#3C2969
Closest named color: Prussian Blue (#1D3557). oklch(34% 0.107 293.6), rgb(60, 41, 105).
Aa
White text reads best on this color (12.25:1).
About this color
#3C2969 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.107 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.067 away. White text reads best on it, at 12.25:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.71:1 |
| White text | 12.25:1 |
Values
| HEX | #3C2969 |
| RGB | rgb(60, 41, 105) |
| HSL | hsl(258, 44%, 29%) |
| OKLCH | oklch(34% 0.107 293.6) |
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 #3C2969 | 12.25:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #3C2969 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #3C2969 text on white | 12.25:1 | AAA | Lc 97.7 | Preferred for body text |
| #3C2969 text on black | 1.71:1 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F5
oklch(88.5% 0.045 293.8)
-
Step 300
300
#C2B7F0
oklch(80.8% 0.08 293.4)
-
Step 400
400
#A590E9
oklch(70.7% 0.129 293.7)
-
Step 500
500
#9072E2
oklch(63.2% 0.164 293.5)
-
Step 600
600
#7B57D0
oklch(55.6% 0.179 293.4)
-
Step 700
700
#6846B4
oklch(49.1% 0.167 293.6)
-
Step 800
800
#553A92
oklch(42.7% 0.139 293.8)
-
Step 900
900 (this color)
#3C2969
oklch(34% 0.107 293.6)
-
Step 950
950
#291F44
oklch(27.1% 0.067 293.9)
#3C2969 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) | #04366B | 0.071 |
| Deuteranopia (no green cones) | #0B3468 | 0.067 |
| Tritanopia (no blue cones) | #303744 | 0.087 |
| Achromatopsia (no color) | #353535 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C2969
#3C2969
oklch(34% 0.107 293.6)
- #383C00
#383C00
oklch(34.1% 0.077 113.9)
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 #3C2969, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.067
- Royal Purple #4B006E ΔE 0.069
- Marine Blue #01386A ΔE 0.074
- Marine #042E60 ΔE 0.074
- Indigo #4B0082 ΔE 0.075
- Midnight Blue #191970 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.078
- Space Cadet #2B2D42 ΔE 0.079
Use #3C2969 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.