#684040
Closest named color: Purple Brown (#673A3F). oklch(41.8% 0.056 19.7), rgb(104, 64, 64).
Aa
White text reads best on this color (8.76:1).
About this color
#684040 is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.056 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.017 away. White text reads best on it, at 8.76:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.39:1 |
| White text | 8.76:1 |
Values
| HEX | #684040 |
| RGB | rgb(104, 64, 64) |
| HSL | hsl(0, 24%, 33%) |
| OKLCH | oklch(41.8% 0.056 19.7) |
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 #684040 | 8.76:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #684040 | 2.39:1 | Fails | Lc 14.1 | Not readable |
| #684040 text on white | 8.76:1 | AAA | Lc 89.9 | Fine for body text |
| #684040 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E7E7
oklch(93.5% 0.01 17.3)
-
Step 200
200
#E5D5D4
oklch(88.6% 0.018 21.8)
-
Step 300
300
#D5B9B8
oklch(80.9% 0.032 20.3)
-
Step 400
400
#BF9493
oklch(70.7% 0.052 20)
-
Step 500
500
#AF7979
oklch(63.1% 0.068 19.1)
-
Step 600
600
#9A6262
oklch(55.7% 0.073 19.6)
-
Step 700
700
#835151
oklch(49.2% 0.067 19.8)
-
Step 800
800 (this color)
#684040
oklch(41.8% 0.056 19.7)
-
Step 900
900
#573838
oklch(37.7% 0.045 19.4)
-
Step 950
950
#332121
oklch(27% 0.028 19.1)
#684040 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) | #484640 | 0.059 |
| Deuteranopia (no green cones) | #514E3F | 0.057 |
| Tritanopia (no blue cones) | #703B40 | 0.019 |
| Achromatopsia (no color) | #4B4B4B | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684040
#684040
oklch(41.8% 0.056 19.7)
- #205659
#205659
oklch(41.9% 0.056 200.3)
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 #684040, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.017
- Brownish Purple #76424E ΔE 0.036
- Mud Brown #60460F ΔE 0.071
- Chestnut #742802 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.079
- Red Brown #8B2E16 ΔE 0.081
- Milk Chocolate #7F4E1E ΔE 0.081
- Dark Mauve #874C62 ΔE 0.084
Use #684040 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.