#731E16
Closest named color: Reddy Brown (#6E1005). oklch(37.3% 0.12 29.3), rgb(115, 30, 22).
Aa
White text reads best on this color (10.90:1).
About this color
#731E16 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.120 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.027 away. White text reads best on it, at 10.90:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #731E16 |
| RGB | rgb(115, 30, 22) |
| HSL | hsl(5, 68%, 27%) |
| OKLCH | oklch(37.3% 0.12 29.3) |
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 #731E16 | 10.90:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #731E16 | 1.92:1 | Fails | Lc 9.7 | Not readable |
| #731E16 text on white | 10.90:1 | AAA | Lc 94.2 | Preferred for body text |
| #731E16 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CEC6
oklch(88.6% 0.05 30.4)
-
Step 300
300
#F5AB9F
oklch(80.9% 0.09 29.4)
-
Step 400
400
#ED7A6A
oklch(70.7% 0.145 29.4)
-
Step 500
500
#E35142
oklch(63.1% 0.184 29.1)
-
Step 600
600
#CF2C20
oklch(55.7% 0.2 29.4)
-
Step 700
700
#B21B12
oklch(49.1% 0.186 29.3)
-
Step 800
800
#911B13
oklch(42.8% 0.154 29.2)
-
Step 900
900 (this color)
#731E16
oklch(37.3% 0.12 29.3)
-
Step 950
950
#44140F
oklch(26.9% 0.075 28.9)
#731E16 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) | #373114 | 0.127 |
| Deuteranopia (no green cones) | #4C4413 | 0.117 |
| Tritanopia (no blue cones) | #7F001D | 0.039 |
| Achromatopsia (no color) | #3D3D3D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731E16
#731E16
oklch(37.3% 0.12 29.3)
- #004A53
#004A53
oklch(37.4% 0.064 208.7)
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 #731E16, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.027
- Chestnut #742802 ΔE 0.029
- Blood #770001 ΔE 0.031
- Maroon #800000 ΔE 0.035
- Wine Red #7B0323 ΔE 0.039
- Bordeaux #7B002C ΔE 0.051
- Dark Red #8B0000 ΔE 0.051
- Claret #680018 ΔE 0.052
Use #731E16 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.