#64490B
Closest named color: Mud Brown (#60460F). oklch(42.4% 0.082 82.4), rgb(100, 73, 11).
Aa
White text reads best on this color (8.40:1).
About this color
#64490B is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.082 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.013 away. White text reads best on it, at 8.40:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #64490B |
| RGB | rgb(100, 73, 11) |
| HSL | hsl(42, 80%, 22%) |
| OKLCH | oklch(42.4% 0.082 82.4) |
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 #64490B | 8.40:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #64490B | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #64490B text on white | 8.40:1 | AAA | Lc 88.8 | Fine for body text |
| #64490B text on black | 2.49:1 | Fails | Lc -13.4 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E2D8C6
oklch(88.5% 0.027 82.4)
-
Step 300
300
#D0BE9E
oklch(80.8% 0.048 82)
-
Step 400
400
#B89C69
oklch(70.6% 0.076 81.9)
-
Step 500
500
#A7833E
oklch(63% 0.098 81.6)
-
Step 600
600
#926C17
oklch(55.6% 0.107 82)
-
Step 700
700
#7C5A06
oklch(49% 0.099 82.3)
-
Step 800
800 (this color)
#64490B
oklch(42.4% 0.082 82.4)
-
Step 900
900
#523E14
oklch(37.7% 0.064 82.9)
-
Step 950
950
#30240D
oklch(26.9% 0.041 81.8)
#64490B 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) | #544900 | 0.031 |
| Deuteranopia (no green cones) | #5A500F | 0.026 |
| Tritanopia (no blue cones) | #6D413E | 0.072 |
| Achromatopsia (no color) | #4D4D4D | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64490B
#64490B
oklch(42.4% 0.082 82.4)
- #354D7B
#354D7B
oklch(42.3% 0.083 262.5)
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 #64490B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.013
- Green Brown #544E03 ΔE 0.033
- Olive Brown #645403 ΔE 0.034
- Milk Chocolate #7F4E1E ΔE 0.057
- Medium Brown #7F5112 ΔE 0.058
- Mud #735C12 ΔE 0.063
- Army Green #4B5D16 ΔE 0.068
- Greeny Brown #696006 ΔE 0.069
Use #64490B 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.