#3C0F21
Closest named color: Dark Plum (#3F012C). oklch(25.1% 0.073 359.1), rgb(60, 15, 33).
Aa
White text reads best on this color (16.37:1).
About this color
#3C0F21 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.073 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.037 away. White text reads best on it, at 16.37:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.28:1 |
| White text | 16.37:1 |
Values
| HEX | #3C0F21 |
| RGB | rgb(60, 15, 33) |
| HSL | hsl(336, 60%, 15%) |
| OKLCH | oklch(25.1% 0.073 359.1) |
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 #3C0F21 | 16.37:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3C0F21 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3C0F21 text on white | 16.37:1 | AAA | Lc 102.9 | Preferred for body text |
| #3C0F21 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F5CDD8
oklch(88.6% 0.047 359.7)
-
Step 300
300
#F0A9BF
oklch(80.8% 0.088 359)
-
Step 400
400
#E5799E
oklch(70.8% 0.139 359.5)
-
Step 500
500
#D95187
oklch(63% 0.177 358.9)
-
Step 600
600
#C52E70
oklch(55.7% 0.193 359.4)
-
Step 700
700
#A91E5E
oklch(49% 0.179 359.1)
-
Step 800
800
#8A1D4D
oklch(42.8% 0.149 359.2)
-
Step 900
900
#6F1F40
oklch(37.7% 0.117 359.1)
-
Step 950
950 (this color)
#3C0F21
oklch(25.1% 0.073 359.1)
#3C0F21 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) | #171A21 | 0.082 |
| Deuteranopia (no green cones) | #242320 | 0.074 |
| Tritanopia (no blue cones) | #410A16 | 0.022 |
| Achromatopsia (no color) | #202020 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C0F21
#3C0F21
oklch(25.1% 0.073 359.1)
- #002922
#002922
oklch(25.1% 0.046 178.2)
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 #3C0F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.037
- Aubergine #3D0734 ΔE 0.043
- Dark Maroon #3C0008 ΔE 0.043
- Eggplant #380835 ΔE 0.047
- Deep Brown #410200 ΔE 0.051
- Mahogany #4A0100 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.064
- Dark Purple #35063E ΔE 0.066
Use #3C0F21 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.