#731504
Closest named color: Reddy Brown (#6E1005). oklch(36.2% 0.131 32.5), rgb(115, 21, 4).
Aa
White text reads best on this color (11.42:1).
About this color
#731504 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.131 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.015 away. White text reads best on it, at 11.42:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.83:1 |
| White text | 11.42:1 |
Values
| HEX | #731504 |
| RGB | rgb(115, 21, 4) |
| HSL | hsl(9, 93%, 23%) |
| OKLCH | oklch(36.2% 0.131 32.5) |
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 #731504 | 11.42:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #731504 | 1.83:1 | Fails | Lc 9.0 | Not readable |
| #731504 text on white | 11.42:1 | AAA | Lc 94.9 | Preferred for body text |
| #731504 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
#FEF2F0
oklch(97% 0.013 28.9)
-
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
#F9A998
oklch(80.8% 0.098 32.5)
-
Step 400
400
#F2775F
oklch(70.8% 0.156 32.5)
-
Step 500
500
#E94A2E
oklch(63% 0.2 32.4)
-
Step 600
600
#D12700
oklch(55.6% 0.208 32.5)
-
Step 700
700
#B11F00
oklch(49.1% 0.184 32.4)
-
Step 800
800
#921800
oklch(42.6% 0.159 32.5)
-
Step 900
900 (this color)
#731504
oklch(36.2% 0.131 32.5)
-
Step 950
950
#471208
oklch(27.1% 0.083 32.9)
#731504 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) | #342C01 | 0.138 |
| Deuteranopia (no green cones) | #4A4100 | 0.125 |
| Tritanopia (no blue cones) | #800013 | 0.034 |
| Achromatopsia (no color) | #3A3A3A | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731504
#731504
oklch(36.2% 0.131 32.5)
- #004651
#004651
oklch(36.2% 0.063 212.4)
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 #731504, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.015
- Blood #770001 ΔE 0.019
- Maroon #800000 ΔE 0.029
- Chestnut #742802 ΔE 0.034
- Wine Red #7B0323 ΔE 0.042
- Claret #680018 ΔE 0.047
- Dark Red #8B0000 ΔE 0.051
- Bordeaux #7B002C ΔE 0.056
Use #731504 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.