#644823
Closest named color: Mud Brown (#60460F). oklch(42.4% 0.065 72.1), rgb(100, 72, 35).
Aa
White text reads best on this color (8.42:1).
About this color
#644823 is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.065 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.020 away. White text reads best on it, at 8.42:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #644823 |
| RGB | rgb(100, 72, 35) |
| HSL | hsl(34, 48%, 26%) |
| OKLCH | oklch(42.4% 0.065 72.1) |
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 #644823 | 8.42:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #644823 | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #644823 text on white | 8.42:1 | AAA | Lc 88.9 | Fine for body text |
| #644823 text on black | 2.49:1 | Fails | Lc -13.3 | 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
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E2D7CA
oklch(88.4% 0.021 72.1)
-
Step 300
300
#D0BDA6
oklch(80.8% 0.038 72.5)
-
Step 400
400
#B99B77
oklch(70.8% 0.061 71.7)
-
Step 500
500
#A78253
oklch(63.1% 0.078 72.3)
-
Step 600
600
#926B38
oklch(55.7% 0.084 71.9)
-
Step 700
700
#7C592A
oklch(49.1% 0.078 72.2)
-
Step 800
800 (this color)
#644823
oklch(42.4% 0.065 72.1)
-
Step 900
900
#523D22
oklch(37.6% 0.05 72.2)
-
Step 950
950
#302414
oklch(27% 0.032 73.7)
#644823 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) | #52491F | 0.034 |
| Deuteranopia (no green cones) | #595024 | 0.029 |
| Tritanopia (no blue cones) | #6D4140 | 0.054 |
| Achromatopsia (no color) | #4D4D4D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644823
#644823
oklch(42.4% 0.065 72.1)
- #335071
#335071
oklch(42.4% 0.065 252.5)
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 #644823, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.020
- Green Brown #544E03 ΔE 0.047
- Olive Brown #645403 ΔE 0.048
- Milk Chocolate #7F4E1E ΔE 0.056
- Medium Brown #7F5112 ΔE 0.061
- Purple Brown #673A3F ΔE 0.066
- Mud #735C12 ΔE 0.071
- Saddle Brown #8B4513 ΔE 0.074
Use #644823 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.