#783A18
Closest named color: Rust Brown (#8B3103). oklch(42.3% 0.098 46.7), rgb(120, 58, 24).
Aa
White text reads best on this color (8.68:1).
About this color
#783A18 is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.098 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.039 away. White text reads best on it, at 8.68:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #783A18 |
| RGB | rgb(120, 58, 24) |
| HSL | hsl(21, 67%, 28%) |
| OKLCH | oklch(42.3% 0.098 46.7) |
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 #783A18 | 8.68:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #783A18 | 2.41:1 | Fails | Lc 14.6 | Not readable |
| #783A18 text on white | 8.68:1 | AAA | Lc 89.4 | Fine for body text |
| #783A18 text on black | 2.41:1 | Fails | Lc -12.9 | 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
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#ECD3C8
oklch(88.5% 0.032 45.3)
-
Step 300
300
#E1B6A2
oklch(80.9% 0.057 46.3)
-
Step 400
400
#D08F6F
oklch(70.7% 0.091 47)
-
Step 500
500
#C37148
oklch(63.1% 0.118 46.4)
-
Step 600
600
#AE5829
oklch(55.6% 0.127 46.7)
-
Step 700
700
#95471B
oklch(49% 0.119 46.6)
-
Step 800
800 (this color)
#783A18
oklch(42.3% 0.098 46.7)
-
Step 900
900
#62331B
oklch(37.7% 0.077 46.4)
-
Step 950
950
#3A1E11
oklch(27% 0.049 45)
#783A18 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) | #4B4314 | 0.089 |
| Deuteranopia (no green cones) | #5A5117 | 0.082 |
| Tritanopia (no blue cones) | #842D33 | 0.055 |
| Achromatopsia (no color) | #4B4B4B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783A18
#783A18
oklch(42.3% 0.098 46.7)
- #005670
#005670
oklch(42.3% 0.081 226.9)
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 #783A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.039
- Chestnut #742802 ΔE 0.042
- Red Brown #8B2E16 ΔE 0.043
- Saddle Brown #8B4513 ΔE 0.050
- Milk Chocolate #7F4E1E ΔE 0.054
- Brown Red #922B05 ΔE 0.055
- Mud Brown #60460F ΔE 0.057
- Purple Brown #673A3F ΔE 0.060
Use #783A18 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.