#664650
Closest named color: Brownish Purple (#76424E). oklch(43.3% 0.046 358.8), rgb(102, 70, 80).
Aa
White text reads best on this color (8.21:1).
About this color
#664650 is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.046 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.031 away. White text reads best on it, at 8.21:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #664650 |
| RGB | rgb(102, 70, 80) |
| HSL | hsl(341, 19%, 34%) |
| OKLCH | oklch(43.3% 0.046 358.8) |
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 #664650 | 8.21:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #664650 | 2.55:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #664650 text on white | 8.21:1 | AAA | Lc 88.3 | Fine for body text |
| #664650 text on black | 2.55:1 | Fails | Lc -13.8 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8EA
oklch(93.7% 0.008 357.8)
-
Step 200
200
#E2D5D9
oklch(88.5% 0.015 356.7)
-
Step 300
300
#D0BAC0
oklch(80.9% 0.026 359.3)
-
Step 400
400
#B896A0
oklch(70.7% 0.043 358.7)
-
Step 500
500
#A67C89
oklch(63.1% 0.055 358.5)
-
Step 600
600
#916573
oklch(55.7% 0.06 358.5)
-
Step 700
700
#7B5360
oklch(49% 0.056 358.2)
-
Step 800
800 (this color)
#664650
oklch(43.3% 0.046 358.8)
-
Step 900
900
#523A41
oklch(37.8% 0.036 359.8)
-
Step 950
950
#302226
oklch(27% 0.022 359.9)
#664650 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) | #4A4C50 | 0.050 |
| Deuteranopia (no green cones) | #51514F | 0.047 |
| Tritanopia (no blue cones) | #6B4449 | 0.014 |
| Achromatopsia (no color) | #4F4F4F | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #664650
#664650
oklch(43.3% 0.046 358.8)
- #335951
#335951
oklch(43.3% 0.046 179.1)
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 #664650, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.031
- Purple Brown #673A3F ΔE 0.036
- Dusty Grape #545775 ΔE 0.069
- Dark Mauve #874C62 ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.081
- Dusk #4E5481 ΔE 0.085
- YInMn Blue #415A77 ΔE 0.087
- Mud Brown #60460F ΔE 0.087
Use #664650 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.