#733237
Closest named color: Purple Brown (#673A3F). oklch(40.7% 0.092 17.3), rgb(115, 50, 55).
Aa
White text reads best on this color (9.37:1).
About this color
#733237 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.092 and its hue 17°. 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 9.37:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.24:1 |
| White text | 9.37:1 |
Values
| HEX | #733237 |
| RGB | rgb(115, 50, 55) |
| HSL | hsl(355, 39%, 32%) |
| OKLCH | oklch(40.7% 0.092 17.3) |
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 #733237 | 9.37:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #733237 | 2.24:1 | Fails | Lc 12.8 | Not readable |
| #733237 text on white | 9.37:1 | AAA | Lc 91.2 | Preferred for body text |
| #733237 text on black | 2.24:1 | Fails | Lc -11.1 | 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
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#ECD2D2
oklch(88.5% 0.029 17.7)
-
Step 300
300
#E1B3B4
oklch(80.8% 0.054 16.9)
-
Step 400
400
#D18B8D
oklch(70.8% 0.086 17.6)
-
Step 500
500
#C36C71
oklch(63.1% 0.111 17.1)
-
Step 600
600
#AE5359
oklch(55.6% 0.119 17.7)
-
Step 700
700
#954349
oklch(49.1% 0.11 17.6)
-
Step 800
800 (this color)
#733237
oklch(40.7% 0.092 17.3)
-
Step 900
900
#623133
oklch(37.8% 0.071 18.4)
-
Step 950
950
#3A1D1E
oklch(27.1% 0.046 18.3)
#733237 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) | #403E37 | 0.100 |
| Deuteranopia (no green cones) | #514B36 | 0.090 |
| Tritanopia (no blue cones) | #7D2934 | 0.025 |
| Achromatopsia (no color) | #464646 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733237
#733237
oklch(40.7% 0.092 17.3)
- #005557
#005557
oklch(40.8% 0.069 197.5)
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 #733237, 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 0.046
- Chestnut #742802 ΔE 0.054
- Red Brown #8B2E16 ΔE 0.060
- Wine Red #7B0323 ΔE 0.065
- Bordeaux #7B002C ΔE 0.068
- Rust Brown #8B3103 ΔE 0.069
- Red Wine #8C0034 ΔE 0.073
Use #733237 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.