#73391D
Closest named color: Chestnut (#742802). oklch(41.4% 0.091 44.9), rgb(115, 57, 29).
Aa
White text reads best on this color (9.00:1).
About this color
#73391D is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.091 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.038 away. White text reads best on it, at 9.00:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #73391D |
| RGB | rgb(115, 57, 29) |
| HSL | hsl(20, 60%, 28%) |
| OKLCH | oklch(41.4% 0.091 44.9) |
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 #73391D | 9.00:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #73391D | 2.33:1 | Fails | Lc 13.7 | Not readable |
| #73391D text on white | 9.00:1 | AAA | Lc 90.3 | Preferred for body text |
| #73391D text on black | 2.33:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EBD4C9
oklch(88.6% 0.03 47.3)
-
Step 300
300
#DFB6A5
oklch(80.8% 0.053 43.7)
-
Step 400
400
#CE9074
oklch(70.8% 0.085 45.2)
-
Step 500
500
#C07350
oklch(63.2% 0.109 44.7)
-
Step 600
600
#AB5A33
oklch(55.6% 0.118 45)
-
Step 700
700
#924926
oklch(49% 0.11 44.6)
-
Step 800
800 (this color)
#73391D
oklch(41.4% 0.091 44.9)
-
Step 900
900
#603420
oklch(37.6% 0.071 44.5)
-
Step 950
950
#391F13
oklch(27.1% 0.046 45.1)
#73391D 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) | #49411A | 0.083 |
| Deuteranopia (no green cones) | #574E1C | 0.076 |
| Tritanopia (no blue cones) | #7E2D33 | 0.050 |
| Achromatopsia (no color) | #494949 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73391D
#73391D
oklch(41.4% 0.091 44.9)
- #00546B
#00546B
oklch(41.4% 0.078 224.3)
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 #73391D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.038
- Rust Brown #8B3103 ΔE 0.049
- Red Brown #8B2E16 ΔE 0.050
- Purple Brown #673A3F ΔE 0.051
- Mud Brown #60460F ΔE 0.054
- Saddle Brown #8B4513 ΔE 0.061
- Milk Chocolate #7F4E1E ΔE 0.063
- Brown Red #922B05 ΔE 0.063
Use #73391D 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.