#3B000A
Closest named color: Dark Maroon (#3C0008). oklch(22.3% 0.089 18.3), rgb(59, 0, 10).
Aa
White text reads best on this color (17.64:1).
About this color
#3B000A is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.089 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.004 away. White text reads best on it, at 17.64:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.64:1 |
Values
| HEX | #3B000A |
| RGB | rgb(59, 0, 10) |
| HSL | hsl(350, 100%, 12%) |
| OKLCH | oklch(22.3% 0.089 18.3) |
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 #3B000A | 17.64:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #3B000A | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #3B000A text on white | 17.64:1 | AAA | Lc 103.4 | Preferred for body text |
| #3B000A text on black | 1.19:1 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FEE2E2
oklch(93.6% 0.031 17.7)
-
Step 200
200
#FECACA
oklch(88.5% 0.059 18.3)
-
Step 300
300
#FEA4A6
oklch(80.9% 0.107 18.2)
-
Step 400
400
#F86E77
oklch(70.8% 0.169 18.5)
-
Step 500
500
#F03954
oklch(63.2% 0.217 18.5)
-
Step 600
600
#D6003D
oklch(55.5% 0.222 18.3)
-
Step 700
700
#B60032
oklch(49.2% 0.197 18.4)
-
Step 800
800
#960028
oklch(42.7% 0.171 18.3)
-
Step 900
900
#7B0D23
oklch(37.7% 0.141 18.1)
-
Step 950
950 (this color)
#3B000A
oklch(22.3% 0.089 18.3)
#3B000A 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) | #12100A | 0.100 |
| Deuteranopia (no green cones) | #211D08 | 0.091 |
| Tritanopia (no blue cones) | #420004 | 0.021 |
| Achromatopsia (no color) | #191919 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B000A
#3B000A
oklch(22.3% 0.089 18.3)
- #002122
#002122
oklch(22.5% 0.038 197.7)
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 #3B000A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.004
- Deep Brown #410200 ΔE 0.025
- Mahogany #4A0100 ΔE 0.042
- Dark Plum #3F012C ΔE 0.062
- Chocolate Brown #411900 ΔE 0.066
- Dark Brown #341C02 ΔE 0.072
- Aubergine #3D0734 ΔE 0.075
- Eggplant #380835 ΔE 0.078
Use #3B000A 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.