#783603
Closest named color: Chestnut (#742802). oklch(41.5% 0.108 50), rgb(120, 54, 3).
Aa
White text reads best on this color (9.02:1).
About this color
#783603 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.108 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.034 away. White text reads best on it, at 9.02:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #783603 |
| RGB | rgb(120, 54, 3) |
| HSL | hsl(26, 95%, 24%) |
| OKLCH | oklch(41.5% 0.108 50) |
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 #783603 | 9.02:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #783603 | 2.32:1 | Fails | Lc 13.8 | Not readable |
| #783603 text on white | 9.02:1 | AAA | Lc 90.1 | Preferred for body text |
| #783603 text on black | 2.32:1 | Fails | Lc -12.1 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EDD3C5
oklch(88.5% 0.035 50.2)
-
Step 300
300
#E3B59D
oklch(80.8% 0.063 49)
-
Step 400
400
#D38E66
oklch(70.7% 0.1 50.6)
-
Step 500
500
#C66F3B
oklch(63% 0.129 49.5)
-
Step 600
600
#B25612
oklch(55.7% 0.14 50.1)
-
Step 700
700
#984500
oklch(49% 0.13 50)
-
Step 800
800 (this color)
#783603
oklch(41.5% 0.108 50)
-
Step 900
900
#643212
oklch(37.7% 0.084 49.9)
-
Step 950
950
#3B1E0C
oklch(27.1% 0.054 50.6)
#783603 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) | #494000 | 0.095 |
| Deuteranopia (no green cones) | #594F01 | 0.087 |
| Tritanopia (no blue cones) | #85262D | 0.063 |
| Achromatopsia (no color) | #494949 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783603
#783603
oklch(41.5% 0.108 50)
- #005370
#005370
oklch(41.4% 0.083 230.5)
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 #783603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.034
- Rust Brown #8B3103 ΔE 0.039
- Red Brown #8B2E16 ΔE 0.044
- Brown Red #922B05 ΔE 0.055
- Saddle Brown #8B4513 ΔE 0.056
- Mud Brown #60460F ΔE 0.058
- Milk Chocolate #7F4E1E ΔE 0.062
- Brick Red #8F1402 ΔE 0.066
Use #783603 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.