#665D31
Closest named color: Mud (#735C12). oklch(47.6% 0.064 98), rgb(102, 93, 49).
Aa
White text reads best on this color (6.61:1).
About this color
#665D31 is a medium-dark, muted brown. In OKLCH its lightness is 48%, its chroma 0.064 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Mud (#735C12), ΔE 0.031 away. White text reads best on it, at 6.61:1.
| Hue family | Browns |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Mud (#735C12) |
| Black text | 3.17:1 |
| White text | 6.61:1 |
Values
| HEX | #665D31 |
| RGB | rgb(102, 93, 49) |
| HSL | hsl(50, 35%, 30%) |
| OKLCH | oklch(47.6% 0.064 98) |
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 #665D31 | 6.61:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #665D31 | 3.17:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #665D31 text on white | 6.61:1 | AA | Lc 82.7 | Fine for body text |
| #665D31 text on black | 3.17:1 | AA large text | Lc -19.2 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#EBEAE3
oklch(93.6% 0.009 100)
-
Step 200
200
#DCD9CD
oklch(88.4% 0.017 95.2)
-
Step 300
300
#C6C1AB
oklch(80.9% 0.031 96.5)
-
Step 400
400
#A8A17E
oklch(70.6% 0.049 98)
-
Step 500
500
#938A5D
oklch(63% 0.063 98.2)
-
Step 600
600
#7E7443
oklch(55.6% 0.069 98.1)
-
Step 700
700 (this color)
#665D31
oklch(47.6% 0.064 98)
-
Step 800
800
#574F2C
oklch(42.7% 0.053 96.8)
-
Step 900
900
#474228
oklch(37.7% 0.041 98.7)
-
Step 950
950
#2A2718
oklch(27.1% 0.026 98.2)
#665D31 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) | #655B2D | 0.007 |
| Deuteranopia (no green cones) | #675E33 | 0.004 |
| Tritanopia (no blue cones) | #6D5753 | 0.059 |
| Achromatopsia (no color) | #5D5D5D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665D31
#665D31
oklch(47.6% 0.064 98)
- #545980
#545980
oklch(47.6% 0.063 278.1)
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 #665D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud #735C12 ΔE 0.031
- Greeny Brown #696006 ΔE 0.037
- Olive Brown #645403 ΔE 0.039
- Dark Moss Green #606C38 ΔE 0.043
- Camo Green #526525 ΔE 0.044
- Dark Olive Green #556B2F ΔE 0.049
- Medium Brown #7F5112 ΔE 0.051
- Mud Green #606602 ΔE 0.052
Use #665D31 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.