#3B0901
Closest named color: Deep Brown (#410200). oklch(23.3% 0.08 34.5), rgb(59, 9, 1).
Aa
White text reads best on this color (17.13:1).
About this color
#3B0901 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.080 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.016 away. White text reads best on it, at 17.13:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.22:1 |
| White text | 17.13:1 |
Values
| HEX | #3B0901 |
| RGB | rgb(59, 9, 1) |
| HSL | hsl(8, 97%, 12%) |
| OKLCH | oklch(23.3% 0.08 34.5) |
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 #3B0901 | 17.13:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #3B0901 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #3B0901 text on white | 17.13:1 | AAA | Lc 103.4 | Preferred for body text |
| #3B0901 text on black | 1.22:1 | 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
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FACDC2
oklch(88.4% 0.053 34)
-
Step 300
300
#F7AB98
oklch(81% 0.094 34.6)
-
Step 400
400
#EF795D
oklch(70.6% 0.152 34.5)
-
Step 500
500
#E64F2B
oklch(63.1% 0.193 34.5)
-
Step 600
600
#CD3100
oklch(55.6% 0.198 34.4)
-
Step 700
700
#AD2800
oklch(49% 0.174 34.5)
-
Step 800
800
#8F1F00
oklch(42.6% 0.152 34.4)
-
Step 900
900
#761E07
oklch(37.8% 0.126 34.7)
-
Step 950
950 (this color)
#3B0901
oklch(23.3% 0.08 34.5)
#3B0901 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) | #191400 | 0.083 |
| Deuteranopia (no green cones) | #252000 | 0.076 |
| Tritanopia (no blue cones) | #420007 | 0.025 |
| Achromatopsia (no color) | #1B1B1B | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B0901
#3B0901
oklch(23.3% 0.08 34.5)
- #00222A
#00222A
oklch(23.2% 0.041 216.8)
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 #3B0901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.016
- Dark Maroon #3C0008 ΔE 0.025
- Mahogany #4A0100 ΔE 0.036
- Chocolate Brown #411900 ΔE 0.042
- Dark Brown #341C02 ΔE 0.047
- Dark Plum #3F012C ΔE 0.081
- Very Dark Brown #1D0200 ΔE 0.086
- Aubergine #3D0734 ΔE 0.091
Use #3B0901 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.