#78331B
Closest named color: Chestnut (#742802). oklch(41.2% 0.103 39.1), rgb(120, 51, 27).
Aa
White text reads best on this color (9.17:1).
About this color
#78331B is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.103 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.029 away. White text reads best on it, at 9.17:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #78331B |
| RGB | rgb(120, 51, 27) |
| HSL | hsl(15, 63%, 29%) |
| OKLCH | oklch(41.2% 0.103 39.1) |
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 #78331B | 9.17:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #78331B | 2.28:1 | Fails | Lc 13.4 | Not readable |
| #78331B text on white | 9.17:1 | AAA | Lc 90.6 | Preferred for body text |
| #78331B text on black | 2.28:1 | Fails | Lc -11.7 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED2C9
oklch(88.5% 0.034 38.6)
-
Step 300
300
#E4B4A4
oklch(80.9% 0.06 39.2)
-
Step 400
400
#D58B73
oklch(70.7% 0.097 38.7)
-
Step 500
500
#C86D4E
oklch(63.2% 0.124 39.4)
-
Step 600
600
#B35331
oklch(55.7% 0.134 39.5)
-
Step 700
700
#9A4224
oklch(49.1% 0.126 38.8)
-
Step 800
800 (this color)
#78331B
oklch(41.2% 0.103 39.1)
-
Step 900
900
#65311F
oklch(37.8% 0.08 39.5)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#78331B 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) | #463E18 | 0.101 |
| Deuteranopia (no green cones) | #574E19 | 0.093 |
| Tritanopia (no blue cones) | #84242E | 0.048 |
| Achromatopsia (no color) | #484848 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78331B
#78331B
oklch(41.2% 0.103 39.1)
- #005466
#005466
oklch(41.2% 0.074 218.8)
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 #78331B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.029
- Red Brown #8B2E16 ΔE 0.038
- Rust Brown #8B3103 ΔE 0.040
- Brown Red #922B05 ΔE 0.053
- Purple Brown #673A3F ΔE 0.054
- Brick Red #8F1402 ΔE 0.058
- Saddle Brown #8B4513 ΔE 0.064
- Maroon #800000 ΔE 0.066
Use #78331B 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.