#78381B
Closest named color: Chestnut (#742802). oklch(42% 0.099 43.4), rgb(120, 56, 27).
Aa
White text reads best on this color (8.82:1).
About this color
#78381B is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.099 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.038 away. White text reads best on it, at 8.82:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.38:1 |
| White text | 8.82:1 |
Values
| HEX | #78381B |
| RGB | rgb(120, 56, 27) |
| HSL | hsl(19, 63%, 29%) |
| OKLCH | oklch(42% 0.099 43.4) |
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 #78381B | 8.82:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #78381B | 2.38:1 | Fails | Lc 14.3 | Not readable |
| #78381B text on white | 8.82:1 | AAA | Lc 89.7 | Fine for body text |
| #78381B text on black | 2.38:1 | Fails | Lc -12.5 | 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
#EDD3C9
oklch(88.6% 0.032 42.2)
-
Step 300
300
#E2B5A3
oklch(80.9% 0.058 42.9)
-
Step 400
400
#D28E71
oklch(70.8% 0.093 43.9)
-
Step 500
500
#C4704C
oklch(63.1% 0.118 43.4)
-
Step 600
600
#AF562E
oklch(55.5% 0.128 43.3)
-
Step 700
700
#964621
oklch(49% 0.119 43.5)
-
Step 800
800 (this color)
#78381B
oklch(42% 0.099 43.4)
-
Step 900
900
#63321D
oklch(37.6% 0.078 43.1)
-
Step 950
950
#3A1E12
oklch(27% 0.049 43.5)
#78381B 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) | #4A4218 | 0.092 |
| Deuteranopia (no green cones) | #59501A | 0.085 |
| Tritanopia (no blue cones) | #842B32 | 0.051 |
| Achromatopsia (no color) | #4A4A4A | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78381B
#78381B
oklch(42% 0.099 43.4)
- #00566C
#00566C
oklch(42% 0.078 222.8)
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 #78381B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.038
- Rust Brown #8B3103 ΔE 0.039
- Red Brown #8B2E16 ΔE 0.040
- Brown Red #922B05 ΔE 0.053
- Saddle Brown #8B4513 ΔE 0.054
- Purple Brown #673A3F ΔE 0.056
- Milk Chocolate #7F4E1E ΔE 0.060
- Mud Brown #60460F ΔE 0.061
Use #78381B 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.