#644109
Closest named color: Mud Brown (#60460F). oklch(40.6% 0.082 72.4), rgb(100, 65, 9).
Aa
White text reads best on this color (9.12:1).
About this color
#644109 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.082 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.015 away. White text reads best on it, at 9.12:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #644109 |
| RGB | rgb(100, 65, 9) |
| HSL | hsl(37, 83%, 21%) |
| OKLCH | oklch(40.6% 0.082 72.4) |
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 #644109 | 9.12:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #644109 | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #644109 text on white | 9.12:1 | AAA | Lc 90.8 | Preferred for body text |
| #644109 text on black | 2.30:1 | Fails | Lc -11.5 | 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
#F0E9E0
oklch(93.7% 0.014 74.4)
-
Step 200
200
#E4D7C7
oklch(88.5% 0.026 73.2)
-
Step 300
300
#D4BC9F
oklch(80.8% 0.048 72.3)
-
Step 400
400
#BE996B
oklch(70.6% 0.076 72.2)
-
Step 500
500
#AE7F41
oklch(63% 0.098 71.9)
-
Step 600
600
#99681E
oklch(55.6% 0.106 72.5)
-
Step 700
700
#83560F
oklch(49.1% 0.099 71.9)
-
Step 800
800 (this color)
#644109
oklch(40.6% 0.082 72.4)
-
Step 900
900
#563C17
oklch(37.8% 0.063 73.2)
-
Step 950
950
#33230F
oklch(27.1% 0.04 70.8)
#644109 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) | #4D4300 | 0.045 |
| Deuteranopia (no green cones) | #554C0B | 0.041 |
| Tritanopia (no blue cones) | #6E3837 | 0.068 |
| Achromatopsia (no color) | #484848 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644109
#644109
oklch(40.6% 0.082 72.4)
- #264B74
#264B74
oklch(40.6% 0.081 252.6)
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 #644109, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.015
- Green Brown #544E03 ΔE 0.048
- Olive Brown #645403 ΔE 0.056
- Chestnut #742802 ΔE 0.065
- Milk Chocolate #7F4E1E ΔE 0.068
- Medium Brown #7F5112 ΔE 0.072
- Purple Brown #673A3F ΔE 0.074
- Saddle Brown #8B4513 ΔE 0.080
Use #644109 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.