#3F0223
Closest named color: Dark Plum (#3F012C). oklch(24.3% 0.096 354), rgb(63, 2, 35).
Aa
White text reads best on this color (16.87:1).
About this color
#3F0223 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.096 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.018 away. White text reads best on it, at 16.87:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.24:1 |
| White text | 16.87:1 |
Values
| HEX | #3F0223 |
| RGB | rgb(63, 2, 35) |
| HSL | hsl(328, 94%, 13%) |
| OKLCH | oklch(24.3% 0.096 354) |
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 #3F0223 | 16.87:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #3F0223 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #3F0223 text on white | 16.87:1 | AAA | Lc 102.8 | Preferred for body text |
| #3F0223 text on black | 1.24:1 | 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
#FEF1F6
oklch(97% 0.015 352)
-
Step 100
100
#FDE1EB
oklch(93.5% 0.033 354.1)
-
Step 200
200
#FCC9DC
oklch(88.6% 0.063 354.2)
-
Step 300
300
#FBA1C6
oklch(80.9% 0.115 353.7)
-
Step 400
400
#F368A8
oklch(70.6% 0.182 354)
-
Step 500
500
#EA2F93
oklch(63.1% 0.233 354)
-
Step 600
600
#CE007C
oklch(55.7% 0.229 354.2)
-
Step 700
700
#AE0068
oklch(49.1% 0.202 354.2)
-
Step 800
800
#900055
oklch(42.7% 0.176 354.3)
-
Step 900
900
#780447
oklch(37.7% 0.152 353.9)
-
Step 950
950 (this color)
#3F0223
oklch(24.3% 0.096 354)
#3F0223 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) | #0F1624 | 0.110 |
| Deuteranopia (no green cones) | #212122 | 0.096 |
| Tritanopia (no blue cones) | #450011 | 0.036 |
| Achromatopsia (no color) | #1D1D1D | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F0223
#3F0223
oklch(24.3% 0.096 354)
- #00271E
#00271E
oklch(24.3% 0.047 173.4)
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 #3F0223, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.018
- Aubergine #3D0734 ΔE 0.032
- Eggplant #380835 ΔE 0.039
- Dark Maroon #3C0008 ΔE 0.047
- Eggplant Purple #430541 ΔE 0.056
- Dark Purple #35063E ΔE 0.059
- Deep Brown #410200 ΔE 0.060
- Deep Purple #36013F ΔE 0.062
Use #3F0223 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.