#683B4C
Closest named color: Purple Brown (#673A3F). oklch(41.3% 0.067 356.3), rgb(104, 59, 76).
Aa
White text reads best on this color (9.05:1).
About this color
#683B4C is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.067 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.021 away. White text reads best on it, at 9.05:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #683B4C |
| RGB | rgb(104, 59, 76) |
| HSL | hsl(337, 28%, 32%) |
| OKLCH | oklch(41.3% 0.067 356.3) |
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 #683B4C | 9.05:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #683B4C | 2.31:1 | Fails | Lc 13.3 | Not readable |
| #683B4C text on white | 9.05:1 | AAA | Lc 90.6 | Preferred for body text |
| #683B4C text on black | 2.31:1 | Fails | Lc -11.7 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E6D3D9
oklch(88.4% 0.022 356.4)
-
Step 300
300
#D7B7C1
oklch(81% 0.039 357.2)
-
Step 400
400
#C191A2
oklch(70.7% 0.062 355.7)
-
Step 500
500
#B1758B
oklch(63.1% 0.08 356)
-
Step 600
600
#9C5D75
oklch(55.6% 0.088 356)
-
Step 700
700
#854C62
oklch(49% 0.082 355.9)
-
Step 800
800 (this color)
#683B4C
oklch(41.3% 0.067 356.3)
-
Step 900
900
#583642
oklch(37.8% 0.052 357.1)
-
Step 950
950
#342027
oklch(27.2% 0.033 356.9)
#683B4C 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) | #41444D | 0.072 |
| Deuteranopia (no green cones) | #4C4C4B | 0.068 |
| Tritanopia (no blue cones) | #6F3941 | 0.021 |
| Achromatopsia (no color) | #494949 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683B4C
#683B4C
oklch(41.3% 0.067 356.3)
- #17574A
#17574A
oklch(41.3% 0.067 176.3)
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 #683B4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.021
- Brownish Purple #76424E ΔE 0.035
- Dark Mauve #874C62 ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.084
- Chestnut #742802 ΔE 0.087
- Dusty Grape #545775 ΔE 0.091
- Red Purple #820747 ΔE 0.091
- Wine #80013F ΔE 0.093
Use #683B4C 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.