#73340B
Closest named color: Chestnut (#742802). oklch(40.4% 0.102 48.1), rgb(115, 52, 11).
Aa
White text reads best on this color (9.43:1).
About this color
#73340B is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.102 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.025 away. White text reads best on it, at 9.43:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.22:1 |
| White text | 9.43:1 |
Values
| HEX | #73340B |
| RGB | rgb(115, 52, 11) |
| HSL | hsl(24, 83%, 25%) |
| OKLCH | oklch(40.4% 0.102 48.1) |
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 #73340B | 9.43:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #73340B | 2.22:1 | Fails | Lc 12.7 | Not readable |
| #73340B text on white | 9.43:1 | AAA | Lc 91.3 | Preferred for body text |
| #73340B text on black | 2.22:1 | Fails | Lc -11.1 | 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
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C7
oklch(88.4% 0.032 47.3)
-
Step 300
300
#E2B6A0
oklch(81% 0.06 48)
-
Step 400
400
#D18E6C
oklch(70.6% 0.095 47.6)
-
Step 500
500
#C47143
oklch(63.2% 0.121 48.4)
-
Step 600
600
#AF5721
oklch(55.5% 0.132 48.3)
-
Step 700
700
#964713
oklch(49.1% 0.122 48.6)
-
Step 800
800 (this color)
#73340B
oklch(40.4% 0.102 48.1)
-
Step 900
900
#633318
oklch(37.8% 0.079 48.1)
-
Step 950
950
#3A1E0F
oklch(27% 0.05 47.8)
#73340B 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) | #463D04 | 0.092 |
| Deuteranopia (no green cones) | #554B09 | 0.082 |
| Tritanopia (no blue cones) | #7F262C | 0.057 |
| Achromatopsia (no color) | #464646 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73340B
#73340B
oklch(40.4% 0.102 48.1)
- #00506A
#00506A
oklch(40.3% 0.079 228.5)
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 #73340B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.025
- Rust Brown #8B3103 ΔE 0.049
- Red Brown #8B2E16 ΔE 0.051
- Mud Brown #60460F ΔE 0.057
- Purple Brown #673A3F ΔE 0.061
- Brown Red #922B05 ΔE 0.063
- Saddle Brown #8B4513 ΔE 0.068
- Brick Red #8F1402 ΔE 0.069
Use #73340B 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.