#683B3A
Closest named color: Purple Brown (#673A3F). oklch(40.7% 0.064 21.6), rgb(104, 59, 58).
Aa
White text reads best on this color (9.22:1).
About this color
#683B3A is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.064 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.010 away. White text reads best on it, at 9.22:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #683B3A |
| RGB | rgb(104, 59, 58) |
| HSL | hsl(1, 28%, 32%) |
| OKLCH | oklch(40.7% 0.064 21.6) |
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 #683B3A | 9.22:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #683B3A | 2.27:1 | Fails | Lc 12.9 | Not readable |
| #683B3A text on white | 9.22:1 | AAA | Lc 91.1 | Preferred for body text |
| #683B3A text on black | 2.27:1 | Fails | Lc -11.3 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E7D4D3
oklch(88.5% 0.021 21.2)
-
Step 300
300
#D8B8B6
oklch(81% 0.037 22.2)
-
Step 400
400
#C39290
oklch(70.6% 0.06 21.4)
-
Step 500
500
#B37775
oklch(63.1% 0.076 21.5)
-
Step 600
600
#9E5F5E
oklch(55.6% 0.083 21)
-
Step 700
700
#874E4D
oklch(49% 0.077 21.3)
-
Step 800
800 (this color)
#683B3A
oklch(40.7% 0.064 21.6)
-
Step 900
900
#593736
oklch(37.7% 0.049 21.5)
-
Step 950
950
#342020
oklch(26.9% 0.031 19.3)
#683B3A 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) | #44423A | 0.068 |
| Deuteranopia (no green cones) | #4F4B39 | 0.063 |
| Tritanopia (no blue cones) | #70353B | 0.021 |
| Achromatopsia (no color) | #474747 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683B3A
#683B3A
oklch(40.7% 0.064 21.6)
- #0F5458
#0F5458
oklch(40.8% 0.064 200.9)
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 #683B3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.010
- Brownish Purple #76424E ΔE 0.044
- Chestnut #742802 ΔE 0.063
- Mud Brown #60460F ΔE 0.071
- Red Brown #8B2E16 ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.079
- Rust Brown #8B3103 ΔE 0.082
- Milk Chocolate #7F4E1E ΔE 0.087
Use #683B3A 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.