#733F18
Closest named color: Mud Brown (#60460F). oklch(42.4% 0.089 54), rgb(115, 63, 24).
Aa
White text reads best on this color (8.56:1).
About this color
#733F18 is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.089 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.043 away. White text reads best on it, at 8.56:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.45:1 |
| White text | 8.56:1 |
Values
| HEX | #733F18 |
| RGB | rgb(115, 63, 24) |
| HSL | hsl(26, 65%, 27%) |
| OKLCH | oklch(42.4% 0.089 54) |
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 #733F18 | 8.56:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #733F18 | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #733F18 text on white | 8.56:1 | AAA | Lc 89.1 | Fine for body text |
| #733F18 text on black | 2.45:1 | Fails | Lc -13.1 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E7E1
oklch(93.5% 0.014 50.8)
-
Step 200
200
#E9D5C8
oklch(88.6% 0.028 55.3)
-
Step 300
300
#DCB8A2
oklch(80.8% 0.051 53.2)
-
Step 400
400
#CA936F
oklch(70.8% 0.083 54.2)
-
Step 500
500
#BB7748
oklch(63.2% 0.106 54.2)
-
Step 600
600
#A65E28
oklch(55.5% 0.115 54.2)
-
Step 700
700
#8E4D1B
oklch(49% 0.107 53.9)
-
Step 800
800 (this color)
#733F18
oklch(42.4% 0.089 54)
-
Step 900
900
#5E361B
oklch(37.6% 0.07 53)
-
Step 950
950
#372011
oklch(27% 0.044 53)
#733F18 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) | #4E4513 | 0.072 |
| Deuteranopia (no green cones) | #5B5118 | 0.065 |
| Tritanopia (no blue cones) | #7E3437 | 0.058 |
| Achromatopsia (no color) | #4C4C4C | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733F18
#733F18
oklch(42.4% 0.089 54)
- #005577
#005577
oklch(42.4% 0.089 234.2)
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 #733F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.043
- Milk Chocolate #7F4E1E ΔE 0.048
- Rust Brown #8B3103 ΔE 0.051
- Chestnut #742802 ΔE 0.052
- Saddle Brown #8B4513 ΔE 0.052
- Red Brown #8B2E16 ΔE 0.057
- Medium Brown #7F5112 ΔE 0.057
- Purple Brown #673A3F ΔE 0.061
Use #733F18 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.