#731705
Closest named color: Reddy Brown (#6E1005). oklch(36.4% 0.129 32.8), rgb(115, 23, 5).
Aa
White text reads best on this color (11.32:1).
About this color
#731705 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.129 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.017 away. White text reads best on it, at 11.32:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.85:1 |
| White text | 11.32:1 |
Values
| HEX | #731705 |
| RGB | rgb(115, 23, 5) |
| HSL | hsl(10, 92%, 24%) |
| OKLCH | oklch(36.4% 0.129 32.8) |
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 #731705 | 11.32:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #731705 | 1.85:1 | Fails | Lc 9.1 | Not readable |
| #731705 text on white | 11.32:1 | AAA | Lc 94.8 | Preferred for body text |
| #731705 text on black | 1.85:1 | Fails | Lc -7.8 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FBCDC3
oklch(88.5% 0.054 32.4)
-
Step 300
300
#F8AA99
oklch(80.9% 0.096 32.8)
-
Step 400
400
#F1785F
oklch(70.8% 0.154 33)
-
Step 500
500
#E84C2E
oklch(63.1% 0.197 32.9)
-
Step 600
600
#D02900
oklch(55.5% 0.206 32.8)
-
Step 700
700
#B02100
oklch(49% 0.182 32.8)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900 (this color)
#731705
oklch(36.4% 0.129 32.8)
-
Step 950
950
#461209
oklch(26.9% 0.082 32.2)
#731705 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) | #342D02 | 0.137 |
| Deuteranopia (no green cones) | #4B4200 | 0.123 |
| Tritanopia (no blue cones) | #800014 | 0.036 |
| Achromatopsia (no color) | #3A3A3A | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731705
#731705
oklch(36.4% 0.129 32.8)
- #004752
#004752
oklch(36.5% 0.064 212.2)
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 #731705, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.017
- Blood #770001 ΔE 0.021
- Maroon #800000 ΔE 0.030
- Chestnut #742802 ΔE 0.032
- Wine Red #7B0323 ΔE 0.043
- Claret #680018 ΔE 0.049
- Dark Red #8B0000 ΔE 0.051
- Bordeaux #7B002C ΔE 0.056
Use #731705 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.