#3B040A
Closest named color: Dark Maroon (#3C0008). oklch(22.9% 0.084 21), rgb(59, 4, 10).
Aa
White text reads best on this color (17.38:1).
About this color
#3B040A is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.084 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.008 away. White text reads best on it, at 17.38:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.38:1 |
Values
| HEX | #3B040A |
| RGB | rgb(59, 4, 10) |
| HSL | hsl(353, 87%, 12%) |
| OKLCH | oklch(22.9% 0.084 21) |
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 #3B040A | 17.38:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #3B040A | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #3B040A text on white | 17.38:1 | AAA | Lc 103.4 | Preferred for body text |
| #3B040A text on black | 1.20:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBC9
oklch(88.4% 0.056 21)
-
Step 300
300
#FAA7A5
oklch(80.9% 0.099 21)
-
Step 400
400
#F37375
oklch(70.7% 0.158 21)
-
Step 500
500
#EB4351
oklch(63.1% 0.204 20.9)
-
Step 600
600
#D60935
oklch(55.6% 0.221 21)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800
#960322
oklch(42.7% 0.17 21)
-
Step 900
900
#781621
oklch(37.7% 0.131 20.8)
-
Step 950
950 (this color)
#3B040A
oklch(22.9% 0.084 21)
#3B040A 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) | #15120A | 0.092 |
| Deuteranopia (no green cones) | #231E08 | 0.083 |
| Tritanopia (no blue cones) | #420006 | 0.017 |
| Achromatopsia (no color) | #1A1A1A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B040A
#3B040A
oklch(22.9% 0.084 21)
- #002224
#002224
oklch(22.9% 0.039 200.5)
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 #3B040A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.008
- Deep Brown #410200 ΔE 0.020
- Mahogany #4A0100 ΔE 0.039
- Chocolate Brown #411900 ΔE 0.057
- Dark Brown #341C02 ΔE 0.063
- Dark Plum #3F012C ΔE 0.064
- Aubergine #3D0734 ΔE 0.076
- Eggplant #380835 ΔE 0.079
Use #3B040A 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.