#731D51
Closest named color: Velvet (#750851). oklch(38.9% 0.131 347.8), rgb(115, 29, 81).
Aa
White text reads best on this color (10.37:1).
About this color
#731D51 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.131 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.024 away. White text reads best on it, at 10.37:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #731D51 |
| RGB | rgb(115, 29, 81) |
| HSL | hsl(324, 60%, 28%) |
| OKLCH | oklch(38.9% 0.131 347.8) |
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 #731D51 | 10.37:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #731D51 | 2.02:1 | Fails | Lc 10.8 | Not readable |
| #731D51 text on white | 10.37:1 | AAA | Lc 93.1 | Preferred for body text |
| #731D51 text on black | 2.02:1 | Fails | Lc -9.4 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F6CBE0
oklch(88.5% 0.055 347.3)
-
Step 300
300
#F1A7CC
oklch(81% 0.098 348.1)
-
Step 400
400
#E674B2
oklch(70.8% 0.157 348)
-
Step 500
500
#DA489F
oklch(63.1% 0.201 347.7)
-
Step 600
600
#C61C8A
oklch(55.7% 0.22 347.8)
-
Step 700
700
#AA0675
oklch(49.1% 0.204 347.7)
-
Step 800
800
#8A105F
oklch(42.7% 0.168 347.8)
-
Step 900
900 (this color)
#731D51
oklch(38.9% 0.131 347.8)
-
Step 950
950
#42112E
oklch(27.1% 0.084 347.6)
#731D51 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) | #293652 | 0.146 |
| Deuteranopia (no green cones) | #42454F | 0.128 |
| Tritanopia (no blue cones) | #7B1A34 | 0.052 |
| Achromatopsia (no color) | #404040 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731D51
#731D51
oklch(38.9% 0.131 347.8)
- #00523C
#00523C
oklch(38.9% 0.079 167.4)
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 #731D51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.024
- Red Purple #820747 ΔE 0.037
- Rich Purple #720058 ΔE 0.038
- Wine #80013F ΔE 0.042
- Merlot #730039 ΔE 0.045
- Grape Purple #5D1451 ΔE 0.055
- Bordeaux #7B002C ΔE 0.061
- Mulberry #920A4E ΔE 0.065
Use #731D51 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.