#3B2F6A
Closest named color: Prussian Blue (#1D3557). oklch(35.1% 0.099 289.7), rgb(59, 47, 106).
Aa
White text reads best on this color (11.66:1).
About this color
#3B2F6A is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.099 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.060 away. White text reads best on it, at 11.66:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.80:1 |
| White text | 11.66:1 |
Values
| HEX | #3B2F6A |
| RGB | rgb(59, 47, 106) |
| HSL | hsl(252, 39%, 30%) |
| OKLCH | oklch(35.1% 0.099 289.7) |
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 #3B2F6A | 11.66:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #3B2F6A | 1.80:1 | Fails | Lc 0.0 | Not readable |
| #3B2F6A text on white | 11.66:1 | AAA | Lc 96.6 | Preferred for body text |
| #3B2F6A text on black | 1.80:1 | 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
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F3
oklch(88.5% 0.041 290.1)
-
Step 300
300
#BFB9EE
oklch(80.9% 0.074 289.8)
-
Step 400
400
#9F93E6
oklch(70.6% 0.12 289.6)
-
Step 500
500
#8976DE
oklch(63% 0.152 289.7)
-
Step 600
600
#745DCC
oklch(55.7% 0.165 289.5)
-
Step 700
700
#624CB0
oklch(49.2% 0.153 289.7)
-
Step 800
800
#503F8F
oklch(42.8% 0.127 289.7)
-
Step 900
900 (this color)
#3B2F6A
oklch(35.1% 0.099 289.7)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#3B2F6A 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) | #143A6C | 0.056 |
| Deuteranopia (no green cones) | #153769 | 0.054 |
| Tritanopia (no blue cones) | #2E3B47 | 0.081 |
| Achromatopsia (no color) | #383838 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B2F6A
#3B2F6A
oklch(35.1% 0.099 289.7)
- #3E3E00
#3E3E00
oklch(35.2% 0.077 109.8)
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 #3B2F6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.060
- Marine Blue #01386A ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.069
- Marine #042E60 ΔE 0.072
- Twilight Blue #0A437A ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.077
- Dark Blue Grey #1F3B4D ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.081
Use #3B2F6A 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.