#3D1001
Closest named color: Deep Brown (#410200). oklch(24.7% 0.075 39.9), rgb(61, 16, 1).
Aa
White text reads best on this color (16.49:1).
About this color
#3D1001 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.075 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.025 away. White text reads best on it, at 16.49:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.27:1 |
| White text | 16.49:1 |
Values
| HEX | #3D1001 |
| RGB | rgb(61, 16, 1) |
| HSL | hsl(15, 97%, 12%) |
| OKLCH | oklch(24.7% 0.075 39.9) |
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 #3D1001 | 16.49:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3D1001 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #3D1001 text on white | 16.49:1 | AAA | Lc 102.9 | Preferred for body text |
| #3D1001 text on black | 1.27:1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE5DD
oklch(93.7% 0.026 42.1)
-
Step 200
200
#F7CFC1
oklch(88.5% 0.049 40.2)
-
Step 300
300
#F3AD95
oklch(80.8% 0.089 39.7)
-
Step 400
400
#EA7E58
oklch(70.6% 0.143 39.9)
-
Step 500
500
#E0581F
oklch(63.1% 0.182 40.2)
-
Step 600
600
#C34200
oklch(55.6% 0.175 39.8)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#722300
oklch(37.6% 0.118 39.8)
-
Step 950
950 (this color)
#3D1001
oklch(24.7% 0.075 39.9)
#3D1001 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) | #1D1900 | 0.076 |
| Deuteranopia (no green cones) | #282300 | 0.069 |
| Tritanopia (no blue cones) | #44040D | 0.034 |
| Achromatopsia (no color) | #1F1F1F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D1001
#3D1001
oklch(24.7% 0.075 39.9)
- #002630
#002630
oklch(24.8% 0.045 219.7)
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 #3D1001, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.025
- Chocolate Brown #411900 ΔE 0.026
- Mahogany #4A0100 ΔE 0.035
- Dark Brown #341C02 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.038
- Jet #212529 ΔE 0.085
- Dark Plum #3F012C ΔE 0.086
- Aubergine #3D0734 ΔE 0.095
Use #3D1001 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.