#78310C
Closest named color: Chestnut (#742802). oklch(40.7% 0.11 43.8), rgb(120, 49, 12).
Aa
White text reads best on this color (9.36:1).
About this color
#78310C is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.110 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.022 away. White text reads best on it, at 9.36:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #78310C |
| RGB | rgb(120, 49, 12) |
| HSL | hsl(21, 82%, 26%) |
| OKLCH | oklch(40.7% 0.11 43.8) |
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 #78310C | 9.36:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #78310C | 2.24:1 | Fails | Lc 13.0 | Not readable |
| #78310C text on white | 9.36:1 | AAA | Lc 91.0 | Preferred for body text |
| #78310C text on black | 2.24:1 | 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
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EFD2C7
oklch(88.5% 0.036 41.9)
-
Step 300
300
#E5B4A0
oklch(80.9% 0.064 43.3)
-
Step 400
400
#D68B6B
oklch(70.6% 0.102 43.8)
-
Step 500
500
#CA6C43
oklch(63.1% 0.131 43.4)
-
Step 600
600
#B55221
oklch(55.7% 0.142 43.9)
-
Step 700
700
#9B4213
oklch(49.1% 0.132 44)
-
Step 800
800 (this color)
#78310C
oklch(40.7% 0.11 43.8)
-
Step 900
900
#663018
oklch(37.7% 0.086 43.3)
-
Step 950
950
#3C1D0F
oklch(27.1% 0.054 44.2)
#78310C 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) | #453D05 | 0.105 |
| Deuteranopia (no green cones) | #574D09 | 0.094 |
| Tritanopia (no blue cones) | #85202A | 0.056 |
| Achromatopsia (no color) | #474747 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78310C
#78310C
oklch(40.7% 0.11 43.8)
- #005268
#005268
oklch(40.7% 0.076 223.8)
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 #78310C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.022
- Rust Brown #8B3103 ΔE 0.039
- Red Brown #8B2E16 ΔE 0.041
- Brown Red #922B05 ΔE 0.053
- Brick Red #8F1402 ΔE 0.058
- Maroon #800000 ΔE 0.063
- Purple Brown #673A3F ΔE 0.064
- Dark Red #8B0000 ΔE 0.065
Use #78310C 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.