#731B22
Closest named color: Wine Red (#7B0323). oklch(37.2% 0.121 21.3), rgb(115, 27, 34).
Aa
White text reads best on this color (11.00:1).
About this color
#731B22 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.121 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.027 away. White text reads best on it, at 11.00:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Wine Red (#7B0323) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #731B22 |
| RGB | rgb(115, 27, 34) |
| HSL | hsl(355, 62%, 28%) |
| OKLCH | oklch(37.2% 0.121 21.3) |
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 #731B22 | 11.00:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #731B22 | 1.90:1 | Fails | Lc 9.6 | Not readable |
| #731B22 text on white | 11.00:1 | AAA | Lc 94.4 | Preferred for body text |
| #731B22 text on black | 1.90:1 | Fails | Lc -8.2 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F6A9A7
oklch(80.8% 0.091 20.9)
-
Step 400
400
#ED7878
oklch(70.7% 0.145 21.4)
-
Step 500
500
#E44D55
oklch(63.1% 0.187 21.3)
-
Step 600
600
#CF253B
oklch(55.5% 0.202 21.1)
-
Step 700
700
#B3132D
oklch(49.1% 0.188 21.2)
-
Step 800
800
#911726
oklch(42.7% 0.155 21.3)
-
Step 900
900 (this color)
#731B22
oklch(37.2% 0.121 21.3)
-
Step 950
950
#451315
oklch(27.1% 0.077 21.6)
#731B22 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) | #343022 | 0.132 |
| Deuteranopia (no green cones) | #4A431F | 0.122 |
| Tritanopia (no blue cones) | #7F001E | 0.031 |
| Achromatopsia (no color) | #3C3C3C | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731B22
#731B22
oklch(37.2% 0.121 21.3)
- #004A4E
#004A4E
oklch(37.2% 0.063 201)
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 #731B22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine Red #7B0323 ΔE 0.027
- Reddy Brown #6E1005 ΔE 0.032
- Blood #770001 ΔE 0.034
- Bordeaux #7B002C ΔE 0.036
- Maroon #800000 ΔE 0.039
- Chestnut #742802 ΔE 0.045
- Claret #680018 ΔE 0.046
- Dark Red #8B0000 ΔE 0.055
Use #731B22 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.