#684D21
Closest named color: Mud Brown (#60460F). oklch(44% 0.07 77.3), rgb(104, 77, 33).
Aa
White text reads best on this color (7.85:1).
About this color
#684D21 is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.070 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.029 away. White text reads best on it, at 7.85:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #684D21 |
| RGB | rgb(104, 77, 33) |
| HSL | hsl(37, 52%, 27%) |
| OKLCH | oklch(44% 0.07 77.3) |
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 #684D21 | 7.85:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #684D21 | 2.67:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #684D21 text on white | 7.85:1 | AAA | Lc 87.2 | Fine for body text |
| #684D21 text on black | 2.67:1 | Fails | Lc -14.9 | 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
#E2D8C9
oklch(88.6% 0.023 78.2)
-
Step 300
300
#D0BEA4
oklch(81% 0.041 77.1)
-
Step 400
400
#B89C72
oklch(70.8% 0.066 77.5)
-
Step 500
500
#A6834C
oklch(63.1% 0.084 77.6)
-
Step 600
600
#916C2F
oklch(55.6% 0.091 77.4)
-
Step 700
700
#7B5A21
oklch(49.1% 0.085 77.9)
-
Step 800
800 (this color)
#684D21
oklch(44% 0.07 77.3)
-
Step 900
900
#523E1E
oklch(37.8% 0.055 77.6)
-
Step 950
950
#302412
oklch(26.9% 0.035 76.5)
#684D21 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) | #574E1C | 0.032 |
| Deuteranopia (no green cones) | #5E5422 | 0.026 |
| Tritanopia (no blue cones) | #714643 | 0.059 |
| Achromatopsia (no color) | #525252 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684D21
#684D21
oklch(44% 0.07 77.3)
- #395379
#395379
oklch(43.9% 0.071 257.8)
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 #684D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.029
- Olive Brown #645403 ΔE 0.034
- Milk Chocolate #7F4E1E ΔE 0.043
- Green Brown #544E03 ΔE 0.046
- Medium Brown #7F5112 ΔE 0.046
- Mud #735C12 ΔE 0.053
- Greeny Brown #696006 ΔE 0.064
- Saddle Brown #8B4513 ΔE 0.066
Use #684D21 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.