#78311A
Closest named color: Chestnut (#742802). oklch(40.8% 0.106 38.1), rgb(120, 49, 26).
Aa
White text reads best on this color (9.32:1).
About this color
#78311A is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.106 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.025 away. White text reads best on it, at 9.32:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #78311A |
| RGB | rgb(120, 49, 26) |
| HSL | hsl(15, 64%, 29%) |
| OKLCH | oklch(40.8% 0.106 38.1) |
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 #78311A | 9.32:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #78311A | 2.25:1 | Fails | Lc 13.0 | Not readable |
| #78311A text on white | 9.32:1 | AAA | Lc 90.9 | Preferred for body text |
| #78311A text on black | 2.25:1 | Fails | Lc -11.4 | 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
#E5B4A4
oklch(81% 0.062 38.9)
-
Step 400
400
#D68B73
oklch(70.8% 0.099 38.5)
-
Step 500
500
#C96C4E
oklch(63.2% 0.126 38.6)
-
Step 600
600
#B45131
oklch(55.5% 0.137 38.3)
-
Step 700
700
#9B4124
oklch(49.1% 0.128 38)
-
Step 800
800 (this color)
#78311A
oklch(40.8% 0.106 38.1)
-
Step 900
900
#66301F
oklch(37.8% 0.083 38.1)
-
Step 950
950
#3C1D13
oklch(27.1% 0.052 38.6)
#78311A 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) | #453D17 | 0.103 |
| Deuteranopia (no green cones) | #564D18 | 0.096 |
| Tritanopia (no blue cones) | #84212C | 0.048 |
| Achromatopsia (no color) | #474747 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78311A
#78311A
oklch(40.8% 0.106 38.1)
- #005364
#005364
oklch(40.8% 0.073 217.8)
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 #78311A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.025
- Red Brown #8B2E16 ΔE 0.039
- Rust Brown #8B3103 ΔE 0.041
- Brown Red #922B05 ΔE 0.053
- Purple Brown #673A3F ΔE 0.055
- Brick Red #8F1402 ΔE 0.056
- Maroon #800000 ΔE 0.062
- Dark Red #8B0000 ΔE 0.062
Use #78311A 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.