#364C78
Closest named color: Light Navy (#155084). oklch(42% 0.079 263.2), rgb(54, 76, 120).
Aa
White text reads best on this color (8.53:1).
About this color
#364C78 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.079 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.034 away. White text reads best on it, at 8.53:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.46:1 |
| White text | 8.53:1 |
Values
| HEX | #364C78 |
| RGB | rgb(54, 76, 120) |
| HSL | hsl(220, 38%, 34%) |
| OKLCH | oklch(42% 0.079 263.2) |
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 #364C78 | 8.53:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #364C78 | 2.46:1 | Fails | Lc 14.8 | Not readable |
| #364C78 text on white | 8.53:1 | AAA | Lc 89.2 | Fine for body text |
| #364C78 text on black | 2.46:1 | Fails | Lc -13.0 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0D9EB
oklch(88.4% 0.027 264.4)
-
Step 300
300
#B1C1DF
oklch(80.9% 0.046 263)
-
Step 400
400
#89A1CF
oklch(70.8% 0.073 263.2)
-
Step 500
500
#6B89C3
oklch(63.1% 0.094 263)
-
Step 600
600
#5372AF
oklch(55.6% 0.102 263)
-
Step 700
700
#445F97
oklch(49.1% 0.096 263.7)
-
Step 800
800 (this color)
#364C78
oklch(42% 0.079 263.2)
-
Step 900
900
#304162
oklch(37.6% 0.061 262.9)
-
Step 950
950
#1C263A
oklch(26.9% 0.04 263.6)
#364C78 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) | #3B507A | 0.014 |
| Deuteranopia (no green cones) | #334A77 | 0.008 |
| Tritanopia (no blue cones) | #14565C | 0.072 |
| Achromatopsia (no color) | #4C4C4C | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364C78
#364C78
oklch(42% 0.079 263.2)
- #62480F
#62480F
oklch(41.9% 0.079 82.2)
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 #364C78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.034
- Dusk Blue #26538D ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.044
- Dusk #4E5481 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.048
- Cobalt #1E488F ΔE 0.049
- Twilight #4E518B ΔE 0.049
Use #364C78 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.