#684537
Closest named color: Purple Brown (#673A3F). oklch(42.6% 0.054 42.6), rgb(104, 69, 55).
Aa
White text reads best on this color (8.41:1).
About this color
#684537 is a dark, muted brown. In OKLCH its lightness is 43%, its chroma 0.054 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.038 away. White text reads best on it, at 8.41:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #684537 |
| RGB | rgb(104, 69, 55) |
| HSL | hsl(17, 31%, 31%) |
| OKLCH | oklch(42.6% 0.054 42.6) |
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 #684537 | 8.41:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #684537 | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #684537 text on white | 8.41:1 | AAA | Lc 88.9 | Fine for body text |
| #684537 text on black | 2.49:1 | Fails | Lc -13.3 | 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
#E4D6D0
oklch(88.6% 0.018 44.8)
-
Step 300
300
#D3BBB1
oklch(81% 0.031 44)
-
Step 400
400
#BD9788
oklch(70.7% 0.051 42.6)
-
Step 500
500
#AB7D6B
oklch(63.1% 0.063 42.3)
-
Step 600
600
#966652
oklch(55.6% 0.069 43.5)
-
Step 700
700
#805443
oklch(49% 0.065 41.9)
-
Step 800
800 (this color)
#684537
oklch(42.6% 0.054 42.6)
-
Step 900
900
#553A30
oklch(37.7% 0.042 41.2)
-
Step 950
950
#32221C
oklch(27% 0.027 41.4)
#684537 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) | #4E4936 | 0.048 |
| Deuteranopia (no green cones) | #565037 | 0.044 |
| Tritanopia (no blue cones) | #703F41 | 0.030 |
| Achromatopsia (no color) | #4D4D4D | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684537
#684537
oklch(42.6% 0.054 42.6)
- #2A5564
#2A5564
oklch(42.5% 0.054 223.1)
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 #684537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.038
- Brownish Purple #76424E ΔE 0.048
- Mud Brown #60460F ΔE 0.051
- Milk Chocolate #7F4E1E ΔE 0.062
- Medium Brown #7F5112 ΔE 0.073
- Chestnut #742802 ΔE 0.074
- Saddle Brown #8B4513 ΔE 0.074
- Olive Brown #645403 ΔE 0.076
Use #684537 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.