#66452D
Closest named color: Mud Brown (#60460F). oklch(42.2% 0.058 56.4), rgb(102, 69, 45).
Aa
White text reads best on this color (8.55:1).
About this color
#66452D is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.058 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.036 away. White text reads best on it, at 8.55:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #66452D |
| RGB | rgb(102, 69, 45) |
| HSL | hsl(25, 39%, 29%) |
| OKLCH | oklch(42.2% 0.058 56.4) |
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 #66452D | 8.55:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #66452D | 2.45:1 | Fails | Lc 14.7 | Not readable |
| #66452D text on white | 8.55:1 | AAA | Lc 89.3 | Fine for body text |
| #66452D text on black | 2.45:1 | Fails | Lc -12.9 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE8E4
oklch(93.5% 0.009 52.1)
-
Step 200
200
#E3D6CD
oklch(88.4% 0.019 57.2)
-
Step 300
300
#D3BCAC
oklch(81% 0.034 57)
-
Step 400
400
#BC9880
oklch(70.7% 0.055 55.3)
-
Step 500
500
#AA7F60
oklch(63.1% 0.069 56.9)
-
Step 600
600
#956846
oklch(55.6% 0.075 57.5)
-
Step 700
700
#7F5638
oklch(49.1% 0.07 56.5)
-
Step 800
800 (this color)
#66452D
oklch(42.2% 0.058 56.4)
-
Step 900
900
#543B29
oklch(37.6% 0.046 56.6)
-
Step 950
950
#312319
oklch(27% 0.028 56.8)
#66452D 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) | #4F482B | 0.043 |
| Deuteranopia (no green cones) | #564F2D | 0.040 |
| Tritanopia (no blue cones) | #6F3E3F | 0.042 |
| Achromatopsia (no color) | #4C4C4C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66452D
#66452D
oklch(42.2% 0.058 56.4)
- #2C5269
#2C5269
oklch(42.1% 0.058 236.9)
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 #66452D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.036
- Purple Brown #673A3F ΔE 0.048
- Milk Chocolate #7F4E1E ΔE 0.059
- Brownish Purple #76424E ΔE 0.063
- Green Brown #544E03 ΔE 0.064
- Olive Brown #645403 ΔE 0.065
- Medium Brown #7F5112 ΔE 0.068
- Chestnut #742802 ΔE 0.070
Use #66452D 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.