#3B2E84
Closest named color: Dark Slate Blue (#483D8B). oklch(37% 0.138 284.3), rgb(59, 46, 132).
Aa
White text reads best on this color (10.99:1).
About this color
#3B2E84 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.138 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 10.99:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #3B2E84 |
| RGB | rgb(59, 46, 132) |
| HSL | hsl(249, 48%, 35%) |
| OKLCH | oklch(37% 0.138 284.3) |
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 #3B2E84 | 10.99:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #3B2E84 | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #3B2E84 text on white | 10.99:1 | AAA | Lc 95.0 | Preferred for body text |
| #3B2E84 text on black | 1.90:1 | Fails | Lc -7.6 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E8FE
oklch(93.7% 0.03 283.7)
-
Step 200
200
#D4D5FF
oklch(88.6% 0.058 284.1)
-
Step 300
300
#B9B8FF
oklch(80.9% 0.1 284.6)
-
Step 400
400
#9790FF
oklch(70.8% 0.159 284.4)
-
Step 500
500
#806EFF
oklch(63% 0.207 284.4)
-
Step 600
600
#6C4FF1
oklch(55.6% 0.23 284.2)
-
Step 700
700
#5B3ED2
oklch(49.1% 0.214 284.3)
-
Step 800
800
#4A35AA
oklch(42.8% 0.177 284.3)
-
Step 900
900 (this color)
#3B2E84
oklch(37% 0.138 284.3)
-
Step 950
950
#231D4F
oklch(27% 0.088 284.2)
#3B2E84 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) | #003F87 | 0.065 |
| Deuteranopia (no green cones) | #003982 | 0.062 |
| Tritanopia (no blue cones) | #1C4354 | 0.116 |
| Achromatopsia (no color) | #3C3C3C | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B2E84
#3B2E84
oklch(37% 0.138 284.3)
- #474100
#474100
oklch(37% 0.078 103.6)
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 #3B2E84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.059
- Indigo #4B0082 ΔE 0.070
- Cobalt #1E488F ΔE 0.071
- Twilight Blue #0A437A ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.074
- Sapphire #2138AB ΔE 0.075
- Indigo Blue #3A18B1 ΔE 0.080
Use #3B2E84 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.