#3B0C18
Closest named color: Dark Maroon (#3C0008). oklch(24.2% 0.074 9.4), rgb(59, 12, 24).
Aa
White text reads best on this color (16.77:1).
About this color
#3B0C18 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.074 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.029 away. White text reads best on it, at 16.77:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.25:1 |
| White text | 16.77:1 |
Values
| HEX | #3B0C18 |
| RGB | rgb(59, 12, 24) |
| HSL | hsl(345, 66%, 14%) |
| OKLCH | oklch(24.2% 0.074 9.4) |
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 #3B0C18 | 16.77:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #3B0C18 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #3B0C18 text on white | 16.77:1 | AAA | Lc 103.2 | Preferred for body text |
| #3B0C18 text on black | 1.25:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E6
oklch(93.5% 0.026 8.6)
-
Step 200
200
#F7CDD2
oklch(88.6% 0.048 10)
-
Step 300
300
#F3A9B4
oklch(80.9% 0.088 9.4)
-
Step 400
400
#E9788E
oklch(70.7% 0.141 9)
-
Step 500
500
#DE5072
oklch(63.1% 0.178 9.3)
-
Step 600
600
#CA2B5A
oklch(55.7% 0.194 9.6)
-
Step 700
700
#AE1A4A
oklch(49.1% 0.181 9.4)
-
Step 800
800
#8D1B3D
oklch(42.7% 0.149 9.4)
-
Step 900
900
#721E34
oklch(37.7% 0.118 9.3)
-
Step 950
950 (this color)
#3B0C18
oklch(24.2% 0.074 9.4)
#3B0C18 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) | #171718 | 0.082 |
| Deuteranopia (no green cones) | #232117 | 0.076 |
| Tritanopia (no blue cones) | #410411 | 0.019 |
| Achromatopsia (no color) | #1D1D1D | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B0C18
#3B0C18
oklch(24.2% 0.074 9.4)
- #002624
#002624
oklch(24.2% 0.042 189.5)
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 #3B0C18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.029
- Deep Brown #410200 ΔE 0.037
- Mahogany #4A0100 ΔE 0.046
- Dark Plum #3F012C ΔE 0.048
- Aubergine #3D0734 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.057
- Eggplant #380835 ΔE 0.059
- Dark Brown #341C02 ΔE 0.063
Use #3B0C18 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.