#3C2C70
Closest named color: Dark Slate Blue (#483D8B). oklch(35.1% 0.113 290.2), rgb(60, 44, 112).
Aa
White text reads best on this color (11.75:1).
About this color
#3C2C70 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.113 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.065 away. White text reads best on it, at 11.75:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.78:1 |
| White text | 11.75:1 |
Values
| HEX | #3C2C70 |
| RGB | rgb(60, 44, 112) |
| HSL | hsl(254, 44%, 31%) |
| OKLCH | oklch(35.1% 0.113 290.2) |
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 #3C2C70 | 11.75:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #3C2C70 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #3C2C70 text on white | 11.75:1 | AAA | Lc 96.7 | Preferred for body text |
| #3C2C70 text on black | 1.78:1 | 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 900.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F7
oklch(88.4% 0.048 290.6)
-
Step 300
300
#BFB8F4
oklch(80.9% 0.084 289.7)
-
Step 400
400
#A090EE
oklch(70.6% 0.135 290.3)
-
Step 500
500
#8B72E9
oklch(63.2% 0.173 290.2)
-
Step 600
600
#7657D7
oklch(55.6% 0.188 290.1)
-
Step 700
700
#6446BA
oklch(49.1% 0.174 290.4)
-
Step 800
800
#513A97
oklch(42.7% 0.145 290.2)
-
Step 900
900 (this color)
#3C2C70
oklch(35.1% 0.113 290.2)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#3C2C70 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) | #013972 | 0.069 |
| Deuteranopia (no green cones) | #04366F | 0.067 |
| Tritanopia (no blue cones) | #2D3B49 | 0.092 |
| Achromatopsia (no color) | #383838 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C2C70
#3C2C70
oklch(35.1% 0.113 290.2)
- #3D3E00
#3D3E00
oklch(35.1% 0.077 110.8)
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 #3C2C70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.071
- Marine Blue #01386A ΔE 0.071
- Indigo #4B0082 ΔE 0.073
- Royal Purple #4B006E ΔE 0.074
- Marine #042E60 ΔE 0.077
- Twilight Blue #0A437A ΔE 0.077
- Midnight Blue #191970 ΔE 0.080
Use #3C2C70 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.