#683B2C
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.068 39.2), rgb(104, 59, 44).
Aa
White text reads best on this color (9.33:1).
About this color
#683B2C is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.068 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.030 away. White text reads best on it, at 9.33:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.33:1 |
Values
| HEX | #683B2C |
| RGB | rgb(104, 59, 44) |
| HSL | hsl(15, 41%, 29%) |
| OKLCH | oklch(40.4% 0.068 39.2) |
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 #683B2C | 9.33:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #683B2C | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #683B2C text on white | 9.33:1 | AAA | Lc 91.3 | Preferred for body text |
| #683B2C text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E4
oklch(93.5% 0.012 37.4)
-
Step 200
200
#E7D5CE
oklch(88.6% 0.022 42.6)
-
Step 300
300
#D9B8AE
oklch(80.8% 0.041 37.5)
-
Step 400
400
#C49383
oklch(70.6% 0.064 38.8)
-
Step 500
500
#B57864
oklch(63.1% 0.083 38.9)
-
Step 600
600
#A0604B
oklch(55.6% 0.09 38.9)
-
Step 700
700
#884F3C
oklch(49% 0.083 39.2)
-
Step 800
800 (this color)
#683B2C
oklch(40.4% 0.068 39.2)
-
Step 900
900
#5A382C
oklch(37.8% 0.053 40.2)
-
Step 950
950
#35211A
oklch(27.1% 0.034 40.1)
#683B2C 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) | #46412B | 0.065 |
| Deuteranopia (no green cones) | #514A2B | 0.059 |
| Tritanopia (no blue cones) | #713337 | 0.035 |
| Achromatopsia (no color) | #474747 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683B2C
#683B2C
oklch(40.4% 0.068 39.2)
- #0C5162
#0C5162
oklch(40.4% 0.069 219.6)
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 #683B2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.030
- Chestnut #742802 ΔE 0.050
- Mud Brown #60460F ΔE 0.054
- Brownish Purple #76424E ΔE 0.059
- Red Brown #8B2E16 ΔE 0.071
- Rust Brown #8B3103 ΔE 0.073
- Milk Chocolate #7F4E1E ΔE 0.077
- Saddle Brown #8B4513 ΔE 0.082
Use #683B2C 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.