#731F47
Closest named color: Red Purple (#820747). oklch(38.7% 0.123 355.3), rgb(115, 31, 71).
Aa
White text reads best on this color (10.41:1).
About this color
#731F47 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.123 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.036 away. White text reads best on it, at 10.41:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #731F47 |
| RGB | rgb(115, 31, 71) |
| HSL | hsl(331, 58%, 29%) |
| OKLCH | oklch(38.7% 0.123 355.3) |
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 #731F47 | 10.41:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #731F47 | 2.01:1 | Fails | Lc 10.7 | Not readable |
| #731F47 text on white | 10.41:1 | AAA | Lc 93.3 | Preferred for body text |
| #731F47 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE3EB
oklch(93.7% 0.027 354.5)
-
Step 200
200
#F6CCDB
oklch(88.5% 0.051 354.7)
-
Step 300
300
#F1A8C3
oklch(80.9% 0.092 355.5)
-
Step 400
400
#E776A5
oklch(70.8% 0.148 355.3)
-
Step 500
500
#DC4C8F
oklch(63.2% 0.189 355.2)
-
Step 600
600
#C72579
oklch(55.7% 0.206 355.2)
-
Step 700
700
#AB1365
oklch(49% 0.191 355.5)
-
Step 800
800
#8B1653
oklch(42.7% 0.158 355.1)
-
Step 900
900 (this color)
#731F47
oklch(38.7% 0.123 355.3)
-
Step 950
950
#421228
oklch(27% 0.078 355.3)
#731F47 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) | #2E3648 | 0.138 |
| Deuteranopia (no green cones) | #464545 | 0.122 |
| Tritanopia (no blue cones) | #7C1730 | 0.040 |
| Achromatopsia (no color) | #404040 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731F47
#731F47
oklch(38.7% 0.123 355.3)
- #005042
#005042
oklch(38.5% 0.072 175.7)
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 #731F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.036
- Wine #80013F ΔE 0.036
- Velvet #750851 ΔE 0.037
- Merlot #730039 ΔE 0.037
- Bordeaux #7B002C ΔE 0.047
- Rich Purple #720058 ΔE 0.053
- Wine Red #7B0323 ΔE 0.057
- Red Wine #8C0034 ΔE 0.060
Use #731F47 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.