#731D3A
Closest named color: Bordeaux (#7B002C). oklch(38% 0.121 4.7), rgb(115, 29, 58).
Aa
White text reads best on this color (10.68:1).
About this color
#731D3A is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.121 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Bordeaux (#7B002C), ΔE 0.032 away. White text reads best on it, at 10.68:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Bordeaux (#7B002C) |
| Black text | 1.96:1 |
| White text | 10.68:1 |
Values
| HEX | #731D3A |
| RGB | rgb(115, 29, 58) |
| HSL | hsl(340, 60%, 28%) |
| OKLCH | oklch(38% 0.121 4.7) |
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 #731D3A | 10.68:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #731D3A | 1.96:1 | Fails | Lc 10.1 | Not readable |
| #731D3A text on white | 10.68:1 | AAA | Lc 93.8 | Preferred for body text |
| #731D3A text on black | 1.96:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E7
oklch(93.6% 0.026 5.7)
-
Step 200
200
#F8CCD5
oklch(88.6% 0.051 4.4)
-
Step 300
300
#F3A8B9
oklch(80.8% 0.091 4.4)
-
Step 400
400
#EA7695
oklch(70.7% 0.146 4.6)
-
Step 500
500
#DF4C7B
oklch(63% 0.186 4.6)
-
Step 600
600
#CB2564
oklch(55.7% 0.202 4.8)
-
Step 700
700
#AF1353
oklch(49.2% 0.188 4.8)
-
Step 800
800
#8E1644
oklch(42.7% 0.156 4.7)
-
Step 900
900 (this color)
#731D3A
oklch(38% 0.121 4.7)
-
Step 950
950
#431222
oklch(26.9% 0.077 3.8)
#731D3A 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) | #31333B | 0.135 |
| Deuteranopia (no green cones) | #474438 | 0.123 |
| Tritanopia (no blue cones) | #7D0E29 | 0.032 |
| Achromatopsia (no color) | #3E3E3E | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731D3A
#731D3A
oklch(38% 0.121 4.7)
- #004E47
#004E47
oklch(38.1% 0.067 184.6)
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 #731D3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bordeaux #7B002C ΔE 0.032
- Merlot #730039 ΔE 0.033
- Wine #80013F ΔE 0.037
- Wine Red #7B0323 ΔE 0.038
- Red Purple #820747 ΔE 0.043
- Velvet #750851 ΔE 0.052
- Red Wine #8C0034 ΔE 0.053
- Claret #680018 ΔE 0.062
Use #731D3A 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.