#665128
Closest named color: Olive Brown (#645403). oklch(44.7% 0.064 82.5), rgb(102, 81, 40).
Aa
White text reads best on this color (7.57:1).
About this color
#665128 is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.064 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.032 away. White text reads best on it, at 7.57:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #665128 |
| RGB | rgb(102, 81, 40) |
| HSL | hsl(40, 44%, 28%) |
| OKLCH | oklch(44.7% 0.064 82.5) |
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 #665128 | 7.57:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #665128 | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #665128 text on white | 7.57:1 | AAA | Lc 86.3 | Fine for body text |
| #665128 text on black | 2.77:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E2
oklch(93.5% 0.01 81.8)
-
Step 200
200
#E0D8CA
oklch(88.5% 0.021 81.8)
-
Step 300
300
#CDBFA6
oklch(81% 0.038 82.1)
-
Step 400
400
#B39E76
oklch(70.8% 0.06 83.3)
-
Step 500
500
#A08552
oklch(63% 0.076 82.5)
-
Step 600
600
#8B6E35
oklch(55.5% 0.083 82.4)
-
Step 700
700
#765C28
oklch(49% 0.077 82.5)
-
Step 800
800 (this color)
#665128
oklch(44.7% 0.064 82.5)
-
Step 900
900
#4F3F21
oklch(37.7% 0.05 82)
-
Step 950
950
#2E2514
oklch(27% 0.032 82.6)
#665128 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) | #5A5124 | 0.022 |
| Deuteranopia (no green cones) | #5F5629 | 0.018 |
| Tritanopia (no blue cones) | #6E4A48 | 0.058 |
| Achromatopsia (no color) | #545454 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665128
#665128
oklch(44.7% 0.064 82.5)
- #415478
#415478
oklch(44.6% 0.064 262.7)
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 #665128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.032
- Mud Brown #60460F ΔE 0.037
- Milk Chocolate #7F4E1E ΔE 0.045
- Medium Brown #7F5112 ΔE 0.047
- Green Brown #544E03 ΔE 0.047
- Mud #735C12 ΔE 0.048
- Greeny Brown #696006 ΔE 0.057
- Army Green #4B5D16 ΔE 0.063
Use #665128 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.