#644623
Closest named color: Mud Brown (#60460F). oklch(41.9% 0.065 68.7), rgb(100, 70, 35).
Aa
White text reads best on this color (8.59:1).
About this color
#644623 is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.065 and its hue 69°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.021 away. White text reads best on it, at 8.59:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #644623 |
| RGB | rgb(100, 70, 35) |
| HSL | hsl(32, 48%, 26%) |
| OKLCH | oklch(41.9% 0.065 68.7) |
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 #644623 | 8.59:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #644623 | 2.44:1 | Fails | Lc 14.6 | Not readable |
| #644623 text on white | 8.59:1 | AAA | Lc 89.4 | Fine for body text |
| #644623 text on black | 2.44:1 | Fails | Lc -12.8 | 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
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E3D7CB
oklch(88.6% 0.021 67.6)
-
Step 300
300
#D1BDA7
oklch(80.9% 0.038 69.9)
-
Step 400
400
#BA9A78
oklch(70.7% 0.06 68.3)
-
Step 500
500
#A88155
oklch(63.1% 0.077 69.1)
-
Step 600
600
#946A39
oklch(55.7% 0.085 68.8)
-
Step 700
700
#7E582C
oklch(49.2% 0.078 68.2)
-
Step 800
800 (this color)
#644623
oklch(41.9% 0.065 68.7)
-
Step 900
900
#533D23
oklch(37.8% 0.05 70)
-
Step 950
950
#312415
oklch(27.1% 0.032 69.8)
#644623 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) | #504820 | 0.037 |
| Deuteranopia (no green cones) | #574F24 | 0.034 |
| Tritanopia (no blue cones) | #6D3F3E | 0.052 |
| Achromatopsia (no color) | #4C4C4C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644623
#644623
oklch(41.9% 0.065 68.7)
- #2F506F
#2F506F
oklch(42% 0.065 248.2)
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 #644623, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.021
- Green Brown #544E03 ΔE 0.051
- Olive Brown #645403 ΔE 0.053
- Milk Chocolate #7F4E1E ΔE 0.058
- Purple Brown #673A3F ΔE 0.062
- Medium Brown #7F5112 ΔE 0.065
- Chestnut #742802 ΔE 0.073
- Saddle Brown #8B4513 ΔE 0.075
Use #644623 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.