#664261
Closest named color: Brownish Purple (#76424E). oklch(43.2% 0.068 331.7), rgb(102, 66, 97).
Aa
White text reads best on this color (8.34:1).
About this color
#664261 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.068 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.044 away. White text reads best on it, at 8.34:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.51:1 |
| White text | 8.34:1 |
Values
| HEX | #664261 |
| RGB | rgb(102, 66, 97) |
| HSL | hsl(308, 21%, 33%) |
| OKLCH | oklch(43.2% 0.068 331.7) |
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 #664261 | 8.34:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #664261 | 2.51:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #664261 text on white | 8.34:1 | AAA | Lc 88.7 | Fine for body text |
| #664261 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7ED
oklch(93.6% 0.012 334.1)
-
Step 200
200
#E2D4E0
oklch(88.5% 0.022 330.3)
-
Step 300
300
#D1B8CC
oklch(81% 0.039 332.7)
-
Step 400
400
#B992B3
oklch(70.7% 0.065 331.5)
-
Step 500
500
#A777A0
oklch(63.1% 0.082 331.7)
-
Step 600
600
#91608B
oklch(55.6% 0.087 331.1)
-
Step 700
700
#7C4F76
oklch(49.2% 0.082 331.6)
-
Step 800
800 (this color)
#664261
oklch(43.2% 0.068 331.7)
-
Step 900
900
#52374E
oklch(37.7% 0.052 331.9)
-
Step 950
950
#30202E
oklch(26.9% 0.034 330.8)
#664261 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) | #414B62 | 0.065 |
| Deuteranopia (no green cones) | #4A5060 | 0.060 |
| Tritanopia (no blue cones) | #69444D | 0.036 |
| Achromatopsia (no color) | #4E4E4E | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #664261
#664261
oklch(43.2% 0.068 331.7)
- #325B3D
#325B3D
oklch(43.2% 0.068 151.3)
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 #664261, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.044
- Purple Brown #673A3F ΔE 0.054
- Dusty Grape #545775 ΔE 0.064
- Dusk #4E5481 ΔE 0.071
- Dark Mauve #874C62 ΔE 0.071
- Twilight #4E518B ΔE 0.079
- YInMn Blue #415A77 ΔE 0.084
- Light Eggplant #894585 ΔE 0.089
Use #664261 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.