#731B3F
Closest named color: Merlot (#730039). oklch(38% 0.125 0.4), rgb(115, 27, 63).
Aa
White text reads best on this color (10.72:1).
About this color
#731B3F is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.125 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.029 away. White text reads best on it, at 10.72:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #731B3F |
| RGB | rgb(115, 27, 63) |
| HSL | hsl(335, 62%, 28%) |
| OKLCH | oklch(38% 0.125 0.4) |
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 #731B3F | 10.72:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #731B3F | 1.95:1 | Fails | Lc 10.1 | Not readable |
| #731B3F text on white | 10.72:1 | AAA | Lc 93.8 | Preferred for body text |
| #731B3F text on black | 1.95:1 | Fails | Lc -8.7 | 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
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F8CBD7
oklch(88.4% 0.053 0.4)
-
Step 300
300
#F4A7BE
oklch(80.9% 0.095 360)
-
Step 400
400
#EA759C
oklch(70.8% 0.15 0.5)
-
Step 500
500
#E04984
oklch(63.1% 0.193 0.3)
-
Step 600
600
#CB1F6D
oklch(55.6% 0.209 0.6)
-
Step 700
700
#AF0B5B
oklch(49.1% 0.194 0.6)
-
Step 800
800
#8E124B
oklch(42.7% 0.161 0.2)
-
Step 900
900 (this color)
#731B3F
oklch(38% 0.125 0.4)
-
Step 950
950
#431125
oklch(26.9% 0.08 359.3)
#731B3F 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) | #2E3340 | 0.141 |
| Deuteranopia (no green cones) | #46443D | 0.127 |
| Tritanopia (no blue cones) | #7D0D2A | 0.038 |
| Achromatopsia (no color) | #3E3E3E | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731B3F
#731B3F
oklch(38% 0.125 0.4)
- #004E44
#004E44
oklch(38% 0.069 180.5)
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 #731B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.029
- Wine #80013F ΔE 0.032
- Bordeaux #7B002C ΔE 0.036
- Red Purple #820747 ΔE 0.037
- Velvet #750851 ΔE 0.042
- Wine Red #7B0323 ΔE 0.045
- Red Wine #8C0034 ΔE 0.055
- Rich Purple #720058 ΔE 0.059
Use #731B3F 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.