#3C181D
Closest named color: Chocolate Brown (#411900). oklch(26.4% 0.057 13.1), rgb(60, 24, 29).
Aa
White text reads best on this color (15.66:1).
About this color
#3C181D is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.057 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.043 away. White text reads best on it, at 15.66:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.34:1 |
| White text | 15.66:1 |
Values
| HEX | #3C181D |
| RGB | rgb(60, 24, 29) |
| HSL | hsl(352, 43%, 16%) |
| OKLCH | oklch(26.4% 0.057 13.1) |
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 #3C181D | 15.66:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #3C181D | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #3C181D text on white | 15.66:1 | AAA | Lc 102.4 | Preferred for body text |
| #3C181D text on black | 1.34:1 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F1D0D2
oklch(88.6% 0.037 13.7)
-
Step 300
300
#E9AFB4
oklch(80.9% 0.068 12.9)
-
Step 400
400
#DB848D
oklch(70.8% 0.107 13.5)
-
Step 500
500
#CE6271
oklch(63% 0.137 13.2)
-
Step 600
600
#BA465A
oklch(55.7% 0.15 13)
-
Step 700
700
#A0374A
oklch(49.2% 0.139 13.1)
-
Step 800
800
#822E3C
oklch(42.7% 0.116 13.5)
-
Step 900
900
#692A34
oklch(37.7% 0.091 12.7)
-
Step 950
950 (this color)
#3C181D
oklch(26.4% 0.057 13.1)
#3C181D 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) | #1F1F1D | 0.063 |
| Deuteranopia (no green cones) | #28261C | 0.058 |
| Tritanopia (no blue cones) | #42141A | 0.015 |
| Achromatopsia (no color) | #232323 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C181D
#3C181D
oklch(26.4% 0.057 13.1)
- #002C2B
#002C2B
oklch(26.5% 0.045 192.4)
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 #3C181D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.043
- Dark Brown #341C02 ΔE 0.049
- Deep Brown #410200 ΔE 0.051
- Dark Maroon #3C0008 ΔE 0.052
- Mahogany #4A0100 ΔE 0.053
- Dark Plum #3F012C ΔE 0.062
- Jet #212529 ΔE 0.063
- Aubergine #3D0734 ΔE 0.064
Use #3C181D 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.