#73391C
Closest named color: Chestnut (#742802). oklch(41.4% 0.092 45.5), rgb(115, 57, 28).
Aa
White text reads best on this color (9.00:1).
About this color
#73391C is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.092 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.037 away. White text reads best on it, at 9.00:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #73391C |
| RGB | rgb(115, 57, 28) |
| HSL | hsl(20, 61%, 28%) |
| OKLCH | oklch(41.4% 0.092 45.5) |
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 #73391C | 9.00:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #73391C | 2.33:1 | Fails | Lc 13.7 | Not readable |
| #73391C text on white | 9.00:1 | AAA | Lc 90.3 | Preferred for body text |
| #73391C 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C9
oklch(88.6% 0.03 47.3)
-
Step 300
300
#DFB7A4
oklch(81% 0.053 46.8)
-
Step 400
400
#CE9073
oklch(70.8% 0.086 45.9)
-
Step 500
500
#C0734F
oklch(63.2% 0.11 45.3)
-
Step 600
600
#AB5A32
oklch(55.6% 0.119 45.5)
-
Step 700
700
#924924
oklch(49% 0.11 45.5)
-
Step 800
800 (this color)
#73391C
oklch(41.4% 0.092 45.5)
-
Step 900
900
#60341F
oklch(37.6% 0.071 45.4)
-
Step 950
950
#391F13
oklch(27.1% 0.046 45.1)
#73391C 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) | #494119 | 0.083 |
| Deuteranopia (no green cones) | #574E1B | 0.076 |
| Tritanopia (no blue cones) | #7E2D33 | 0.051 |
| Achromatopsia (no color) | #494949 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73391C
#73391C
oklch(41.4% 0.092 45.5)
- #00546C
#00546C
oklch(41.5% 0.079 225.4)
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 #73391C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.037
- Rust Brown #8B3103 ΔE 0.048
- 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 #73391C 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.