#3C355F
Closest named color: Prussian Blue (#1D3557). oklch(35.7% 0.072 289.9), rgb(60, 53, 95).
Aa
White text reads best on this color (11.25:1).
About this color
#3C355F is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.072 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.049 away. White text reads best on it, at 11.25:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.86:1 |
| White text | 11.25:1 |
Values
| HEX | #3C355F |
| RGB | rgb(60, 53, 95) |
| HSL | hsl(250, 28%, 29%) |
| OKLCH | oklch(35.7% 0.072 289.9) |
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 #3C355F | 11.25:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #3C355F | 1.86:1 | Fails | Lc 8.0 | Not readable |
| #3C355F text on white | 11.25:1 | AAA | Lc 95.9 | Preferred for body text |
| #3C355F text on black | 1.86:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6EC
oklch(88.4% 0.03 289.9)
-
Step 300
300
#BFBBE2
oklch(80.8% 0.055 289.8)
-
Step 400
400
#9F98D3
oklch(70.7% 0.086 289.5)
-
Step 500
500
#897DC7
oklch(63.1% 0.11 290.3)
-
Step 600
600
#7365B4
oklch(55.5% 0.12 290.1)
-
Step 700
700
#61549B
oklch(49.2% 0.111 290.1)
-
Step 800
800
#4F457D
oklch(42.7% 0.091 290.2)
-
Step 900
900 (this color)
#3C355F
oklch(35.7% 0.072 289.9)
-
Step 950
950
#26223B
oklch(26.9% 0.046 290.3)
#3C355F 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) | #283C61 | 0.034 |
| Deuteranopia (no green cones) | #283A5E | 0.033 |
| Tritanopia (no blue cones) | #333D45 | 0.060 |
| Achromatopsia (no color) | #3B3B3B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C355F
#3C355F
oklch(35.7% 0.072 289.9)
- #3F3F09
#3F3F09
oklch(35.7% 0.071 109.5)
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 #3C355F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.063
- Onyx #343A40 ΔE 0.063
- Gunmetal #293241 ΔE 0.063
- Marine Blue #01386A ΔE 0.065
- Charcoal #264653 ΔE 0.068
Use #3C355F 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.