#731B3C
Closest named color: Merlot (#730039). oklch(37.8% 0.124 2.6), rgb(115, 27, 60).
Aa
White text reads best on this color (10.76:1).
About this color
#731B3C is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.124 and its hue 3°. 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 10.76:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #731B3C |
| RGB | rgb(115, 27, 60) |
| HSL | hsl(338, 62%, 28%) |
| OKLCH | oklch(37.8% 0.124 2.6) |
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 #731B3C | 10.76:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #731B3C | 1.95:1 | Fails | Lc 10.0 | Not readable |
| #731B3C text on white | 10.76:1 | AAA | Lc 93.9 | Preferred for body text |
| #731B3C text on black | 1.95:1 | Fails | Lc -8.6 | 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
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F8CCD6
oklch(88.6% 0.051 2.9)
-
Step 300
300
#F4A7BB
oklch(80.8% 0.094 2.4)
-
Step 400
400
#EA7598
oklch(70.7% 0.148 2.7)
-
Step 500
500
#E04A7F
oklch(63.1% 0.19 2.7)
-
Step 600
600
#CB2068
oklch(55.5% 0.207 2.7)
-
Step 700
700
#AF0C57
oklch(49% 0.192 2.5)
-
Step 800
800
#8E1347
oklch(42.6% 0.159 2.6)
-
Step 900
900 (this color)
#731B3C
oklch(37.8% 0.124 2.6)
-
Step 950
950
#441223
oklch(27.1% 0.079 3)
#731B3C 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) | #2F333D | 0.139 |
| Deuteranopia (no green cones) | #46443A | 0.127 |
| Tritanopia (no blue cones) | #7D0B29 | 0.035 |
| Achromatopsia (no color) | #3E3E3E | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731B3C
#731B3C
oklch(37.8% 0.124 2.6)
- #004D45
#004D45
oklch(37.7% 0.067 183.1)
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 #731B3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.029
- Bordeaux #7B002C ΔE 0.032
- Wine #80013F ΔE 0.034
- Red Purple #820747 ΔE 0.040
- Wine Red #7B0323 ΔE 0.040
- Velvet #750851 ΔE 0.047
- Red Wine #8C0034 ΔE 0.054
- Claret #680018 ΔE 0.063
Use #731B3C 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.