#783C21
Closest named color: Rust Brown (#8B3103). oklch(42.8% 0.093 43.7), rgb(120, 60, 33).
Aa
White text reads best on this color (8.51:1).
About this color
#783C21 is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.093 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.041 away. White text reads best on it, at 8.51:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.46:1 |
| White text | 8.51:1 |
Values
| HEX | #783C21 |
| RGB | rgb(120, 60, 33) |
| HSL | hsl(19, 57%, 30%) |
| OKLCH | oklch(42.8% 0.093 43.7) |
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 #783C21 | 8.51:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #783C21 | 2.46:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #783C21 text on white | 8.51:1 | AAA | Lc 88.9 | Fine for body text |
| #783C21 text on black | 2.46:1 | Fails | Lc -13.3 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#EBD3C9
oklch(88.4% 0.03 44)
-
Step 300
300
#E0B6A5
oklch(80.9% 0.054 43.2)
-
Step 400
400
#CF8F74
oklch(70.7% 0.087 43.7)
-
Step 500
500
#C17250
oklch(63.1% 0.111 43.6)
-
Step 600
600
#AC5933
oklch(55.6% 0.12 44)
-
Step 700
700
#934826
oklch(49% 0.112 43.6)
-
Step 800
800 (this color)
#783C21
oklch(42.8% 0.093 43.7)
-
Step 900
900
#613420
oklch(37.8% 0.072 44)
-
Step 950
950
#391F13
oklch(27.1% 0.046 45.1)
#783C21 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) | #4C441E | 0.086 |
| Deuteranopia (no green cones) | #5B5220 | 0.079 |
| Tritanopia (no blue cones) | #843036 | 0.050 |
| Achromatopsia (no color) | #4D4D4D | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783C21
#783C21
oklch(42.8% 0.093 43.7)
- #00586F
#00586F
oklch(42.7% 0.08 223.4)
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 #783C21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.041
- Red Brown #8B2E16 ΔE 0.043
- Chestnut #742802 ΔE 0.047
- Saddle Brown #8B4513 ΔE 0.049
- Milk Chocolate #7F4E1E ΔE 0.052
- Purple Brown #673A3F ΔE 0.055
- Brown Red #922B05 ΔE 0.056
- Mud Brown #60460F ΔE 0.059
Use #783C21 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.