#3C305C
Closest named color: Prussian Blue (#1D3557). oklch(34.4% 0.076 294.7), rgb(60, 48, 92).
Aa
White text reads best on this color (11.86:1).
About this color
#3C305C is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.076 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.050 away. White text reads best on it, at 11.86:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.76:1 |
| White text | 11.86:1 |
Values
| HEX | #3C305C |
| RGB | rgb(60, 48, 92) |
| HSL | hsl(256, 31%, 27%) |
| OKLCH | oklch(34.4% 0.076 294.7) |
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 #3C305C | 11.86:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #3C305C | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #3C305C text on white | 11.86:1 | AAA | Lc 97.1 | Preferred for body text |
| #3C305C text on black | 1.76:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5EC
oklch(88.4% 0.032 295.7)
-
Step 300
300
#C2BAE2
oklch(80.9% 0.056 294.3)
-
Step 400
400
#A495D4
oklch(70.6% 0.092 294.9)
-
Step 500
500
#8E7AC8
oklch(63% 0.116 294.6)
-
Step 600
600
#7962B5
oklch(55.6% 0.127 294.7)
-
Step 700
700
#66519C
oklch(49.1% 0.118 294.6)
-
Step 800
800
#53437E
oklch(42.8% 0.096 294.5)
-
Step 900
900 (this color)
#3C305C
oklch(34.4% 0.076 294.7)
-
Step 950
950
#28213B
oklch(26.9% 0.048 295.4)
#3C305C 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) | #22385E | 0.043 |
| Deuteranopia (no green cones) | #24375B | 0.041 |
| Tritanopia (no blue cones) | #353841 | 0.061 |
| Achromatopsia (no color) | #373737 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C305C
#3C305C
oklch(34.4% 0.076 294.7)
- #383D03
#383D03
oklch(34.4% 0.075 114.9)
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 #3C305C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.056
- Gunmetal #293241 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.063
- Onyx #343A40 ΔE 0.067
- Marine Blue #01386A ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.071
- Marine #042E60 ΔE 0.072
Use #3C305C 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.