#644228
Closest named color: Mud Brown (#60460F). oklch(41.2% 0.061 57.4), rgb(100, 66, 40).
Aa
White text reads best on this color (8.92:1).
About this color
#644228 is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.061 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.033 away. White text reads best on it, at 8.92:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #644228 |
| RGB | rgb(100, 66, 40) |
| HSL | hsl(26, 43%, 27%) |
| OKLCH | oklch(41.2% 0.061 57.4) |
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 #644228 | 8.92:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #644228 | 2.35:1 | Fails | Lc 13.6 | Not readable |
| #644228 text on white | 8.92:1 | AAA | Lc 90.3 | Preferred for body text |
| #644228 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE8E3
oklch(93.5% 0.01 58.2)
-
Step 200
200
#E4D6CD
oklch(88.5% 0.02 55.1)
-
Step 300
300
#D3BBAB
oklch(80.8% 0.035 55.8)
-
Step 400
400
#BD987E
oklch(70.7% 0.057 56.7)
-
Step 500
500
#AC7E5D
oklch(63.1% 0.074 56.6)
-
Step 600
600
#976743
oklch(55.6% 0.08 57.1)
-
Step 700
700
#805635
oklch(49.1% 0.073 58.1)
-
Step 800
800 (this color)
#644228
oklch(41.2% 0.061 57.4)
-
Step 900
900
#553B28
oklch(37.7% 0.048 56.9)
-
Step 950
950
#322318
oklch(27.1% 0.03 57.3)
#644228 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) | #4C4526 | 0.045 |
| Deuteranopia (no green cones) | #544D28 | 0.042 |
| Tritanopia (no blue cones) | #6D3B3C | 0.044 |
| Achromatopsia (no color) | #4A4A4A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644228
#644228
oklch(41.2% 0.061 57.4)
- #275068
#275068
oklch(41.3% 0.061 236.5)
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 #644228, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.033
- Purple Brown #673A3F ΔE 0.048
- Green Brown #544E03 ΔE 0.064
- Chestnut #742802 ΔE 0.064
- Milk Chocolate #7F4E1E ΔE 0.066
- Olive Brown #645403 ΔE 0.068
- Brownish Purple #76424E ΔE 0.069
- Medium Brown #7F5112 ΔE 0.075
Use #644228 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.