#733540
Closest named color: Purple Brown (#673A3F). oklch(41.4% 0.088 10.6), rgb(115, 53, 64).
Aa
White text reads best on this color (9.08:1).
About this color
#733540 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.088 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.026 away. White text reads best on it, at 9.08:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.31:1 |
| White text | 9.08:1 |
Values
| HEX | #733540 |
| RGB | rgb(115, 53, 64) |
| HSL | hsl(349, 37%, 33%) |
| OKLCH | oklch(41.4% 0.088 10.6) |
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 #733540 | 9.08:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #733540 | 2.31:1 | Fails | Lc 13.5 | Not readable |
| #733540 text on white | 9.08:1 | AAA | Lc 90.5 | Preferred for body text |
| #733540 text on black | 2.31:1 | Fails | Lc -11.8 | 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
#DFB4B9
oklch(80.9% 0.05 10.4)
-
Step 400
400
#CE8B94
oklch(70.6% 0.083 10.6)
-
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
#924452
oklch(49% 0.106 10.6)
-
Step 800
800 (this color)
#733540
oklch(41.4% 0.088 10.6)
-
Step 900
900
#603139
oklch(37.6% 0.068 10.1)
-
Step 950
950
#391D21
oklch(27% 0.044 11.3)
#733540 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 | 0.096 |
| Deuteranopia (no green cones) | #514D3F | 0.088 |
| Tritanopia (no blue cones) | #7D2E39 | 0.023 |
| Achromatopsia (no color) | #484848 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733540
#733540
oklch(41.4% 0.088 10.6)
- #005854
#005854
oklch(41.5% 0.072 189.4)
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 #733540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.026
- Brownish Purple #76424E ΔE 0.035
- Chestnut #742802 ΔE 0.067
- Red Brown #8B2E16 ΔE 0.067
- Wine Red #7B0323 ΔE 0.074
- Bordeaux #7B002C ΔE 0.074
- Wine #80013F ΔE 0.076
- Red Wine #8C0034 ΔE 0.076
Use #733540 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.