#3B180C
Closest named color: Chocolate Brown (#411900). oklch(25.9% 0.059 39.2), rgb(59, 24, 12).
Aa
White text reads best on this color (15.88:1).
About this color
#3B180C is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.059 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.020 away. White text reads best on it, at 15.88:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.32:1 |
| White text | 15.88:1 |
Values
| HEX | #3B180C |
| RGB | rgb(59, 24, 12) |
| HSL | hsl(15, 66%, 14%) |
| OKLCH | oklch(25.9% 0.059 39.2) |
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 #3B180C | 15.88:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #3B180C | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #3B180C text on white | 15.88:1 | AAA | Lc 102.6 | Preferred for body text |
| #3B180C text on black | 1.32:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#E9B29F
oklch(80.9% 0.07 39.9)
-
Step 400
400
#DC876B
oklch(70.6% 0.112 39)
-
Step 500
500
#D06642
oklch(63% 0.144 39.1)
-
Step 600
600
#BC4A20
oklch(55.6% 0.157 39.1)
-
Step 700
700
#A13B12
oklch(49.1% 0.144 39.5)
-
Step 800
800
#833113
oklch(42.6% 0.12 39)
-
Step 900
900
#6A2D17
oklch(37.8% 0.094 39.7)
-
Step 950
950 (this color)
#3B180C
oklch(25.9% 0.059 39.2)
#3B180C 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) | #211D0B | 0.058 |
| Deuteranopia (no green cones) | #2A250B | 0.052 |
| Tritanopia (no blue cones) | #411115 | 0.028 |
| Achromatopsia (no color) | #222222 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B180C
#3B180C
oklch(25.9% 0.059 39.2)
- #002933
#002933
oklch(25.9% 0.047 218.5)
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 #3B180C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.020
- Dark Brown #341C02 ΔE 0.026
- Deep Brown #410200 ΔE 0.042
- Mahogany #4A0100 ΔE 0.047
- Dark Maroon #3C0008 ΔE 0.052
- Jet #212529 ΔE 0.068
- Dark #1B2431 ΔE 0.083
- Dark Plum #3F012C ΔE 0.085
Use #3B180C 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.