#3E4386
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.11 277.2), rgb(62, 67, 134).
Aa
White text reads best on this color (8.92:1).
About this color
#3E4386 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.110 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.023 away. White text reads best on it, at 8.92:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #3E4386 |
| RGB | rgb(62, 67, 134) |
| HSL | hsl(236, 37%, 38%) |
| OKLCH | oklch(41.4% 0.11 277.2) |
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 #3E4386 | 8.92:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #3E4386 | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #3E4386 text on white | 8.92:1 | AAA | Lc 90.3 | Preferred for body text |
| #3E4386 text on black | 2.35:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D8F1
oklch(88.6% 0.035 276.7)
-
Step 300
300
#B6BDEB
oklch(80.9% 0.065 278.1)
-
Step 400
400
#909AE0
oklch(70.6% 0.103 277.2)
-
Step 500
500
#7680D8
oklch(63.1% 0.132 277)
-
Step 600
600
#6068C5
oklch(55.6% 0.142 277)
-
Step 700
700
#5056AA
oklch(49.1% 0.132 277.3)
-
Step 800
800 (this color)
#3E4386
oklch(41.4% 0.11 277.2)
-
Step 900
900
#373C6E
oklch(37.7% 0.085 277.2)
-
Step 950
950
#202341
oklch(27% 0.056 277.7)
#3E4386 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) | #244D88 | 0.038 |
| Deuteranopia (no green cones) | #1C4785 | 0.039 |
| Tritanopia (no blue cones) | #1F525E | 0.097 |
| Achromatopsia (no color) | #4A4A4A | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E4386
#3E4386
oklch(41.4% 0.11 277.2)
- #594B00
#594B00
oklch(41.5% 0.085 96.8)
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 #3E4386, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.023
- Blueberry #464196 ΔE 0.030
- Cobalt #1E488F ΔE 0.039
- Twilight #4E518B ΔE 0.049
- Dusk Blue #26538D ΔE 0.049
- Light Navy #155084 ΔE 0.052
- Twilight Blue #0A437A ΔE 0.057
- Dusk #4E5481 ΔE 0.059
Use #3E4386 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.