#3B275C
Closest named color: Prussian Blue (#1D3557). oklch(32.5% 0.092 298.6), rgb(59, 39, 92).
Aa
White text reads best on this color (12.87:1).
About this color
#3B275C is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.092 and its hue 299°. 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 12.87:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.63:1 |
| White text | 12.87:1 |
Values
| HEX | #3B275C |
| RGB | rgb(59, 39, 92) |
| HSL | hsl(263, 40%, 26%) |
| OKLCH | oklch(32.5% 0.092 298.6) |
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 #3B275C | 12.87:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #3B275C | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #3B275C text on white | 12.87:1 | AAA | Lc 98.8 | Preferred for body text |
| #3B275C text on black | 1.63:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DCD4F0
oklch(88.5% 0.039 298.7)
-
Step 300
300
#C6B7E8
oklch(80.8% 0.07 298.8)
-
Step 400
400
#AA91DC
oklch(70.7% 0.11 298.9)
-
Step 500
500
#9574D2
oklch(63.1% 0.14 298.5)
-
Step 600
600
#805BBF
oklch(55.6% 0.152 298.4)
-
Step 700
700
#6D4AA5
oklch(49.2% 0.142 298.8)
-
Step 800
800
#583D86
oklch(42.7% 0.118 298.3)
-
Step 900
900 (this color)
#3B275C
oklch(32.5% 0.092 298.6)
-
Step 950
950
#2A1F3F
oklch(26.9% 0.059 298.2)
#3B275C 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) | #12325E | 0.064 |
| Deuteranopia (no green cones) | #18315B | 0.058 |
| Tritanopia (no blue cones) | #34313D | 0.071 |
| Achromatopsia (no color) | #323232 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B275C
#3B275C
oklch(32.5% 0.092 298.6)
- #313900
#313900
oklch(32.6% 0.076 118.1)
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 #3B275C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.061
- Gunmetal #293241 ΔE 0.071
- Marine #042E60 ΔE 0.072
- Plum Purple #4E0550 ΔE 0.072
- Deep Violet #490648 ΔE 0.074
- Royal Purple #4B006E ΔE 0.074
- Marine Blue #01386A ΔE 0.078
Use #3B275C 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.