#664950
Closest named color: Brownish Purple (#76424E). oklch(43.9% 0.041 2.9), rgb(102, 73, 80).
Aa
White text reads best on this color (7.97:1).
About this color
#664950 is a dark, muted red. In OKLCH its lightness is 44%, its chroma 0.041 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.033 away. White text reads best on it, at 7.97:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #664950 |
| RGB | rgb(102, 73, 80) |
| HSL | hsl(346, 17%, 34%) |
| OKLCH | oklch(43.9% 0.041 2.9) |
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 #664950 | 7.97:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #664950 | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #664950 text on white | 7.97:1 | AAA | Lc 87.6 | Fine for body text |
| #664950 text on black | 2.63:1 | Fails | Lc -14.5 | 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
#F7F4F5
oklch(97% 0.003 354.7)
-
Step 100
100
#EEE8E9
oklch(93.6% 0.007 5.6)
-
Step 200
200
#E1D6D8
oklch(88.5% 0.012 4.8)
-
Step 300
300
#CFBBBF
oklch(81% 0.023 4)
-
Step 400
400
#B6979E
oklch(70.7% 0.038 2.9)
-
Step 500
500
#A47E86
oklch(63.2% 0.048 4.5)
-
Step 600
600
#8E6770
oklch(55.6% 0.052 3.6)
-
Step 700
700
#79555E
oklch(49.1% 0.049 2.6)
-
Step 800
800 (this color)
#664950
oklch(43.9% 0.041 2.9)
-
Step 900
900
#503B40
oklch(37.7% 0.031 2.8)
-
Step 950
950
#2F2225
oklch(26.9% 0.021 3.2)
#664950 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) | #4D4E50 | 0.044 |
| Deuteranopia (no green cones) | #54534F | 0.042 |
| Tritanopia (no blue cones) | #6B474B | 0.011 |
| Achromatopsia (no color) | #515151 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #664950
#664950
oklch(43.9% 0.041 2.9)
- #385A54
#385A54
oklch(44% 0.041 182)
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 #664950, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.033
- Purple Brown #673A3F ΔE 0.042
- Dusty Grape #545775 ΔE 0.066
- Dark Mauve #874C62 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.083
- YInMn Blue #415A77 ΔE 0.083
- Milk Chocolate #7F4E1E ΔE 0.084
- Mud Brown #60460F ΔE 0.084
Use #664950 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.