#644236
Closest named color: Purple Brown (#673A3F). oklch(41.5% 0.052 40.2), rgb(100, 66, 54).
Aa
White text reads best on this color (8.84:1).
About this color
#644236 is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.052 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.031 away. White text reads best on it, at 8.84:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #644236 |
| RGB | rgb(100, 66, 54) |
| HSL | hsl(16, 30%, 30%) |
| OKLCH | oklch(41.5% 0.052 40.2) |
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 #644236 | 8.84:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #644236 | 2.37:1 | Fails | Lc 13.8 | Not readable |
| #644236 text on white | 8.84:1 | AAA | Lc 90.1 | Preferred for body text |
| #644236 text on black | 2.37:1 | Fails | Lc -12.1 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E4D6D1
oklch(88.6% 0.017 40.8)
-
Step 300
300
#D3BBB2
oklch(81% 0.03 41.7)
-
Step 400
400
#BC978A
oklch(70.7% 0.048 40.3)
-
Step 500
500
#AB7D6D
oklch(63.1% 0.062 40)
-
Step 600
600
#966655
oklch(55.7% 0.068 40.3)
-
Step 700
700
#7F5545
oklch(49.1% 0.062 41.7)
-
Step 800
800 (this color)
#644236
oklch(41.5% 0.052 40.2)
-
Step 900
900
#543A31
oklch(37.5% 0.04 39.9)
-
Step 950
950
#31221D
oklch(26.9% 0.025 39.2)
#644236 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) | #4A4635 | 0.048 |
| Deuteranopia (no green cones) | #524D36 | 0.044 |
| Tritanopia (no blue cones) | #6C3D3F | 0.027 |
| Achromatopsia (no color) | #4A4A4A | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644236
#644236
oklch(41.5% 0.052 40.2)
- #28525F
#28525F
oklch(41.4% 0.051 220.4)
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 #644236, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.031
- Mud Brown #60460F ΔE 0.051
- Brownish Purple #76424E ΔE 0.053
- Chestnut #742802 ΔE 0.070
- Charcoal Grey #3C4142 ΔE 0.073
- Milk Chocolate #7F4E1E ΔE 0.073
- Green Brown #544E03 ΔE 0.079
- Olive Brown #645403 ΔE 0.083
Use #644236 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.