| HSL | hsl(322, 21%, 33%) |
| OKLCH | oklch(43% 0.058 341.7) |
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 #664359 | 8.35:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #664359 | 2.51:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #664359 text on white | 8.35:1 | AAA | Lc 88.7 | Fine for body text |
| #664359 text on black | 2.51:1 | Fails | Lc -13.5 | 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
#EFE7EC
oklch(93.6% 0.011 339.3)
-
Step 200
200
#E2D4DD
oklch(88.4% 0.02 338.8)
-
Step 300
300
#D1B8C7
oklch(80.8% 0.035 341.2)
-
Step 400
400
#B994AA
oklch(70.7% 0.053 342.1)
-
Step 500
500
#A77996
oklch(63.1% 0.07 341.1)
-
Step 600
600
#926280
oklch(55.7% 0.075 341.8)
-
Step 700
700
#7C516C
oklch(49.2% 0.069 341.8)
-
Step 800
800 (this color)
#664359
oklch(43% 0.058 341.7)
-
Step 900
900
#523848
oklch(37.6% 0.044 342)
-
Step 950
950
#30212A
oklch(27% 0.028 342.4)
#664359 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) | #454A5A | 0.059 |
| Deuteranopia (no green cones) | #4D5058 | 0.056 |
| Tritanopia (no blue cones) | #6A434B | 0.024 |
| Achromatopsia (no color) | #4E4E4E | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #664359
#664359
oklch(43% 0.058 341.7)
- #305A46
#305A46
oklch(43.1% 0.058 161.9)
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 #664359, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.035
- Purple Brown #673A3F ΔE 0.042
- Dusty Grape #545775 ΔE 0.066
- Dark Mauve #874C62 ΔE 0.070
- Dusk #4E5481 ΔE 0.078
- YInMn Blue #415A77 ΔE 0.086
- Charcoal Grey #3C4142 ΔE 0.086
- Twilight #4E518B ΔE 0.089
Use #664359 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.