#3F021E
Closest named color: Dark Plum (#3F012C). oklch(24.1% 0.094 359.5), rgb(63, 2, 30).
Aa
White text reads best on this color (16.95:1).
About this color
#3F021E is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.094 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.028 away. White text reads best on it, at 16.95:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.23:1 |
| White text | 16.95:1 |
Values
| HEX | #3F021E |
| RGB | rgb(63, 2, 30) |
| HSL | hsl(332, 94%, 13%) |
| OKLCH | oklch(24.1% 0.094 359.5) |
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 #3F021E | 16.95:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3F021E | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #3F021E text on white | 16.95:1 | AAA | Lc 102.9 | Preferred for body text |
| #3F021E 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
#FFF2F5
oklch(97.2% 0.015 1.5)
-
Step 100
100
#FDE1E9
oklch(93.5% 0.032 358.5)
-
Step 200
200
#FDC9D8
oklch(88.6% 0.062 359.3)
-
Step 300
300
#FCA2BE
oklch(80.9% 0.111 359.7)
-
Step 400
400
#F5699D
oklch(70.7% 0.178 359.5)
-
Step 500
500
#EC3185
oklch(63.1% 0.227 359.5)
-
Step 600
600
#D0006F
oklch(55.6% 0.226 359.5)
-
Step 700
700
#B0005D
oklch(49.1% 0.199 359.5)
-
Step 800
800
#92004C
oklch(42.8% 0.174 359.6)
-
Step 900
900
#79063F
oklch(37.7% 0.148 359.5)
-
Step 950
950 (this color)
#3F021E
oklch(24.1% 0.094 359.5)
#3F021E 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) | #11151F | 0.107 |
| Deuteranopia (no green cones) | #22211D | 0.095 |
| Tritanopia (no blue cones) | #45000F | 0.030 |
| Achromatopsia (no color) | #1C1C1C | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F021E
#3F021E
oklch(24.1% 0.094 359.5)
- #002620
#002620
oklch(24.1% 0.044 179.7)
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 #3F021E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.028
- Dark Maroon #3C0008 ΔE 0.037
- Aubergine #3D0734 ΔE 0.042
- Eggplant #380835 ΔE 0.047
- Deep Brown #410200 ΔE 0.050
- Mahogany #4A0100 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.066
- Dark Purple #35063E ΔE 0.067
Use #3F021E 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.