#43011B
Closest named color: Dark Maroon (#3C0008). oklch(24.8% 0.098 4.7), rgb(67, 1, 27).
Aa
White text reads best on this color (16.68:1).
About this color
#43011B is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.098 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.035 away. White text reads best on it, at 16.68:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.25:1 |
| White text | 16.68:1 |
Values
| HEX | #43011B |
| RGB | rgb(67, 1, 27) |
| HSL | hsl(336, 97%, 13%) |
| OKLCH | oklch(24.8% 0.098 4.7) |
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 #43011B | 16.68:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #43011B | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #43011B text on white | 16.68:1 | AAA | Lc 102.5 | Preferred for body text |
| #43011B 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
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FFE1E7
oklch(93.6% 0.034 4.1)
-
Step 200
200
#FFC8D4
oklch(88.5% 0.064 3.9)
-
Step 300
300
#FFA1B7
oklch(80.9% 0.114 4.7)
-
Step 400
400
#FA6692
oklch(70.7% 0.184 4.6)
-
Step 500
500
#F22577
oklch(63% 0.236 4.6)
-
Step 600
600
#D20062
oklch(55.6% 0.223 4.8)
-
Step 700
700
#B20052
oklch(49.1% 0.197 4.8)
-
Step 800
800
#930043
oklch(42.7% 0.172 4.5)
-
Step 900
900
#7C0037
oklch(37.7% 0.152 4.8)
-
Step 950
950 (this color)
#43011B
oklch(24.8% 0.098 4.7)
#43011B 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) | #13151C | 0.112 |
| Deuteranopia (no green cones) | #252319 | 0.101 |
| Tritanopia (no blue cones) | #4A000C | 0.031 |
| Achromatopsia (no color) | #1E1E1E | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43011B
#43011B
oklch(24.8% 0.098 4.7)
- #002824
#002824
oklch(24.9% 0.044 184.8)
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 #43011B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.035
- Dark Plum #3F012C ΔE 0.035
- Deep Brown #410200 ΔE 0.044
- Mahogany #4A0100 ΔE 0.045
- Aubergine #3D0734 ΔE 0.049
- Eggplant #380835 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.071
- Chocolate Brown #411900 ΔE 0.072
Use #43011B 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.