#733440
Closest named color: Purple Brown (#673A3F). oklch(41.3% 0.089 9.9), rgb(115, 52, 64).
Aa
White text reads best on this color (9.15:1).
About this color
#733440 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.089 and its hue 10°. 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 9.15:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #733440 |
| RGB | rgb(115, 52, 64) |
| HSL | hsl(349, 38%, 33%) |
| OKLCH | oklch(41.3% 0.089 9.9) |
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 #733440 | 9.15:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #733440 | 2.29:1 | Fails | Lc 13.3 | Not readable |
| #733440 text on white | 9.15:1 | AAA | Lc 90.7 | Preferred for body text |
| #733440 text on black | 2.29:1 | Fails | Lc -11.6 | 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
#EBD2D5
oklch(88.5% 0.028 9.4)
-
Step 300
300
#E0B3B9
oklch(80.9% 0.053 9.3)
-
Step 400
400
#CF8B95
oklch(70.8% 0.084 9.8)
-
Step 500
500
#C06D7B
oklch(63.1% 0.106 9.8)
-
Step 600
600
#AB5364
oklch(55.5% 0.116 9.5)
-
Step 700
700
#934353
oklch(49.1% 0.109 9.4)
-
Step 800
800 (this color)
#733440
oklch(41.3% 0.089 9.9)
-
Step 900
900
#613139
oklch(37.8% 0.07 10.4)
-
Step 950
950
#391D21
oklch(27% 0.044 11.3)
#733440 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) | #404040 | 0.098 |
| Deuteranopia (no green cones) | #504D3F | 0.091 |
| Tritanopia (no blue cones) | #7D2D38 | 0.024 |
| Achromatopsia (no color) | #484848 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733440
#733440
oklch(41.3% 0.089 9.9)
- #005754
#005754
oklch(41.2% 0.071 190.7)
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 #733440, 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 0.037
- Chestnut #742802 ΔE 0.067
- Red Brown #8B2E16 ΔE 0.068
- Wine Red #7B0323 ΔE 0.072
- Bordeaux #7B002C ΔE 0.072
- Wine #80013F ΔE 0.073
- Red Purple #820747 ΔE 0.074
Use #733440 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.