#731738
Closest named color: Merlot (#730039). oklch(37.3% 0.127 4.6), rgb(115, 23, 56).
Aa
White text reads best on this color (11.00:1).
About this color
#731738 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.127 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.025 away. White text reads best on it, at 11.00:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #731738 |
| RGB | rgb(115, 23, 56) |
| HSL | hsl(338, 67%, 27%) |
| OKLCH | oklch(37.3% 0.127 4.6) |
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 #731738 | 11.00:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #731738 | 1.90:1 | Fails | Lc 9.6 | Not readable |
| #731738 text on white | 11.00:1 | AAA | Lc 94.3 | Preferred for body text |
| #731738 text on black | 1.90:1 | Fails | Lc -8.3 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F9CBD5
oklch(88.5% 0.053 3.6)
-
Step 300
300
#F6A7B9
oklch(81% 0.096 4.5)
-
Step 400
400
#ED7394
oklch(70.7% 0.153 4.7)
-
Step 500
500
#E3477A
oklch(63.1% 0.195 4.8)
-
Step 600
600
#CE1863
oklch(55.5% 0.212 4.7)
-
Step 700
700
#B20052
oklch(49.1% 0.197 4.8)
-
Step 800
800
#900D44
oklch(42.6% 0.163 4.2)
-
Step 900
900 (this color)
#731738
oklch(37.3% 0.127 4.6)
-
Step 950
950
#451121
oklch(27.1% 0.081 5.5)
#731738 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) | #2E3139 | 0.143 |
| Deuteranopia (no green cones) | #464336 | 0.130 |
| Tritanopia (no blue cones) | #7E0125 | 0.036 |
| Achromatopsia (no color) | #3C3C3C | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731738
#731738
oklch(37.3% 0.127 4.6)
- #004C45
#004C45
oklch(37.4% 0.066 184.4)
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 #731738, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.025
- Bordeaux #7B002C ΔE 0.026
- Wine #80013F ΔE 0.033
- Wine Red #7B0323 ΔE 0.034
- Red Purple #820747 ΔE 0.042
- Velvet #750851 ΔE 0.050
- Red Wine #8C0034 ΔE 0.053
- Claret #680018 ΔE 0.056
Use #731738 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.