#731D23
Closest named color: Wine Red (#7B0323). oklch(37.4% 0.119 21.4), rgb(115, 29, 35).
Aa
White text reads best on this color (10.88:1).
About this color
#731D23 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.119 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.029 away. White text reads best on it, at 10.88:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Wine Red (#7B0323) |
| Black text | 1.92:1 |
| White text | 10.88:1 |
Values
| HEX | #731D23 |
| RGB | rgb(115, 29, 35) |
| HSL | hsl(356, 60%, 28%) |
| OKLCH | oklch(37.4% 0.119 21.4) |
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 #731D23 | 10.88:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #731D23 | 1.92:1 | Fails | Lc 9.7 | Not readable |
| #731D23 text on white | 10.88:1 | AAA | Lc 94.2 | Preferred for body text |
| #731D23 text on black | 1.92:1 | Fails | Lc -8.4 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE4E2
oklch(93.7% 0.025 23.6)
-
Step 200
200
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F5AAA7
oklch(80.9% 0.089 21.8)
-
Step 400
400
#EC7978
oklch(70.7% 0.142 21.8)
-
Step 500
500
#E34F56
oklch(63.1% 0.183 21.4)
-
Step 600
600
#CE293B
oklch(55.6% 0.199 21.6)
-
Step 700
700
#B2172E
oklch(49.1% 0.185 21.3)
-
Step 800
800
#901927
oklch(42.7% 0.153 21.2)
-
Step 900
900 (this color)
#731D23
oklch(37.4% 0.119 21.4)
-
Step 950
950
#441315
oklch(26.9% 0.076 21.4)
#731D23 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) | #353123 | 0.130 |
| Deuteranopia (no green cones) | #4B4420 | 0.120 |
| Tritanopia (no blue cones) | #7F0220 | 0.032 |
| Achromatopsia (no color) | #3D3D3D | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731D23
#731D23
oklch(37.4% 0.119 21.4)
- #004B4F
#004B4F
oklch(37.5% 0.064 200.9)
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 #731D23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine Red #7B0323 ΔE 0.029
- Reddy Brown #6E1005 ΔE 0.034
- Blood #770001 ΔE 0.036
- Bordeaux #7B002C ΔE 0.038
- Maroon #800000 ΔE 0.040
- Chestnut #742802 ΔE 0.043
- Claret #680018 ΔE 0.048
- Dark Red #8B0000 ΔE 0.055
Use #731D23 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.