#733331
Closest named color: Purple Brown (#673A3F). oklch(40.7% 0.091 23.7), rgb(115, 51, 49).
Aa
White text reads best on this color (9.34:1).
About this color
#733331 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.091 and its hue 24°. 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 9.34:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #733331 |
| RGB | rgb(115, 51, 49) |
| HSL | hsl(2, 40%, 32%) |
| OKLCH | oklch(40.7% 0.091 23.7) |
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 #733331 | 9.34:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #733331 | 2.24:1 | Fails | Lc 12.8 | Not readable |
| #733331 text on white | 9.34:1 | AAA | Lc 91.1 | Preferred for body text |
| #733331 text on black | 2.24:1 | Fails | Lc -11.2 | 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
#F4E6E5
oklch(93.6% 0.015 22.4)
-
Step 200
200
#ECD2D0
oklch(88.5% 0.029 23)
-
Step 300
300
#E1B4B0
oklch(80.9% 0.053 24.2)
-
Step 400
400
#D18C87
oklch(70.8% 0.085 24)
-
Step 500
500
#C36E69
oklch(63.2% 0.109 24.2)
-
Step 600
600
#AE5451
oklch(55.6% 0.118 23.6)
-
Step 700
700
#954442
oklch(49.1% 0.11 23.4)
-
Step 800
800 (this color)
#733331
oklch(40.7% 0.091 23.7)
-
Step 900
900
#62312F
oklch(37.7% 0.071 23.5)
-
Step 950
950
#3A1D1C
oklch(27% 0.046 22.6)
#733331 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) | #423E30 | 0.096 |
| Deuteranopia (no green cones) | #524C30 | 0.090 |
| Tritanopia (no blue cones) | #7E2933 | 0.029 |
| Achromatopsia (no color) | #474747 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733331
#733331
oklch(40.7% 0.091 23.7)
- #00545B
#00545B
oklch(40.7% 0.069 204.6)
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 #733331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.031
- Chestnut #742802 ΔE 0.045
- Brownish Purple #76424E ΔE 0.049
- Red Brown #8B2E16 ΔE 0.054
- Rust Brown #8B3103 ΔE 0.062
- Wine Red #7B0323 ΔE 0.067
- Brown Red #922B05 ΔE 0.070
- Brick Red #8F1402 ΔE 0.070
Use #733331 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.