#78391B
Closest named color: Rust Brown (#8B3103). oklch(42.2% 0.098 44.3), rgb(120, 57, 27).
Aa
White text reads best on this color (8.75:1).
About this color
#78391B is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.098 and its hue 44°. 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 8.75:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #78391B |
| RGB | rgb(120, 57, 27) |
| HSL | hsl(19, 63%, 29%) |
| OKLCH | oklch(42.2% 0.098 44.3) |
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 #78391B | 8.75:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #78391B | 2.39:1 | Fails | Lc 14.5 | Not readable |
| #78391B text on white | 8.75:1 | AAA | Lc 89.5 | Fine for body text |
| #78391B text on black | 2.39:1 | Fails | Lc -12.7 | 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
#E1B6A3
oklch(81% 0.057 45.1)
-
Step 400
400
#D18E71
oklch(70.7% 0.092 44.2)
-
Step 500
500
#C3704B
oklch(63% 0.117 44.2)
-
Step 600
600
#AF572E
oklch(55.7% 0.127 44)
-
Step 700
700
#964720
oklch(49.2% 0.118 44.5)
-
Step 800
800 (this color)
#78391B
oklch(42.2% 0.098 44.3)
-
Step 900
900
#62331D
oklch(37.7% 0.076 44.8)
-
Step 950
950
#3A1E12
oklch(27% 0.049 43.5)
#78391B 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) | #4B4217 | 0.089 |
| Deuteranopia (no green cones) | #5A501A | 0.082 |
| Tritanopia (no blue cones) | #842C33 | 0.052 |
| Achromatopsia (no color) | #4B4B4B | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78391B
#78391B
oklch(42.2% 0.098 44.3)
- #00566E
#00566E
oklch(42.1% 0.08 224.9)
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 #78391B, 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 0.040
- Red Brown #8B2E16 ΔE 0.041
- Saddle Brown #8B4513 ΔE 0.053
- Brown Red #922B05 ΔE 0.054
- Purple Brown #673A3F ΔE 0.057
- Milk Chocolate #7F4E1E ΔE 0.057
- Mud Brown #60460F ΔE 0.060
Use #78391B 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.