#684137
Closest named color: Purple Brown (#673A3F). oklch(41.8% 0.057 35.1), rgb(104, 65, 55).
Aa
White text reads best on this color (8.75:1).
About this color
#684137 is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.057 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.027 away. White text reads best on it, at 8.75:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #684137 |
| RGB | rgb(104, 65, 55) |
| HSL | hsl(12, 31%, 31%) |
| OKLCH | oklch(41.8% 0.057 35.1) |
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 #684137 | 8.75:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #684137 | 2.39:1 | Fails | Lc 14.1 | Not readable |
| #684137 text on white | 8.75:1 | AAA | Lc 89.8 | Fine for body text |
| #684137 text on black | 2.39:1 | 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
#F0E8E5
oklch(93.6% 0.01 41.9)
-
Step 200
200
#E5D5D1
oklch(88.5% 0.019 34.3)
-
Step 300
300
#D5B9B2
oklch(80.8% 0.034 34.3)
-
Step 400
400
#BF958A
oklch(70.6% 0.053 35.1)
-
Step 500
500
#AF7B6D
oklch(63.2% 0.069 35.7)
-
Step 600
600
#9A6355
oklch(55.6% 0.075 35)
-
Step 700
700
#835246
oklch(49.1% 0.069 34.5)
-
Step 800
800 (this color)
#684137
oklch(41.8% 0.057 35.1)
-
Step 900
900
#573931
oklch(37.7% 0.045 35.6)
-
Step 950
950
#33221D
oklch(27.1% 0.028 37.1)
#684137 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) | #4A4636 | 0.056 |
| Deuteranopia (no green cones) | #544E37 | 0.051 |
| Tritanopia (no blue cones) | #703B3E | 0.027 |
| Achromatopsia (no color) | #4B4B4B | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684137
#684137
oklch(41.8% 0.057 35.1)
- #215460
#215460
oklch(41.7% 0.057 215.7)
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 #684137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.027
- Brownish Purple #76424E ΔE 0.046
- Mud Brown #60460F ΔE 0.056
- Chestnut #742802 ΔE 0.067
- Milk Chocolate #7F4E1E ΔE 0.071
- Red Brown #8B2E16 ΔE 0.076
- Rust Brown #8B3103 ΔE 0.078
- Saddle Brown #8B4513 ΔE 0.079
Use #684137 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.