#3D101B
Closest named color: Dark Maroon (#3C0008). oklch(25.2% 0.071 8.9), rgb(61, 16, 27).
Aa
White text reads best on this color (16.29:1).
About this color
#3D101B is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.071 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.037 away. White text reads best on it, at 16.29:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.28:1 |
| White text | 16.29:1 |
Values
| HEX | #3D101B |
| RGB | rgb(61, 16, 27) |
| HSL | hsl(345, 58%, 15%) |
| OKLCH | oklch(25.2% 0.071 8.9) |
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 #3D101B | 16.29:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #3D101B | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3D101B text on white | 16.29:1 | AAA | Lc 102.8 | Preferred for body text |
| #3D101B text on black | 1.28:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE4E6
oklch(93.7% 0.024 11.3)
-
Step 200
200
#F6CDD3
oklch(88.5% 0.047 8.2)
-
Step 300
300
#F1AAB5
oklch(80.8% 0.085 8.9)
-
Step 400
400
#E67A8F
oklch(70.6% 0.135 8.8)
-
Step 500
500
#DC5374
oklch(63.2% 0.173 8.8)
-
Step 600
600
#C7315C
oklch(55.7% 0.187 9.1)
-
Step 700
700
#AB214C
oklch(49.1% 0.173 8.8)
-
Step 800
800
#8B1F3E
oklch(42.7% 0.144 9.1)
-
Step 900
900
#702135
oklch(37.7% 0.112 9.1)
-
Step 950
950 (this color)
#3D101B
oklch(25.2% 0.071 8.9)
#3D101B 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) | #1A1A1B | 0.079 |
| Deuteranopia (no green cones) | #26231A | 0.071 |
| Tritanopia (no blue cones) | #430914 | 0.018 |
| Achromatopsia (no color) | #202020 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D101B
#3D101B
oklch(25.2% 0.071 8.9)
- #002926
#002926
oklch(25.3% 0.044 187.4)
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 #3D101B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.037
- Deep Brown #410200 ΔE 0.041
- Mahogany #4A0100 ΔE 0.046
- Dark Plum #3F012C ΔE 0.049
- Chocolate Brown #411900 ΔE 0.052
- Aubergine #3D0734 ΔE 0.055
- Eggplant #380835 ΔE 0.059
- Dark Brown #341C02 ΔE 0.060
Use #3D101B 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.