#731317
Closest named color: Reddy Brown (#6E1005). oklch(36.3% 0.13 24.8), rgb(115, 19, 23).
Aa
White text reads best on this color (11.44:1).
About this color
#731317 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.130 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.020 away. White text reads best on it, at 11.44:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.83:1 |
| White text | 11.44:1 |
Values
| HEX | #731317 |
| RGB | rgb(115, 19, 23) |
| HSL | hsl(357, 72%, 26%) |
| OKLCH | oklch(36.3% 0.13 24.8) |
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 #731317 | 11.44:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #731317 | 1.83:1 | Fails | Lc 8.9 | Not readable |
| #731317 text on white | 11.44:1 | AAA | Lc 95.0 | Preferred for body text |
| #731317 text on black | 1.83:1 | Fails | Lc -7.7 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FBCCC7
oklch(88.5% 0.054 25.3)
-
Step 300
300
#F9A8A1
oklch(80.9% 0.097 24.9)
-
Step 400
400
#F2756E
oklch(70.7% 0.155 25.1)
-
Step 500
500
#E94748
oklch(63% 0.199 24.6)
-
Step 600
600
#D51729
oklch(55.7% 0.216 24.9)
-
Step 700
700
#B7001D
oklch(49.1% 0.199 24.8)
-
Step 800
800
#950C19
oklch(42.7% 0.166 25)
-
Step 900
900 (this color)
#731317
oklch(36.3% 0.13 24.8)
-
Step 950
950
#471111
oklch(27.1% 0.082 24.5)
#731317 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) | #312C16 | 0.142 |
| Deuteranopia (no green cones) | #494113 | 0.129 |
| Tritanopia (no blue cones) | #7F0016 | 0.027 |
| Achromatopsia (no color) | #3A3A3A | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731317
#731317
oklch(36.3% 0.13 24.8)
- #00474D
#00474D
oklch(36.3% 0.062 204.4)
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 #731317, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.020
- Blood #770001 ΔE 0.020
- Wine Red #7B0323 ΔE 0.027
- Maroon #800000 ΔE 0.031
- Claret #680018 ΔE 0.038
- Bordeaux #7B002C ΔE 0.039
- Chestnut #742802 ΔE 0.045
- Dark Red #8B0000 ΔE 0.052
Use #731317 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.