#644723
Closest named color: Mud Brown (#60460F). oklch(42.2% 0.065 70.4), rgb(100, 71, 35).
Aa
White text reads best on this color (8.51:1).
About this color
#644723 is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.065 and its hue 70°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.021 away. White text reads best on it, at 8.51:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.46:1 |
| White text | 8.51:1 |
Values
| HEX | #644723 |
| RGB | rgb(100, 71, 35) |
| HSL | hsl(33, 48%, 26%) |
| OKLCH | oklch(42.2% 0.065 70.4) |
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 #644723 | 8.51:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #644723 | 2.46:1 | Fails | Lc 14.8 | Not readable |
| #644723 text on white | 8.51:1 | AAA | Lc 89.2 | Fine for body text |
| #644723 text on black | 2.46:1 | Fails | Lc -13.0 | 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
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E2D7CB
oklch(88.5% 0.02 70)
-
Step 300
300
#D1BDA7
oklch(80.9% 0.038 69.9)
-
Step 400
400
#B99B77
oklch(70.8% 0.061 71.7)
-
Step 500
500
#A88154
oklch(63.1% 0.078 69.6)
-
Step 600
600
#936A38
oklch(55.6% 0.085 70)
-
Step 700
700
#7D582B
oklch(49% 0.078 69.5)
-
Step 800
800 (this color)
#644723
oklch(42.2% 0.065 70.4)
-
Step 900
900
#533D22
oklch(37.8% 0.051 70.9)
-
Step 950
950
#302415
oklch(27% 0.031 72.1)
#644723 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) | #514920 | 0.036 |
| Deuteranopia (no green cones) | #584F24 | 0.031 |
| Tritanopia (no blue cones) | #6D403F | 0.053 |
| Achromatopsia (no color) | #4D4D4D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644723
#644723
oklch(42.2% 0.065 70.4)
- #315070
#315070
oklch(42.2% 0.065 250.3)
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 #644723, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.021
- Green Brown #544E03 ΔE 0.049
- Olive Brown #645403 ΔE 0.051
- Milk Chocolate #7F4E1E ΔE 0.057
- Medium Brown #7F5112 ΔE 0.063
- Purple Brown #673A3F ΔE 0.064
- Mud #735C12 ΔE 0.074
- Saddle Brown #8B4513 ΔE 0.074
Use #644723 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.