#673B50
Closest named color: Purple Brown (#673A3F). oklch(41.3% 0.068 350.5), rgb(103, 59, 80).
Aa
White text reads best on this color (9.05:1).
About this color
#673B50 is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.068 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.027 away. White text reads best on it, at 9.05:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #673B50 |
| RGB | rgb(103, 59, 80) |
| HSL | hsl(331, 27%, 32%) |
| OKLCH | oklch(41.3% 0.068 350.5) |
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 #673B50 | 9.05:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #673B50 | 2.31:1 | Fails | Lc 13.3 | Not readable |
| #673B50 text on white | 9.05:1 | AAA | Lc 90.6 | Preferred for body text |
| #673B50 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EB
oklch(93.6% 0.011 348.4)
-
Step 200
200
#E5D3DB
oklch(88.4% 0.023 348.8)
-
Step 300
300
#D6B7C4
oklch(81% 0.039 350.8)
-
Step 400
400
#C091A6
oklch(70.8% 0.063 350.3)
-
Step 500
500
#B07590
oklch(63.2% 0.082 350.7)
-
Step 600
600
#9A5D7A
oklch(55.5% 0.088 350.4)
-
Step 700
700
#844C67
oklch(49.1% 0.083 350.3)
-
Step 800
800 (this color)
#673B50
oklch(41.3% 0.068 350.5)
-
Step 900
900
#573645
oklch(37.7% 0.052 351.1)
-
Step 950
950
#332029
oklch(27.1% 0.033 349.6)
#673B50 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) | #3F4451 | 0.074 |
| Deuteranopia (no green cones) | #4A4B4F | 0.067 |
| Tritanopia (no blue cones) | #6D3A42 | 0.025 |
| Achromatopsia (no color) | #494949 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673B50
#673B50
oklch(41.3% 0.068 350.5)
- #1B5746
#1B5746
oklch(41.3% 0.068 170.8)
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 #673B50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.027
- Brownish Purple #76424E ΔE 0.038
- Dark Mauve #874C62 ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.085
- Dusty Grape #545775 ΔE 0.088
- Red Purple #820747 ΔE 0.091
- Velvet #750851 ΔE 0.092
- Wine #80013F ΔE 0.093
Use #673B50 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.