#64491A
Closest named color: Mud Brown (#60460F). oklch(42.5% 0.073 78.2), rgb(100, 73, 26).
Aa
White text reads best on this color (8.36:1).
About this color
#64491A is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.073 and its hue 78°. 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 8.36:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #64491A |
| RGB | rgb(100, 73, 26) |
| HSL | hsl(38, 59%, 25%) |
| OKLCH | oklch(42.5% 0.073 78.2) |
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 #64491A | 8.36:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #64491A | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #64491A text on white | 8.36:1 | AAA | Lc 88.7 | Fine for body text |
| #64491A text on black | 2.50:1 | Fails | Lc -13.5 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E1
oklch(93.6% 0.012 79.8)
-
Step 200
200
#E2D8C8
oklch(88.6% 0.024 79.7)
-
Step 300
300
#D0BEA3
oklch(80.9% 0.042 78)
-
Step 400
400
#B89C70
oklch(70.7% 0.068 78.6)
-
Step 500
500
#A6834A
oklch(63.1% 0.086 78.4)
-
Step 600
600
#916C2B
oklch(55.6% 0.094 78.6)
-
Step 700
700
#7C5A1D
oklch(49.2% 0.088 78.3)
-
Step 800
800 (this color)
#64491A
oklch(42.5% 0.073 78.2)
-
Step 900
900
#523E1C
oklch(37.8% 0.057 78.9)
-
Step 950
950
#302411
oklch(26.9% 0.036 77.8)
#64491A 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) | #534A14 | 0.033 |
| Deuteranopia (no green cones) | #5A501C | 0.026 |
| Tritanopia (no blue cones) | #6D413F | 0.063 |
| Achromatopsia (no color) | #4E4E4E | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64491A
#64491A
oklch(42.5% 0.073 78.2)
- #354F76
#354F76
oklch(42.5% 0.073 258.3)
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 #64491A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.014
- Olive Brown #645403 ΔE 0.039
- Green Brown #544E03 ΔE 0.039
- Milk Chocolate #7F4E1E ΔE 0.055
- Medium Brown #7F5112 ΔE 0.058
- Mud #735C12 ΔE 0.065
- Army Green #4B5D16 ΔE 0.072
- Greeny Brown #696006 ΔE 0.073
Use #64491A 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.