#3C2C66
Closest named color: Prussian Blue (#1D3557). oklch(34.3% 0.098 293.3), rgb(60, 44, 102).
Aa
White text reads best on this color (12.03:1).
About this color
#3C2C66 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.098 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.061 away. White text reads best on it, at 12.03:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.74:1 |
| White text | 12.03:1 |
Values
| HEX | #3C2C66 |
| RGB | rgb(60, 44, 102) |
| HSL | hsl(257, 40%, 29%) |
| OKLCH | oklch(34.3% 0.098 293.3) |
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 #3C2C66 | 12.03:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #3C2C66 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #3C2C66 text on white | 12.03:1 | AAA | Lc 97.3 | Preferred for body text |
| #3C2C66 text on black | 1.74:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F2
oklch(88.6% 0.04 293.5)
-
Step 300
300
#C2B8EC
oklch(80.8% 0.073 293.5)
-
Step 400
400
#A492E3
oklch(70.7% 0.117 293.4)
-
Step 500
500
#8F75DB
oklch(63.2% 0.15 293.4)
-
Step 600
600
#7A5BC8
oklch(55.6% 0.163 293.5)
-
Step 700
700
#674AAD
oklch(49.1% 0.152 293.5)
-
Step 800
800
#543D8C
oklch(42.7% 0.126 293.8)
-
Step 900
900 (this color)
#3C2C66
oklch(34.3% 0.098 293.3)
-
Step 950
950
#282042
oklch(27.1% 0.062 292.6)
#3C2C66 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) | #123768 | 0.061 |
| Deuteranopia (no green cones) | #163565 | 0.057 |
| Tritanopia (no blue cones) | #313844 | 0.079 |
| Achromatopsia (no color) | #363636 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C2C66
#3C2C66
oklch(34.3% 0.098 293.3)
- #393C00
#393C00
oklch(34.2% 0.076 112.9)
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 #3C2C66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.061
- Marine Blue #01386A ΔE 0.070
- Marine #042E60 ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.073
- Royal Purple #4B006E ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.077
- Gunmetal #293241 ΔE 0.080
- Dark Blue Grey #1F3B4D ΔE 0.081
Use #3C2C66 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.