#665641
Closest named color: Milk Chocolate (#7F4E1E). oklch(46.3% 0.038 74.2), rgb(102, 86, 65).
Aa
White text reads best on this color (7.06:1).
About this color
#665641 is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.038 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Milk Chocolate (#7F4E1E), ΔE 0.054 away. White text reads best on it, at 7.06:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Milk Chocolate (#7F4E1E) |
| Black text | 2.97:1 |
| White text | 7.06:1 |
Values
| HEX | #665641 |
| RGB | rgb(102, 86, 65) |
| HSL | hsl(34, 22%, 33%) |
| OKLCH | oklch(46.3% 0.038 74.2) |
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 #665641 | 7.06:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #665641 | 2.97:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #665641 text on white | 7.06:1 | AAA | Lc 84.5 | Fine for body text |
| #665641 text on black | 2.97:1 | Fails | Lc -17.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DDD8D2
oklch(88.5% 0.01 72.7)
-
Step 300
300
#C8BFB4
oklch(80.9% 0.018 73)
-
Step 400
400
#AC9E8D
oklch(70.7% 0.029 72.7)
-
Step 500
500
#988670
oklch(63% 0.039 72.6)
-
Step 600
600
#827059
oklch(55.6% 0.041 73.6)
-
Step 700
700 (this color)
#665641
oklch(46.3% 0.038 74.2)
-
Step 800
800
#5A4D3C
oklch(42.8% 0.032 74.2)
-
Step 900
900
#4A4033
oklch(37.8% 0.025 74.2)
-
Step 950
950
#2B251E
oklch(26.9% 0.015 71.4)
#665641 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) | #5C5640 | 0.017 |
| Deuteranopia (no green cones) | #605A41 | 0.015 |
| Tritanopia (no blue cones) | #6C5250 | 0.032 |
| Achromatopsia (no color) | #585858 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665641
#665641
oklch(46.3% 0.038 74.2)
- #4A5A6E
#4A5A6E
oklch(46.2% 0.038 254.2)
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 #665641, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Milk Chocolate #7F4E1E ΔE 0.054
- Olive Brown #645403 ΔE 0.059
- Medium Brown #7F5112 ΔE 0.059
- Mud #735C12 ΔE 0.060
- Mud Brown #60460F ΔE 0.064
- Cocoa #875F42 ΔE 0.066
- Dim Gray #696969 ΔE 0.069
- Dark Taupe #7F684E ΔE 0.070
Use #665641 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.