#733D39
Closest named color: Purple Brown (#673A3F). oklch(42.6% 0.076 25.2), rgb(115, 61, 57).
Aa
White text reads best on this color (8.55:1).
About this color
#733D39 is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.076 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 8.55:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #733D39 |
| RGB | rgb(115, 61, 57) |
| HSL | hsl(4, 34%, 34%) |
| OKLCH | oklch(42.6% 0.076 25.2) |
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 #733D39 | 8.55:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #733D39 | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #733D39 text on white | 8.55:1 | AAA | Lc 89.1 | Fine for body text |
| #733D39 text on black | 2.45:1 | Fails | Lc -13.1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E5
oklch(93.6% 0.012 29.9)
-
Step 200
200
#E9D3D1
oklch(88.4% 0.025 23.9)
-
Step 300
300
#DCB6B2
oklch(80.9% 0.044 25.1)
-
Step 400
400
#CA908A
oklch(70.8% 0.072 25.6)
-
Step 500
500
#BA736D
oklch(63% 0.091 25.2)
-
Step 600
600
#A65B55
oklch(55.7% 0.099 25.5)
-
Step 700
700
#8E4A45
oklch(49.1% 0.093 25.4)
-
Step 800
800 (this color)
#733D39
oklch(42.6% 0.076 25.2)
-
Step 900
900
#5D3531
oklch(37.7% 0.058 26.3)
-
Step 950
950
#371F1D
oklch(27% 0.038 25)
#733D39 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) | #494638 | 0.080 |
| Deuteranopia (no green cones) | #565138 | 0.075 |
| Tritanopia (no blue cones) | #7D353C | 0.027 |
| Achromatopsia (no color) | #4C4C4C | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733D39
#733D39
oklch(42.6% 0.076 25.2)
- #005A62
#005A62
oklch(42.7% 0.073 205.3)
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 #733D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Brownish Purple #76424E ΔE 0.032
- Red Brown #8B2E16 ΔE 0.059
- Chestnut #742802 ΔE 0.062
- Rust Brown #8B3103 ΔE 0.064
- Milk Chocolate #7F4E1E ΔE 0.070
- Saddle Brown #8B4513 ΔE 0.070
- Brown Red #922B05 ΔE 0.074
Use #733D39 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.