#635643
Closest named color: Milk Chocolate (#7F4E1E). oklch(46% 0.034 77.1), rgb(99, 86, 67).
Aa
White text reads best on this color (7.13:1).
About this color
#635643 is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.034 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Milk Chocolate (#7F4E1E), ΔE 0.060 away. White text reads best on it, at 7.13:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Milk Chocolate (#7F4E1E) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #635643 |
| RGB | rgb(99, 86, 67) |
| HSL | hsl(36, 19%, 33%) |
| OKLCH | oklch(46% 0.034 77.1) |
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 #635643 | 7.13:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #635643 | 2.94:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #635643 text on white | 7.13:1 | AAA | Lc 84.8 | Fine for body text |
| #635643 text on black | 2.94:1 | Fails | Lc -17.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DCD8D3
oklch(88.4% 0.008 73.7)
-
Step 300
300
#C7BFB5
oklch(80.8% 0.017 73.6)
-
Step 400
400
#AA9F8F
oklch(70.7% 0.026 77.4)
-
Step 500
500
#958773
oklch(63% 0.034 76.8)
-
Step 600
600
#80715C
oklch(55.7% 0.036 76.1)
-
Step 700
700 (this color)
#635643
oklch(46% 0.034 77.1)
-
Step 800
800
#584D3E
oklch(42.7% 0.028 75.5)
-
Step 900
900
#484035
oklch(37.6% 0.021 75.8)
-
Step 950
950
#2A261F
oklch(27.1% 0.014 81.7)
#635643 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) | #5B5642 | 0.014 |
| Deuteranopia (no green cones) | #5E5943 | 0.012 |
| Tritanopia (no blue cones) | #685251 | 0.030 |
| Achromatopsia (no color) | #585858 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635643
#635643
oklch(46% 0.034 77.1)
- #4C596B
#4C596B
oklch(46% 0.034 256.6)
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 #635643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Milk Chocolate #7F4E1E ΔE 0.060
- Olive Brown #645403 ΔE 0.061
- Mud #735C12 ΔE 0.064
- Medium Brown #7F5112 ΔE 0.064
- Mud Brown #60460F ΔE 0.065
- Dim Gray #696969 ΔE 0.069
- Cocoa #875F42 ΔE 0.071
- Brownish Purple #76424E ΔE 0.072
Use #635643 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.