#644316
Closest named color: Mud Brown (#60460F). oklch(41.1% 0.075 71), rgb(100, 67, 22).
Aa
White text reads best on this color (8.91:1).
About this color
#644316 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.075 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.014 away. White text reads best on it, at 8.91:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #644316 |
| RGB | rgb(100, 67, 22) |
| HSL | hsl(35, 64%, 24%) |
| OKLCH | oklch(41.1% 0.075 71) |
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 #644316 | 8.91:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #644316 | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #644316 text on white | 8.91:1 | AAA | Lc 90.3 | Preferred for body text |
| #644316 text on black | 2.35:1 | Fails | Lc -12.0 | 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
#E4D7C8
oklch(88.6% 0.025 71.4)
-
Step 300
300
#D3BCA3
oklch(80.8% 0.043 69.5)
-
Step 400
400
#BD9A70
oklch(70.8% 0.071 71.4)
-
Step 500
500
#AC804A
oklch(63.1% 0.09 70.7)
-
Step 600
600
#97692B
oklch(55.7% 0.097 71.2)
-
Step 700
700
#81571E
oklch(49.2% 0.09 70.6)
-
Step 800
800 (this color)
#644316
oklch(41.1% 0.075 71)
-
Step 900
900
#553C1C
oklch(37.7% 0.058 71.2)
-
Step 950
950
#322311
oklch(26.9% 0.037 70.2)
#644316 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) | #4E4510 | 0.043 |
| Deuteranopia (no green cones) | #564D17 | 0.037 |
| Tritanopia (no blue cones) | #6D3B3A | 0.061 |
| Achromatopsia (no color) | #4A4A4A | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644316
#644316
oklch(41.1% 0.075 71)
- #294D72
#294D72
oklch(41.1% 0.075 250.7)
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 #644316, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.014
- Green Brown #544E03 ΔE 0.048
- Olive Brown #645403 ΔE 0.054
- Milk Chocolate #7F4E1E ΔE 0.063
- Chestnut #742802 ΔE 0.067
- Purple Brown #673A3F ΔE 0.068
- Medium Brown #7F5112 ΔE 0.068
- Saddle Brown #8B4513 ΔE 0.077
Use #644316 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.