#3E5284
Closest named color: Dusk (#4E5481). oklch(44.6% 0.086 266.5), rgb(62, 82, 132).
Aa
White text reads best on this color (7.65:1).
About this color
#3E5284 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.086 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.024 away. White text reads best on it, at 7.65:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #3E5284 |
| RGB | rgb(62, 82, 132) |
| HSL | hsl(223, 36%, 38%) |
| OKLCH | oklch(44.6% 0.086 266.5) |
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 #3E5284 | 7.65:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #3E5284 | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #3E5284 text on white | 7.65:1 | AAA | Lc 86.5 | Fine for body text |
| #3E5284 text on black | 2.74:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B2C0E2
oklch(80.8% 0.051 267.6)
-
Step 400
400
#89A0D4
oklch(70.8% 0.081 265.9)
-
Step 500
500
#6D87C8
oklch(63.1% 0.103 266.8)
-
Step 600
600
#5570B5
oklch(55.6% 0.112 266.6)
-
Step 700
700
#455E9C
oklch(49.2% 0.104 266.1)
-
Step 800
800 (this color)
#3E5284
oklch(44.6% 0.086 266.5)
-
Step 900
900
#314065
oklch(37.6% 0.067 266.5)
-
Step 950
950
#1D263B
oklch(27.1% 0.041 266)
#3E5284 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) | #3E5786 | 0.014 |
| Deuteranopia (no green cones) | #375083 | 0.011 |
| Tritanopia (no blue cones) | #1E5D64 | 0.078 |
| Achromatopsia (no color) | #535353 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E5284
#3E5284
oklch(44.6% 0.086 266.5)
- #69500C
#69500C
oklch(44.6% 0.086 86.2)
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 #3E5284, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.024
- Twilight #4E518B ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.027
- Dusk Blue #26538D ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.037
- Light Navy #155084 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.045
Use #3E5284 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.