#3F001E
Closest named color: Dark Plum (#3F012C). oklch(23.9% 0.097 358.8), rgb(63, 0, 30).
Aa
White text reads best on this color (17.07:1).
About this color
#3F001E is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.097 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.027 away. White text reads best on it, at 17.07:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.23:1 |
| White text | 17.07:1 |
Values
| HEX | #3F001E |
| RGB | rgb(63, 0, 30) |
| HSL | hsl(331, 100%, 12%) |
| OKLCH | oklch(23.9% 0.097 358.8) |
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 #3F001E | 17.07:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3F001E | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #3F001E text on white | 17.07:1 | AAA | Lc 102.9 | Preferred for body text |
| #3F001E text on black | 1.23:1 | 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
#FFF1F5
oklch(97% 0.016 358)
-
Step 100
100
#FEE1E9
oklch(93.6% 0.033 359.2)
-
Step 200
200
#FEC8D8
oklch(88.5% 0.064 358.9)
-
Step 300
300
#FDA1BF
oklch(80.9% 0.114 358.9)
-
Step 400
400
#F7679E
oklch(70.8% 0.183 359)
-
Step 500
500
#EE2A87
oklch(63.1% 0.235 358.7)
-
Step 600
600
#D00071
oklch(55.7% 0.226 358.8)
-
Step 700
700
#B0005E
oklch(49.1% 0.2 359.1)
-
Step 800
800
#91004D
oklch(42.6% 0.173 358.7)
-
Step 900
900
#7A0040
oklch(37.6% 0.153 358.6)
-
Step 950
950 (this color)
#3F001E
oklch(23.9% 0.097 358.8)
#3F001E 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) | #0F141F | 0.112 |
| Deuteranopia (no green cones) | #21201D | 0.098 |
| Tritanopia (no blue cones) | #45000D | 0.035 |
| Achromatopsia (no color) | #1C1C1C | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F001E
#3F001E
oklch(23.9% 0.097 358.8)
- #00251F
#00251F
oklch(23.7% 0.043 179.4)
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 #3F001E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.027
- Dark Maroon #3C0008 ΔE 0.038
- Aubergine #3D0734 ΔE 0.042
- Eggplant #380835 ΔE 0.047
- Deep Brown #410200 ΔE 0.052
- Mahogany #4A0100 ΔE 0.057
- Eggplant Purple #430541 ΔE 0.065
- Dark Purple #35063E ΔE 0.067
Use #3F001E 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.