#3B286C
Closest named color: Royal Purple (#4B006E). oklch(33.9% 0.113 292.2), rgb(59, 40, 108).
Aa
White text reads best on this color (12.30:1).
About this color
#3B286C is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.113 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.067 away. White text reads best on it, at 12.30:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.70:1 |
| White text | 12.30:1 |
Values
| HEX | #3B286C |
| RGB | rgb(59, 40, 108) |
| HSL | hsl(257, 46%, 29%) |
| OKLCH | oklch(33.9% 0.113 292.2) |
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 #3B286C | 12.30:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #3B286C | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #3B286C text on white | 12.30:1 | AAA | Lc 97.7 | Preferred for body text |
| #3B286C text on black | 1.70:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C1B7F3
oklch(80.8% 0.084 292)
-
Step 400
400
#A38FEE
oklch(70.6% 0.137 292.2)
-
Step 500
500
#8E70E8
oklch(63% 0.174 292.2)
-
Step 600
600
#7A55D6
oklch(55.6% 0.189 292.4)
-
Step 700
700
#6745B9
oklch(49.2% 0.174 292.3)
-
Step 800
800
#533996
oklch(42.6% 0.146 291.9)
-
Step 900
900 (this color)
#3B286C
oklch(33.9% 0.113 292.2)
-
Step 950
950
#281E46
oklch(27% 0.072 292.4)
#3B286C 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) | #00366E | 0.072 |
| Deuteranopia (no green cones) | #00336B | 0.071 |
| Tritanopia (no blue cones) | #2D3746 | 0.090 |
| Achromatopsia (no color) | #353535 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B286C
#3B286C
oklch(33.9% 0.113 292.2)
- #393B00
#393B00
oklch(33.9% 0.075 111.9)
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 #3B286C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.067
- Indigo #4B0082 ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.070
- Midnight Blue #191970 ΔE 0.073
- Marine Blue #01386A ΔE 0.074
- Marine #042E60 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.077
- Space Cadet #2B2D42 ΔE 0.084
Use #3B286C 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.