#673542
Closest named color: Purple Brown (#673A3F). oklch(39.7% 0.073 4.3), rgb(103, 53, 66).
Aa
White text reads best on this color (9.70:1).
About this color
#673542 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.073 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.016 away. White text reads best on it, at 9.70:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #673542 |
| RGB | rgb(103, 53, 66) |
| HSL | hsl(344, 32%, 31%) |
| OKLCH | oklch(39.7% 0.073 4.3) |
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 #673542 | 9.70:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #673542 | 2.16:1 | Fails | Lc 11.7 | Not readable |
| #673542 text on white | 9.70:1 | AAA | Lc 92.2 | Preferred for body text |
| #673542 text on black | 2.16:1 | Fails | Lc -10.2 | 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 900.
-
Step 50
50
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F4E6E8
oklch(93.7% 0.015 7.5)
-
Step 200
200
#ECD1D6
oklch(88.4% 0.031 5.1)
-
Step 300
300
#E0B3BC
oklch(80.9% 0.053 4.9)
-
Step 400
400
#CF8A9A
oklch(70.7% 0.086 4.4)
-
Step 500
500
#C16B81
oklch(63.1% 0.112 4.4)
-
Step 600
600
#AC516B
oklch(55.5% 0.122 3.8)
-
Step 700
700
#944259
oklch(49.2% 0.113 4.5)
-
Step 800
800
#783649
oklch(42.6% 0.094 3.8)
-
Step 900
900 (this color)
#673542
oklch(39.7% 0.073 4.3)
-
Step 950
950
#391C24
oklch(26.9% 0.047 3)
#673542 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) | #3D3E42 | 0.080 |
| Deuteranopia (no green cones) | #4A4841 | 0.074 |
| Tritanopia (no blue cones) | #6F313A | 0.020 |
| Achromatopsia (no color) | #444444 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673542
#673542
oklch(39.7% 0.073 4.3)
- #00534B
#00534B
oklch(39.7% 0.07 183.8)
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 #673542, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.016
- Brownish Purple #76424E ΔE 0.049
- Chestnut #742802 ΔE 0.073
- Bordeaux #7B002C ΔE 0.081
- Wine Red #7B0323 ΔE 0.081
- Merlot #730039 ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.083
- Wine #80013F ΔE 0.084
Use #673542 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.