#3B0B05
Closest named color: Deep Brown (#410200). oklch(23.7% 0.077 31.3), rgb(59, 11, 5).
Aa
White text reads best on this color (16.98:1).
About this color
#3B0B05 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.077 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.018 away. White text reads best on it, at 16.98:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.23:1 |
| White text | 16.98:1 |
Values
| HEX | #3B0B05 |
| RGB | rgb(59, 11, 5) |
| HSL | hsl(7, 84%, 13%) |
| OKLCH | oklch(23.7% 0.077 31.3) |
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 #3B0B05 | 16.98:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #3B0B05 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #3B0B05 text on white | 16.98:1 | AAA | Lc 103.3 | Preferred for body text |
| #3B0B05 text on black | 1.23:1 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F5AB9D
oklch(80.8% 0.09 31)
-
Step 400
400
#ED7B66
oklch(70.8% 0.145 31.8)
-
Step 500
500
#E3523B
oklch(63.1% 0.185 31.6)
-
Step 600
600
#CF2C14
oklch(55.6% 0.202 31.4)
-
Step 700
700
#B21B03
oklch(49% 0.187 31.4)
-
Step 800
800
#911B0A
oklch(42.7% 0.155 31.3)
-
Step 900
900
#741F13
oklch(37.6% 0.121 31.1)
-
Step 950
950 (this color)
#3B0B05
oklch(23.7% 0.077 31.3)
#3B0B05 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) | #191604 | 0.081 |
| Deuteranopia (no green cones) | #252004 | 0.073 |
| Tritanopia (no blue cones) | #42000A | 0.026 |
| Achromatopsia (no color) | #1C1C1C | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B0B05
#3B0B05
oklch(23.7% 0.077 31.3)
- #002329
#002329
oklch(23.5% 0.041 211.3)
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 #3B0B05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.018
- Dark Maroon #3C0008 ΔE 0.024
- Mahogany #4A0100 ΔE 0.035
- Chocolate Brown #411900 ΔE 0.041
- Dark Brown #341C02 ΔE 0.046
- Dark Plum #3F012C ΔE 0.076
- Aubergine #3D0734 ΔE 0.086
- Jet #212529 ΔE 0.088
Use #3B0B05 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.