#731B2B
Closest named color: Wine Red (#7B0323). oklch(37.4% 0.121 15.2), rgb(115, 27, 43).
Aa
White text reads best on this color (10.93:1).
About this color
#731B2B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.121 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.025 away. White text reads best on it, at 10.93:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Wine Red (#7B0323) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #731B2B |
| RGB | rgb(115, 27, 43) |
| HSL | hsl(349, 62%, 28%) |
| OKLCH | oklch(37.4% 0.121 15.2) |
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 #731B2B | 10.93:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #731B2B | 1.92:1 | Fails | Lc 9.7 | Not readable |
| #731B2B text on white | 10.93:1 | AAA | Lc 94.2 | Preferred for body text |
| #731B2B text on black | 1.92:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F9CCCE
oklch(88.5% 0.051 15.2)
-
Step 300
300
#F6A9AD
oklch(81% 0.091 15.9)
-
Step 400
400
#ED7783
oklch(70.8% 0.146 15.2)
-
Step 500
500
#E34C64
oklch(63.1% 0.186 15)
-
Step 600
600
#CE244B
oklch(55.6% 0.202 15.2)
-
Step 700
700
#B2113C
oklch(49.1% 0.188 15.3)
-
Step 800
800
#901632
oklch(42.7% 0.155 15.2)
-
Step 900
900 (this color)
#731B2B
oklch(37.4% 0.121 15.2)
-
Step 950
950
#44121A
oklch(26.9% 0.077 14.5)
#731B2B 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) | #33312B | 0.134 |
| Deuteranopia (no green cones) | #494329 | 0.122 |
| Tritanopia (no blue cones) | #7E0122 | 0.029 |
| Achromatopsia (no color) | #3D3D3D | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731B2B
#731B2B
oklch(37.4% 0.121 15.2)
- #004B4B
#004B4B
oklch(37.4% 0.064 194.8)
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 #731B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine Red #7B0323 ΔE 0.025
- Bordeaux #7B002C ΔE 0.029
- Reddy Brown #6E1005 ΔE 0.043
- Blood #770001 ΔE 0.044
- Merlot #730039 ΔE 0.044
- Maroon #800000 ΔE 0.047
- Claret #680018 ΔE 0.048
- Wine #80013F ΔE 0.050
Use #731B2B 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.