#3A275D
Closest named color: Prussian Blue (#1D3557). oklch(32.5% 0.093 297.2), rgb(58, 39, 93).
Aa
White text reads best on this color (12.89:1).
About this color
#3A275D is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.093 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.060 away. White text reads best on it, at 12.89:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.62:1 |
| White text | 12.89:1 |
Values
| HEX | #3A275D |
| RGB | rgb(58, 39, 93) |
| HSL | hsl(261, 41%, 26%) |
| OKLCH | oklch(32.5% 0.093 297.2) |
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 #3A275D | 12.89:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #3A275D | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #3A275D text on white | 12.89:1 | AAA | Lc 98.9 | Preferred for body text |
| #3A275D text on black | 1.62:1 | 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
#DBD4F0
oklch(88.4% 0.039 297)
-
Step 300
300
#C5B8E9
oklch(81% 0.07 297)
-
Step 400
400
#A891DE
oklch(70.7% 0.113 297.2)
-
Step 500
500
#9474D4
oklch(63.1% 0.143 297.5)
-
Step 600
600
#7F5BC1
oklch(55.6% 0.154 297.4)
-
Step 700
700
#6B4AA7
oklch(49.1% 0.144 297.2)
-
Step 800
800
#573D87
oklch(42.6% 0.119 297.3)
-
Step 900
900 (this color)
#3A275D
oklch(32.5% 0.093 297.2)
-
Step 950
950
#2A1F3F
oklch(26.9% 0.059 298.2)
#3A275D 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) | #10325F | 0.063 |
| Deuteranopia (no green cones) | #16315C | 0.058 |
| Tritanopia (no blue cones) | #32323E | 0.073 |
| Achromatopsia (no color) | #323232 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A275D
#3A275D
oklch(32.5% 0.093 297.2)
- #323900
#323900
oklch(32.7% 0.075 117.1)
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 #3A275D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.061
- Marine #042E60 ΔE 0.070
- Gunmetal #293241 ΔE 0.072
- Plum Purple #4E0550 ΔE 0.073
- Royal Purple #4B006E ΔE 0.074
- Deep Violet #490648 ΔE 0.075
- Marine Blue #01386A ΔE 0.076
Use #3A275D 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.