#3E386C
Closest named color: Dark Slate Blue (#483D8B). oklch(37.3% 0.087 286.7), rgb(62, 56, 108).
Aa
White text reads best on this color (10.56:1).
About this color
#3E386C is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.087 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 10.56:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #3E386C |
| RGB | rgb(62, 56, 108) |
| HSL | hsl(247, 32%, 32%) |
| OKLCH | oklch(37.3% 0.087 286.7) |
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 #3E386C | 10.56:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #3E386C | 1.98:1 | Fails | Lc 9.5 | Not readable |
| #3E386C text on white | 10.56:1 | AAA | Lc 94.4 | Preferred for body text |
| #3E386C text on black | 1.98:1 | Fails | Lc -8.2 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D7D6F1
oklch(88.5% 0.037 287.3)
-
Step 300
300
#BDBBE9
oklch(80.9% 0.064 286.9)
-
Step 400
400
#9C97DF
oklch(70.8% 0.104 286.6)
-
Step 500
500
#847BD6
oklch(63.1% 0.134 286.4)
-
Step 600
600
#6F62C3
oklch(55.5% 0.146 286.8)
-
Step 700
700
#5D51A8
oklch(49.1% 0.135 286.7)
-
Step 800
800
#4C4388
oklch(42.7% 0.111 286.7)
-
Step 900
900 (this color)
#3E386C
oklch(37.3% 0.087 286.7)
-
Step 950
950
#252240
oklch(27.1% 0.055 286.7)
#3E386C 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) | #25406E | 0.039 |
| Deuteranopia (no green cones) | #243D6B | 0.038 |
| Tritanopia (no blue cones) | #31424C | 0.074 |
| Achromatopsia (no color) | #3F3F3F | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E386C
#3E386C
oklch(37.3% 0.087 286.7)
- #464300
#464300
oklch(37.4% 0.08 106.8)
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 #3E386C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Twilight Blue #0A437A ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.063
- Marine Blue #01386A ΔE 0.067
- Blueberry #464196 ΔE 0.074
- Cobalt #1E488F ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.075
Use #3E386C 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.