#73300D
Closest named color: Chestnut (#742802). oklch(39.7% 0.105 44.2), rgb(115, 48, 13).
Aa
White text reads best on this color (9.73:1).
About this color
#73300D is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.105 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.016 away. White text reads best on it, at 9.73:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #73300D |
| RGB | rgb(115, 48, 13) |
| HSL | hsl(21, 80%, 25%) |
| OKLCH | oklch(39.7% 0.105 44.2) |
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 #73300D | 9.73:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #73300D | 2.15:1 | Fails | Lc 12.0 | Not readable |
| #73300D text on white | 9.73:1 | AAA | Lc 92.0 | Preferred for body text |
| #73300D text on black | 2.15:1 | Fails | Lc -10.4 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DE
oklch(93.5% 0.023 41.4)
-
Step 200
200
#F3D1C2
oklch(88.5% 0.043 45.2)
-
Step 300
300
#EDB197
oklch(80.9% 0.079 44.5)
-
Step 400
400
#E1855D
oklch(70.7% 0.126 43.8)
-
Step 500
500
#D66329
oklch(63.2% 0.16 44.2)
-
Step 600
600
#BC4B00
oklch(55.6% 0.161 44.3)
-
Step 700
700
#9F3E00
oklch(49.1% 0.142 44.2)
-
Step 800
800
#833200
oklch(42.7% 0.123 44.4)
-
Step 900
900 (this color)
#73300D
oklch(39.7% 0.105 44.2)
-
Step 950
950
#401A07
oklch(27.1% 0.066 44.8)
#73300D 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) | #433B07 | 0.099 |
| Deuteranopia (no green cones) | #534A0A | 0.090 |
| Tritanopia (no blue cones) | #7F2029 | 0.054 |
| Achromatopsia (no color) | #444444 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73300D
#73300D
oklch(39.7% 0.105 44.2)
- #004F65
#004F65
oklch(39.8% 0.075 224.5)
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 #73300D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.016
- Rust Brown #8B3103 ΔE 0.050
- Red Brown #8B2E16 ΔE 0.051
- Purple Brown #673A3F ΔE 0.060
- Reddy Brown #6E1005 ΔE 0.061
- Maroon #800000 ΔE 0.063
- Brown Red #922B05 ΔE 0.063
- Brick Red #8F1402 ΔE 0.065
Use #73300D 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.