#731E3A
Closest named color: Bordeaux (#7B002C). oklch(38.1% 0.12 5), rgb(115, 30, 58).
Aa
White text reads best on this color (10.62:1).
About this color
#731E3A is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.120 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Bordeaux (#7B002C), ΔE 0.033 away. White text reads best on it, at 10.62:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Bordeaux (#7B002C) |
| Black text | 1.97:1 |
| White text | 10.62:1 |
Values
| HEX | #731E3A |
| RGB | rgb(115, 30, 58) |
| HSL | hsl(340, 59%, 28%) |
| OKLCH | oklch(38.1% 0.12 5) |
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 #731E3A | 10.62:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #731E3A | 1.97:1 | Fails | Lc 10.2 | Not readable |
| #731E3A text on white | 10.62:1 | AAA | Lc 93.7 | Preferred for body text |
| #731E3A text on black | 1.97:1 | Fails | Lc -8.8 | 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
#F7CCD5
oklch(88.5% 0.05 4.1)
-
Step 300
300
#F3A8B9
oklch(80.8% 0.091 4.4)
-
Step 400
400
#E97795
oklch(70.7% 0.143 4.7)
-
Step 500
500
#DF4D7B
oklch(63.1% 0.184 4.8)
-
Step 600
600
#CA2764
oklch(55.7% 0.2 4.8)
-
Step 700
700
#AE1553
oklch(49.1% 0.186 4.7)
-
Step 800
800
#8D1744
oklch(42.6% 0.154 4.6)
-
Step 900
900 (this color)
#731E3A
oklch(38.1% 0.12 5)
-
Step 950
950
#431321
oklch(27% 0.075 5.7)
#731E3A 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) | #31343B | 0.135 |
| Deuteranopia (no green cones) | #484538 | 0.123 |
| Tritanopia (no blue cones) | #7D0F29 | 0.032 |
| Achromatopsia (no color) | #3E3E3E | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731E3A
#731E3A
oklch(38.1% 0.12 5)
- #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 #731E3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bordeaux #7B002C ΔE 0.033
- Merlot #730039 ΔE 0.035
- Wine #80013F ΔE 0.038
- Wine Red #7B0323 ΔE 0.039
- Red Purple #820747 ΔE 0.044
- Red Wine #8C0034 ΔE 0.054
- Velvet #750851 ΔE 0.054
- Purple Brown #673A3F ΔE 0.062
Use #731E3A 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.