#733B3D
Closest named color: Purple Brown (#673A3F). oklch(42.4% 0.079 18.7), rgb(115, 59, 61).
Aa
White text reads best on this color (8.67:1).
About this color
#733B3D is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.079 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.025 away. White text reads best on it, at 8.67:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.42:1 |
| White text | 8.67:1 |
Values
| HEX | #733B3D |
| RGB | rgb(115, 59, 61) |
| HSL | hsl(358, 32%, 34%) |
| OKLCH | oklch(42.4% 0.079 18.7) |
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 #733B3D | 8.67:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #733B3D | 2.42:1 | Fails | Lc 14.5 | Not readable |
| #733B3D text on white | 8.67:1 | AAA | Lc 89.5 | Fine for body text |
| #733B3D text on black | 2.42:1 | Fails | Lc -12.8 | 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
#F3E6E6
oklch(93.5% 0.014 17.4)
-
Step 200
200
#EAD3D2
oklch(88.5% 0.026 20.6)
-
Step 300
300
#DDB5B5
oklch(80.8% 0.046 18.2)
-
Step 400
400
#CB8E8F
oklch(70.7% 0.075 18)
-
Step 500
500
#BC7273
oklch(63.2% 0.094 19.2)
-
Step 600
600
#A7595C
oklch(55.7% 0.102 18.5)
-
Step 700
700
#8F494B
oklch(49.2% 0.095 19.3)
-
Step 800
800 (this color)
#733B3D
oklch(42.4% 0.079 18.7)
-
Step 900
900
#5E3435
oklch(37.8% 0.061 18.8)
-
Step 950
950
#371E1F
oklch(26.9% 0.039 17.4)
#733B3D 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) | #47443D | 0.083 |
| Deuteranopia (no green cones) | #55503C | 0.078 |
| Tritanopia (no blue cones) | #7D343C | 0.024 |
| Achromatopsia (no color) | #4B4B4B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733B3D
#733B3D
oklch(42.4% 0.079 18.7)
- #005A5D
#005A5D
oklch(42.5% 0.072 198.7)
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 #733B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.025
- Brownish Purple #76424E ΔE 0.028
- Red Brown #8B2E16 ΔE 0.062
- Chestnut #742802 ΔE 0.065
- Rust Brown #8B3103 ΔE 0.069
- Dark Mauve #874C62 ΔE 0.076
- Brown Red #922B05 ΔE 0.077
- Saddle Brown #8B4513 ΔE 0.078
Use #733B3D 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.