#743540
Closest named color: Purple Brown (#673A3F). oklch(41.6% 0.089 10.8), rgb(116, 53, 64).
Aa
White text reads best on this color (9.02:1).
About this color
#743540 is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.089 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.028 away. White text reads best on it, at 9.02:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #743540 |
| RGB | rgb(116, 53, 64) |
| HSL | hsl(350, 37%, 33%) |
| OKLCH | oklch(41.6% 0.089 10.8) |
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 #743540 | 9.02:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #743540 | 2.32:1 | Fails | Lc 13.6 | Not readable |
| #743540 text on white | 9.02:1 | AAA | Lc 90.3 | Preferred for body text |
| #743540 text on black | 2.32:1 | Fails | Lc -11.9 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F4E6E7
oklch(93.6% 0.015 12.4)
-
Step 200
200
#EBD2D4
oklch(88.5% 0.028 12.2)
-
Step 300
300
#E0B3B8
oklch(80.8% 0.053 10.8)
-
Step 400
400
#CF8B94
oklch(70.7% 0.084 10.7)
-
Step 500
500
#C06D7A
oklch(63.1% 0.106 10.5)
-
Step 600
600
#AB5463
oklch(55.6% 0.115 10.7)
-
Step 700
700
#934452
oklch(49.2% 0.107 10.8)
-
Step 800
800 (this color)
#743540
oklch(41.6% 0.089 10.8)
-
Step 900
900
#613138
oklch(37.8% 0.07 11.7)
-
Step 950
950
#391D21
oklch(27% 0.044 11.3)
#743540 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) | #414140 | 0.098 |
| Deuteranopia (no green cones) | #514E3F | 0.091 |
| Tritanopia (no blue cones) | #7E2E39 | 0.023 |
| Achromatopsia (no color) | #494949 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #743540
#743540
oklch(41.6% 0.089 10.8)
- #005855
#005855
oklch(41.6% 0.072 190.8)
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 #743540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.028
- Brownish Purple #76424E ΔE 0.034
- Red Brown #8B2E16 ΔE 0.066
- Chestnut #742802 ΔE 0.067
- Wine Red #7B0323 ΔE 0.073
- Bordeaux #7B002C ΔE 0.074
- Red Wine #8C0034 ΔE 0.075
- Rust Brown #8B3103 ΔE 0.075
Use #743540 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.