#644410
Closest named color: Mud Brown (#60460F). oklch(41.3% 0.078 74.6), rgb(100, 68, 16).
Aa
White text reads best on this color (8.83:1).
About this color
#644410 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.078 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.009 away. White text reads best on it, at 8.83:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #644410 |
| RGB | rgb(100, 68, 16) |
| HSL | hsl(37, 72%, 23%) |
| OKLCH | oklch(41.3% 0.078 74.6) |
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 #644410 | 8.83:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #644410 | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #644410 text on white | 8.83:1 | AAA | Lc 90.0 | Preferred for body text |
| #644410 text on black | 2.37:1 | Fails | Lc -12.2 | 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
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E3D7C7
oklch(88.4% 0.025 75.3)
-
Step 300
300
#D3BDA0
oklch(80.9% 0.047 74.7)
-
Step 400
400
#BC9A6D
oklch(70.7% 0.073 74)
-
Step 500
500
#AB8144
oklch(63.2% 0.094 74.9)
-
Step 600
600
#966923
oklch(55.5% 0.102 74.2)
-
Step 700
700
#805815
oklch(49.2% 0.095 74.9)
-
Step 800
800 (this color)
#644410
oklch(41.3% 0.078 74.6)
-
Step 900
900
#553C19
oklch(37.7% 0.061 73.2)
-
Step 950
950
#322410
oklch(27.2% 0.039 74.8)
#644410 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) | #4F4607 | 0.041 |
| Deuteranopia (no green cones) | #574D12 | 0.034 |
| Tritanopia (no blue cones) | #6E3C3A | 0.065 |
| Achromatopsia (no color) | #4A4A4A | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644410
#644410
oklch(41.3% 0.078 74.6)
- #2C4C75
#2C4C75
oklch(41.2% 0.079 255.3)
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 #644410, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.009
- Green Brown #544E03 ΔE 0.043
- Olive Brown #645403 ΔE 0.049
- Milk Chocolate #7F4E1E ΔE 0.062
- Medium Brown #7F5112 ΔE 0.066
- Chestnut #742802 ΔE 0.071
- Purple Brown #673A3F ΔE 0.074
- Mud #735C12 ΔE 0.076
Use #644410 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.