#731F45
Closest named color: Wine (#80013F). oklch(38.6% 0.122 356.8), rgb(115, 31, 69).
Aa
White text reads best on this color (10.44:1).
About this color
#731F45 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.122 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Wine (#80013F), ΔE 0.036 away. White text reads best on it, at 10.44:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Wine (#80013F) |
| Black text | 2.01:1 |
| White text | 10.44:1 |
Values
| HEX | #731F45 |
| RGB | rgb(115, 31, 69) |
| HSL | hsl(333, 58%, 29%) |
| OKLCH | oklch(38.6% 0.122 356.8) |
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 #731F45 | 10.44:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #731F45 | 2.01:1 | Fails | Lc 10.6 | Not readable |
| #731F45 text on white | 10.44:1 | AAA | Lc 93.3 | Preferred for body text |
| #731F45 text on black | 2.01:1 | Fails | Lc -9.2 | 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 900.
-
Step 50
50
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F6CCDA
oklch(88.5% 0.051 356.2)
-
Step 300
300
#F1A8C2
oklch(80.9% 0.092 356.3)
-
Step 400
400
#E776A2
oklch(70.7% 0.147 356.9)
-
Step 500
500
#DC4C8B
oklch(63.1% 0.188 356.9)
-
Step 600
600
#C72575
oklch(55.5% 0.204 356.9)
-
Step 700
700
#AC1463
oklch(49.2% 0.19 356.7)
-
Step 800
800
#8B1750
oklch(42.6% 0.156 357)
-
Step 900
900 (this color)
#731F45
oklch(38.6% 0.122 356.8)
-
Step 950
950
#421227
oklch(26.9% 0.078 356.6)
#731F45 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) | #2F3646 | 0.137 |
| Deuteranopia (no green cones) | #464543 | 0.122 |
| Tritanopia (no blue cones) | #7D162F | 0.040 |
| Achromatopsia (no color) | #404040 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731F45
#731F45
oklch(38.6% 0.122 356.8)
- #005043
#005043
oklch(38.6% 0.072 176.9)
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 #731F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine #80013F ΔE 0.036
- Merlot #730039 ΔE 0.036
- Red Purple #820747 ΔE 0.037
- Velvet #750851 ΔE 0.039
- Bordeaux #7B002C ΔE 0.045
- Wine Red #7B0323 ΔE 0.054
- Rich Purple #720058 ΔE 0.055
- Red Wine #8C0034 ΔE 0.058
Use #731F45 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.