#66481A
Closest named color: Mud Brown (#60460F). oklch(42.5% 0.074 74.8), rgb(102, 72, 26).
Aa
White text reads best on this color (8.37:1).
About this color
#66481A is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.074 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.016 away. White text reads best on it, at 8.37:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #66481A |
| RGB | rgb(102, 72, 26) |
| HSL | hsl(36, 59%, 25%) |
| OKLCH | oklch(42.5% 0.074 74.8) |
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 #66481A | 8.37:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #66481A | 2.50:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #66481A text on white | 8.37:1 | AAA | Lc 88.7 | Fine for body text |
| #66481A text on black | 2.50:1 | Fails | Lc -13.4 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E3D7C8
oklch(88.5% 0.024 73.6)
-
Step 300
300
#D1BDA2
oklch(80.8% 0.043 75.3)
-
Step 400
400
#BA9B70
oklch(70.7% 0.069 75.4)
-
Step 500
500
#A9824A
oklch(63.2% 0.088 75)
-
Step 600
600
#946A2B
oklch(55.5% 0.095 74.3)
-
Step 700
700
#7E581D
oklch(49% 0.089 74.3)
-
Step 800
800 (this color)
#66481A
oklch(42.5% 0.074 74.8)
-
Step 900
900
#533D1C
oklch(37.7% 0.057 75.6)
-
Step 950
950
#312411
oklch(27.1% 0.037 75.6)
#66481A 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) | #534914 | 0.036 |
| Deuteranopia (no green cones) | #5A511B | 0.033 |
| Tritanopia (no blue cones) | #6F403E | 0.062 |
| Achromatopsia (no color) | #4E4E4E | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66481A
#66481A
oklch(42.5% 0.074 74.8)
- #315076
#315076
oklch(42.5% 0.074 254.3)
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 #66481A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.016
- Olive Brown #645403 ΔE 0.042
- Green Brown #544E03 ΔE 0.044
- Milk Chocolate #7F4E1E ΔE 0.052
- Medium Brown #7F5112 ΔE 0.056
- Mud #735C12 ΔE 0.066
- Saddle Brown #8B4513 ΔE 0.071
- Purple Brown #673A3F ΔE 0.074
Use #66481A 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.