#733B33
Closest named color: Purple Brown (#673A3F). oklch(42.1% 0.08 29.4), rgb(115, 59, 51).
Aa
White text reads best on this color (8.74:1).
About this color
#733B33 is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.080 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.031 away. White text reads best on it, at 8.74:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #733B33 |
| RGB | rgb(115, 59, 51) |
| HSL | hsl(8, 39%, 33%) |
| OKLCH | oklch(42.1% 0.08 29.4) |
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 #733B33 | 8.74:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #733B33 | 2.40:1 | Fails | Lc 14.3 | Not readable |
| #733B33 text on white | 8.74:1 | AAA | Lc 89.6 | Fine for body text |
| #733B33 text on black | 2.40:1 | Fails | Lc -12.6 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E5
oklch(93.7% 0.013 28.9)
-
Step 200
200
#EAD3CF
oklch(88.5% 0.026 29.4)
-
Step 300
300
#DDB6AF
oklch(80.9% 0.046 30)
-
Step 400
400
#CB8F85
oklch(70.6% 0.075 29.6)
-
Step 500
500
#BD7267
oklch(63.1% 0.097 29)
-
Step 600
600
#A85A4F
oklch(55.7% 0.104 29.2)
-
Step 700
700
#90493F
oklch(49.1% 0.098 29.4)
-
Step 800
800 (this color)
#733B33
oklch(42.1% 0.08 29.4)
-
Step 900
900
#5F342E
oklch(37.8% 0.063 28.8)
-
Step 950
950
#381F1B
oklch(27.1% 0.04 29.7)
#733B33 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) | #484432 | 0.083 |
| Deuteranopia (no green cones) | #564F32 | 0.075 |
| Tritanopia (no blue cones) | #7D3239 | 0.031 |
| Achromatopsia (no color) | #4B4B4B | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733B33
#733B33
oklch(42.1% 0.08 29.4)
- #005863
#005863
oklch(42.2% 0.073 209.4)
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 #733B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.031
- Brownish Purple #76424E ΔE 0.040
- Chestnut #742802 ΔE 0.054
- Red Brown #8B2E16 ΔE 0.054
- Rust Brown #8B3103 ΔE 0.059
- Saddle Brown #8B4513 ΔE 0.069
- Milk Chocolate #7F4E1E ΔE 0.069
- Brown Red #922B05 ΔE 0.070
Use #733B33 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.