#684138
Closest named color: Purple Brown (#673A3F). oklch(41.8% 0.057 33.6), rgb(104, 65, 56).
Aa
White text reads best on this color (8.74:1).
About this color
#684138 is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.057 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.026 away. White text reads best on it, at 8.74:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #684138 |
| RGB | rgb(104, 65, 56) |
| HSL | hsl(11, 30%, 31%) |
| OKLCH | oklch(41.8% 0.057 33.6) |
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 #684138 | 8.74:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #684138 | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #684138 text on white | 8.74:1 | AAA | Lc 89.8 | Fine for body text |
| #684138 text on black | 2.40:1 | Fails | Lc -12.4 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E6
oklch(93.7% 0.009 34.3)
-
Step 200
200
#E5D5D1
oklch(88.5% 0.019 34.3)
-
Step 300
300
#D5B9B3
oklch(80.8% 0.033 32.1)
-
Step 400
400
#BF958B
oklch(70.6% 0.053 33.7)
-
Step 500
500
#AF7B6F
oklch(63.2% 0.068 33.4)
-
Step 600
600
#9A6357
oklch(55.6% 0.074 32.9)
-
Step 700
700
#835247
oklch(49.1% 0.069 33.3)
-
Step 800
800 (this color)
#684138
oklch(41.8% 0.057 33.6)
-
Step 900
900
#573932
oklch(37.8% 0.045 33.7)
-
Step 950
950
#33211D
oklch(26.9% 0.029 33)
#684138 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) | #4A4637 | 0.056 |
| Deuteranopia (no green cones) | #534E38 | 0.052 |
| Tritanopia (no blue cones) | #703B3F | 0.027 |
| Achromatopsia (no color) | #4B4B4B | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684138
#684138
oklch(41.8% 0.057 33.6)
- #21555F
#21555F
oklch(41.9% 0.057 212.3)
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 #684138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.026
- Brownish Purple #76424E ΔE 0.045
- Mud Brown #60460F ΔE 0.058
- Chestnut #742802 ΔE 0.068
- Milk Chocolate #7F4E1E ΔE 0.071
- Red Brown #8B2E16 ΔE 0.077
- Rust Brown #8B3103 ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.079
Use #684138 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.