#3A2E86
Closest named color: Dark Slate Blue (#483D8B). oklch(37.1% 0.141 283.3), rgb(58, 46, 134).
Aa
White text reads best on this color (10.96:1).
About this color
#3A2E86 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.141 and its hue 283°. 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 10.96:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #3A2E86 |
| RGB | rgb(58, 46, 134) |
| HSL | hsl(248, 49%, 35%) |
| OKLCH | oklch(37.1% 0.141 283.3) |
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 #3A2E86 | 10.96:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #3A2E86 | 1.91:1 | Fails | Lc 9.0 | Not readable |
| #3A2E86 text on white | 10.96:1 | AAA | Lc 94.9 | Preferred for body text |
| #3A2E86 text on black | 1.91:1 | Fails | Lc -7.7 | 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
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300
#B8B9FF
oklch(81% 0.098 283.3)
-
Step 400
400
#9591FF
oklch(70.8% 0.158 283.2)
-
Step 500
500
#7E6FFF
oklch(63% 0.206 283.5)
-
Step 600
600
#6A4EF4
oklch(55.5% 0.235 283.4)
-
Step 700
700
#593DD5
oklch(49.1% 0.219 283.3)
-
Step 800
800
#4834AC
oklch(42.7% 0.181 283.2)
-
Step 900
900 (this color)
#3A2E86
oklch(37.1% 0.141 283.3)
-
Step 950
950
#221D50
oklch(27% 0.09 283)
#3A2E86 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) | #003F89 | 0.064 |
| Deuteranopia (no green cones) | #003984 | 0.060 |
| Tritanopia (no blue cones) | #174455 | 0.120 |
| Achromatopsia (no color) | #3C3C3C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A2E86
#3A2E86
oklch(37.1% 0.141 283.3)
- #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 #3A2E86, 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 0.058
- Cobalt #1E488F ΔE 0.070
- Indigo #4B0082 ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.071
- Sapphire #2138AB ΔE 0.072
- Twilight Blue #0A437A ΔE 0.073
- Indigo Blue #3A18B1 ΔE 0.076
Use #3A2E86 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.