#3F0C1D
Closest named color: Dark Maroon (#3C0008). oklch(25.2% 0.08 4.8), rgb(63, 12, 29).
Aa
White text reads best on this color (16.38:1).
About this color
#3F0C1D is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.080 and its hue 5°. 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 16.38:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.28:1 |
| White text | 16.38:1 |
Values
| HEX | #3F0C1D |
| RGB | rgb(63, 12, 29) |
| HSL | hsl(340, 68%, 15%) |
| OKLCH | oklch(25.2% 0.08 4.8) |
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 #3F0C1D | 16.38:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #3F0C1D | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3F0C1D text on white | 16.38:1 | AAA | Lc 102.8 | Preferred for body text |
| #3F0C1D 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F9CBD4
oklch(88.4% 0.053 5.1)
-
Step 300
300
#F5A7B9
oklch(80.9% 0.094 4.3)
-
Step 400
400
#EC7494
oklch(70.7% 0.151 4.9)
-
Step 500
500
#E2487A
oklch(63.1% 0.193 4.8)
-
Step 600
600
#CD1C63
oklch(55.5% 0.209 4.8)
-
Step 700
700
#B10552
oklch(49.1% 0.195 4.8)
-
Step 800
800
#901043
oklch(42.7% 0.161 5.1)
-
Step 900
900
#741939
oklch(37.7% 0.127 4.7)
-
Step 950
950 (this color)
#3F0C1D
oklch(25.2% 0.08 4.8)
#3F0C1D 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) | #18191D | 0.089 |
| Deuteranopia (no green cones) | #25231C | 0.081 |
| Tritanopia (no blue cones) | #450413 | 0.021 |
| Achromatopsia (no color) | #202020 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F0C1D
#3F0C1D
oklch(25.2% 0.08 4.8)
- #002925
#002925
oklch(25.3% 0.045 185)
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 #3F0C1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.037
- Dark Plum #3F012C ΔE 0.040
- Deep Brown #410200 ΔE 0.043
- Mahogany #4A0100 ΔE 0.047
- Aubergine #3D0734 ΔE 0.048
- Eggplant #380835 ΔE 0.054
- Chocolate Brown #411900 ΔE 0.061
- Dark Brown #341C02 ΔE 0.070
Use #3F0C1D 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.