#684B37
Closest named color: Mud Brown (#60460F). oklch(43.9% 0.05 55.6), rgb(104, 75, 55).
Aa
White text reads best on this color (7.92:1).
About this color
#684B37 is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.050 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.047 away. White text reads best on it, at 7.92:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #684B37 |
| RGB | rgb(104, 75, 55) |
| HSL | hsl(24, 31%, 31%) |
| OKLCH | oklch(43.9% 0.05 55.6) |
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 #684B37 | 7.92:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #684B37 | 2.65:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #684B37 text on white | 7.92:1 | AAA | Lc 87.4 | Fine for body text |
| #684B37 text on black | 2.65:1 | Fails | Lc -14.7 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E2D7CF
oklch(88.6% 0.016 58.6)
-
Step 300
300
#D0BCAF
oklch(80.8% 0.029 55.2)
-
Step 400
400
#B89A85
oklch(70.8% 0.047 56.9)
-
Step 500
500
#A68066
oklch(63% 0.06 55.7)
-
Step 600
600
#91694E
oklch(55.5% 0.065 55)
-
Step 700
700
#7C583F
oklch(49.2% 0.061 55.6)
-
Step 800
800 (this color)
#684B37
oklch(43.9% 0.05 55.6)
-
Step 900
900
#523C2D
oklch(37.6% 0.039 55.5)
-
Step 950
950
#30231B
oklch(26.9% 0.025 53)
#684B37 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) | #534D36 | 0.038 |
| Deuteranopia (no green cones) | #5A5437 | 0.035 |
| Tritanopia (no blue cones) | #704546 | 0.036 |
| Achromatopsia (no color) | #515151 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684B37
#684B37
oklch(43.9% 0.05 55.6)
- #36576A
#36576A
oklch(43.9% 0.05 234.8)
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 #684B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.047
- Milk Chocolate #7F4E1E ΔE 0.052
- Purple Brown #673A3F ΔE 0.055
- Brownish Purple #76424E ΔE 0.057
- Medium Brown #7F5112 ΔE 0.061
- Olive Brown #645403 ΔE 0.063
- Green Brown #544E03 ΔE 0.069
- Saddle Brown #8B4513 ΔE 0.070
Use #684B37 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.