#3F0A23
Closest named color: Dark Plum (#3F012C). oklch(25.2% 0.085 356.5), rgb(63, 10, 35).
Aa
White text reads best on this color (16.41:1).
About this color
#3F0A23 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.085 and its hue 356°. 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 16.41:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.27:1 |
| White text | 16.41:1 |
Values
| HEX | #3F0A23 |
| RGB | rgb(63, 10, 35) |
| HSL | hsl(332, 73%, 14%) |
| OKLCH | oklch(25.2% 0.085 356.5) |
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 #3F0A23 | 16.41:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #3F0A23 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #3F0A23 text on white | 16.41:1 | AAA | Lc 102.7 | Preferred for body text |
| #3F0A23 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
#FEF2F6
oklch(97.2% 0.014 355)
-
Step 100
100
#FBE2EA
oklch(93.5% 0.029 356.3)
-
Step 200
200
#F9CBDA
oklch(88.6% 0.055 356.8)
-
Step 300
300
#F5A5C2
oklch(80.8% 0.101 356.2)
-
Step 400
400
#EC71A3
oklch(70.7% 0.16 356.4)
-
Step 500
500
#E2428C
oklch(63% 0.205 356.5)
-
Step 600
600
#CD0B76
oklch(55.5% 0.223 356.5)
-
Step 700
700
#AF0063
oklch(49.1% 0.201 356.6)
-
Step 800
800
#900451
oklch(42.7% 0.172 356.6)
-
Step 900
900
#741543
oklch(37.7% 0.134 356.7)
-
Step 950
950 (this color)
#3F0A23
oklch(25.2% 0.085 356.5)
#3F0A23 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) | #151924 | 0.094 |
| Deuteranopia (no green cones) | #232322 | 0.086 |
| Tritanopia (no blue cones) | #450515 | 0.028 |
| Achromatopsia (no color) | #1F1F1F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F0A23
#3F0A23
oklch(25.2% 0.085 356.5)
- #002921
#002921
oklch(25.1% 0.047 176.1)
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 #3F0A23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.027
- Aubergine #3D0734 ΔE 0.035
- Eggplant #380835 ΔE 0.042
- Dark Maroon #3C0008 ΔE 0.046
- Deep Brown #410200 ΔE 0.055
- Mahogany #4A0100 ΔE 0.058
- Eggplant Purple #430541 ΔE 0.059
- Dark Purple #35063E ΔE 0.062
Use #3F0A23 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.