#3C181A
Closest named color: Chocolate Brown (#411900). oklch(26.3% 0.057 18.3), rgb(60, 24, 26).
Aa
White text reads best on this color (15.69:1).
About this color
#3C181A is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.057 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.038 away. White text reads best on it, at 15.69:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.33:1 |
| White text | 15.69:1 |
Values
| HEX | #3C181A |
| RGB | rgb(60, 24, 26) |
| HSL | hsl(357, 43%, 16%) |
| OKLCH | oklch(26.3% 0.057 18.3) |
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 #3C181A | 15.69:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #3C181A | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #3C181A text on white | 15.69:1 | AAA | Lc 102.4 | Preferred for body text |
| #3C181A text on black | 1.33:1 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F1D0D0
oklch(88.5% 0.037 17.9)
-
Step 300
300
#E9B0B0
oklch(81% 0.067 18.6)
-
Step 400
400
#DB8487
oklch(70.6% 0.107 17.9)
-
Step 500
500
#CF6369
oklch(63.1% 0.137 18.4)
-
Step 600
600
#BA4751
oklch(55.6% 0.148 18.2)
-
Step 700
700
#A03741
oklch(49% 0.139 18.4)
-
Step 800
800
#822F36
oklch(42.7% 0.114 18.4)
-
Step 900
900
#692B2F
oklch(37.8% 0.089 18.4)
-
Step 950
950 (this color)
#3C181A
oklch(26.3% 0.057 18.3)
#3C181A 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) | #201F1A | 0.061 |
| Deuteranopia (no green cones) | #292619 | 0.057 |
| Tritanopia (no blue cones) | #421319 | 0.016 |
| Achromatopsia (no color) | #232323 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C181A
#3C181A
oklch(26.3% 0.057 18.3)
- #002B2D
#002B2D
oklch(26.3% 0.045 199.6)
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 #3C181A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.038
- Dark Brown #341C02 ΔE 0.045
- Deep Brown #410200 ΔE 0.048
- Mahogany #4A0100 ΔE 0.050
- Dark Maroon #3C0008 ΔE 0.051
- Jet #212529 ΔE 0.063
- Dark Plum #3F012C ΔE 0.066
- Aubergine #3D0734 ΔE 0.069
Use #3C181A 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.