#733109
Closest named color: Chestnut (#742802). oklch(39.9% 0.105 46.2), rgb(115, 49, 9).
Aa
White text reads best on this color (9.66:1).
About this color
#733109 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.105 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.019 away. White text reads best on it, at 9.66:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.17:1 |
| White text | 9.66:1 |
Values
| HEX | #733109 |
| RGB | rgb(115, 49, 9) |
| HSL | hsl(23, 85%, 24%) |
| OKLCH | oklch(39.9% 0.105 46.2) |
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 #733109 | 9.66:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #733109 | 2.17:1 | Fails | Lc 12.2 | Not readable |
| #733109 text on white | 9.66:1 | AAA | Lc 91.8 | Preferred for body text |
| #733109 text on black | 2.17:1 | Fails | Lc -10.6 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E6DD
oklch(93.7% 0.023 48.5)
-
Step 200
200
#F3D1C1
oklch(88.5% 0.044 46.7)
-
Step 300
300
#ECB196
oklch(80.8% 0.079 45.7)
-
Step 400
400
#E0865A
oklch(70.7% 0.125 46.1)
-
Step 500
500
#D56422
oklch(63.1% 0.161 46.4)
-
Step 600
600
#B94E00
oklch(55.5% 0.156 46.2)
-
Step 700
700
#9D4100
oklch(49.2% 0.138 46.2)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900 (this color)
#733109
oklch(39.9% 0.105 46.2)
-
Step 950
950
#401A06
oklch(27% 0.067 45.8)
#733109 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) | #443B02 | 0.097 |
| Deuteranopia (no green cones) | #544A06 | 0.087 |
| Tritanopia (no blue cones) | #7F212A | 0.058 |
| Achromatopsia (no color) | #444444 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733109
#733109
oklch(39.9% 0.105 46.2)
- #004F67
#004F67
oklch(39.9% 0.077 226.7)
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 #733109, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.019
- Rust Brown #8B3103 ΔE 0.050
- Red Brown #8B2E16 ΔE 0.051
- Purple Brown #673A3F ΔE 0.062
- Mud Brown #60460F ΔE 0.063
- Brown Red #922B05 ΔE 0.063
- Reddy Brown #6E1005 ΔE 0.064
- Maroon #800000 ΔE 0.066
Use #733109 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.