#3E347D
Closest named color: Dark Slate Blue (#483D8B). oklch(37.8% 0.119 285.4), rgb(62, 52, 125).
Aa
White text reads best on this color (10.54:1).
About this color
#3E347D is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.119 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 10.54:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #3E347D |
| RGB | rgb(62, 52, 125) |
| HSL | hsl(248, 41%, 35%) |
| OKLCH | oklch(37.8% 0.119 285.4) |
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 #3E347D | 10.54:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #3E347D | 1.99:1 | Fails | Lc 9.7 | Not readable |
| #3E347D text on white | 10.54:1 | AAA | Lc 94.2 | Preferred for body text |
| #3E347D text on black | 1.99:1 | Fails | Lc -8.4 | 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
#F4F4FD
oklch(97% 0.012 286.2)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D5D5F9
oklch(88.4% 0.049 285.3)
-
Step 300
300
#BAB9F8
oklch(80.9% 0.088 285)
-
Step 400
400
#9992F5
oklch(70.7% 0.142 285.4)
-
Step 500
500
#8273F1
oklch(63.1% 0.182 285.3)
-
Step 600
600
#6E57E0
oklch(55.6% 0.199 285.6)
-
Step 700
700
#5C46C2
oklch(49% 0.185 285.5)
-
Step 800
800
#4B3B9D
oklch(42.7% 0.152 285.4)
-
Step 900
900 (this color)
#3E347D
oklch(37.8% 0.119 285.4)
-
Step 950
950
#241F49
oklch(27% 0.075 285.6)
#3E347D 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) | #05417F | 0.063 |
| Deuteranopia (no green cones) | #023D7B | 0.063 |
| Tritanopia (no blue cones) | #284453 | 0.099 |
| Achromatopsia (no color) | #3F3F3F | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E347D
#3E347D
oklch(37.8% 0.119 285.4)
- #484400
#484400
oklch(37.8% 0.081 105.9)
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 #3E347D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Blueberry #464196 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.065
- Cobalt #1E488F ΔE 0.065
- Marine Blue #01386A ΔE 0.075
- Indigo #4B0082 ΔE 0.083
- Light Navy #155084 ΔE 0.083
- Prussian Blue #1D3557 ΔE 0.084
Use #3E347D 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.