#3E4591
Closest named color: Blueberry (#464196). oklch(42.6% 0.124 275.9), rgb(62, 69, 145).
Aa
White text reads best on this color (8.51:1).
About this color
#3E4591 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.124 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.017 away. White text reads best on it, at 8.51:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.46:1 |
| White text | 8.51:1 |
Values
| HEX | #3E4591 |
| RGB | rgb(62, 69, 145) |
| HSL | hsl(235, 40%, 41%) |
| OKLCH | oklch(42.6% 0.124 275.9) |
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 #3E4591 | 8.51:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #3E4591 | 2.46:1 | Fails | Lc 14.9 | Not readable |
| #3E4591 text on white | 8.51:1 | AAA | Lc 89.1 | Fine for body text |
| #3E4591 text on black | 2.46:1 | Fails | Lc -13.1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D1D8F4
oklch(88.6% 0.039 274.4)
-
Step 300
300
#B3BDF0
oklch(80.8% 0.073 276)
-
Step 400
400
#8D9AE8
oklch(70.7% 0.115 275.8)
-
Step 500
500
#727FE1
oklch(63.1% 0.147 275.7)
-
Step 600
600
#5C66CF
oklch(55.6% 0.16 275.8)
-
Step 700
700
#4C54B3
oklch(49.1% 0.149 275.8)
-
Step 800
800 (this color)
#3E4591
oklch(42.6% 0.124 275.9)
-
Step 900
900
#343B74
oklch(37.7% 0.097 275.5)
-
Step 950
950
#1F2344
oklch(27.1% 0.061 276.3)
#3E4591 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) | #1D5094 | 0.042 |
| Deuteranopia (no green cones) | #0E498F | 0.046 |
| Tritanopia (no blue cones) | #105664 | 0.109 |
| Achromatopsia (no color) | #4D4D4D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E4591
#3E4591
oklch(42.6% 0.124 275.9)
- #5D4E00
#5D4E00
oklch(42.6% 0.088 96.3)
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 #3E4591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.017
- Dark Slate Blue #483D8B ΔE 0.025
- Cobalt #1E488F ΔE 0.036
- Dusk Blue #26538D ΔE 0.046
- Twilight #4E518B ΔE 0.046
- Light Navy #155084 ΔE 0.055
- Dusk #4E5481 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.061
Use #3E4591 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.