#673140
Closest named color: Purple Brown (#673A3F). oklch(38.9% 0.079 3.8), rgb(103, 49, 64).
Aa
White text reads best on this color (10.04:1).
About this color
#673140 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.079 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.025 away. White text reads best on it, at 10.04:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #673140 |
| RGB | rgb(103, 49, 64) |
| HSL | hsl(343, 36%, 30%) |
| OKLCH | oklch(38.9% 0.079 3.8) |
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 #673140 | 10.04:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #673140 | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #673140 text on white | 10.04:1 | AAA | Lc 93.0 | Preferred for body text |
| #673140 text on black | 2.09:1 | Fails | Lc -9.5 | 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
#F5E5E8
oklch(93.5% 0.018 4.5)
-
Step 200
200
#EDD1D6
oklch(88.5% 0.032 5.6)
-
Step 300
300
#E3B1BC
oklch(80.9% 0.06 3.8)
-
Step 400
400
#D3879A
oklch(70.7% 0.096 3.6)
-
Step 500
500
#C56881
oklch(63.1% 0.121 4)
-
Step 600
600
#B04D6B
oklch(55.5% 0.132 3.4)
-
Step 700
700
#973E59
oklch(49.1% 0.122 3.7)
-
Step 800
800
#7B3449
oklch(42.8% 0.101 3.8)
-
Step 900
900 (this color)
#673140
oklch(38.9% 0.079 3.8)
-
Step 950
950
#3A1B24
oklch(26.9% 0.05 2.5)
#673140 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) | #3A3C40 | 0.087 |
| Deuteranopia (no green cones) | #48463F | 0.080 |
| Tritanopia (no blue cones) | #6F2C36 | 0.022 |
| Achromatopsia (no color) | #424242 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673140
#673140
oklch(38.9% 0.079 3.8)
- #005149
#005149
oklch(39.1% 0.069 183.5)
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 #673140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.025
- Brownish Purple #76424E ΔE 0.057
- Chestnut #742802 ΔE 0.072
- Bordeaux #7B002C ΔE 0.073
- Merlot #730039 ΔE 0.073
- Wine Red #7B0323 ΔE 0.074
- Wine #80013F ΔE 0.077
- Red Purple #820747 ΔE 0.079
Use #673140 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.