#634523
Closest named color: Mud Brown (#60460F). oklch(41.6% 0.064 67.9), rgb(99, 69, 35).
Aa
White text reads best on this color (8.72:1).
About this color
#634523 is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.064 and its hue 68°. 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 8.72:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.40:1 |
| White text | 8.72:1 |
Values
| HEX | #634523 |
| RGB | rgb(99, 69, 35) |
| HSL | hsl(32, 48%, 26%) |
| OKLCH | oklch(41.6% 0.064 67.9) |
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 #634523 | 8.72:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #634523 | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #634523 text on white | 8.72:1 | AAA | Lc 89.8 | Fine for body text |
| #634523 text on black | 2.40:1 | Fails | Lc -12.5 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E3D7CB
oklch(88.6% 0.021 67.6)
-
Step 300
300
#D1BDA7
oklch(80.9% 0.038 69.9)
-
Step 400
400
#BA9A79
oklch(70.7% 0.059 67.5)
-
Step 500
500
#A88156
oklch(63.1% 0.076 68.5)
-
Step 600
600
#946A3B
oklch(55.7% 0.083 67.8)
-
Step 700
700
#7E582D
oklch(49.2% 0.077 67.7)
-
Step 800
800 (this color)
#634523
oklch(41.6% 0.064 67.9)
-
Step 900
900
#533C24
oklch(37.6% 0.049 66.6)
-
Step 950
950
#312415
oklch(27.1% 0.032 69.8)
#634523 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) | #4F4720 | 0.038 |
| Deuteranopia (no green cones) | #564E24 | 0.034 |
| Tritanopia (no blue cones) | #6C3E3D | 0.051 |
| Achromatopsia (no color) | #4B4B4B | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634523
#634523
oklch(41.6% 0.064 67.9)
- #2E4F6D
#2E4F6D
oklch(41.6% 0.064 247.4)
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 #634523, 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 0.052
- Olive Brown #645403 ΔE 0.056
- Purple Brown #673A3F ΔE 0.060
- Milk Chocolate #7F4E1E ΔE 0.062
- Medium Brown #7F5112 ΔE 0.068
- Chestnut #742802 ΔE 0.071
- Saddle Brown #8B4513 ΔE 0.077
Use #634523 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.