#344B79
Closest named color: Light Navy (#155084). oklch(41.7% 0.082 263.1), rgb(52, 75, 121).
Aa
White text reads best on this color (8.64:1).
About this color
#344B79 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.082 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.031 away. White text reads best on it, at 8.64:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #344B79 |
| RGB | rgb(52, 75, 121) |
| HSL | hsl(220, 40%, 34%) |
| OKLCH | oklch(41.7% 0.082 263.1) |
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 #344B79 | 8.64:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #344B79 | 2.42:1 | Fails | Lc 14.4 | Not readable |
| #344B79 text on white | 8.64:1 | AAA | Lc 89.6 | Fine for body text |
| #344B79 text on black | 2.42:1 | Fails | Lc -12.7 | 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
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B0C1E1
oklch(80.9% 0.049 263.1)
-
Step 400
400
#87A1D1
oklch(70.7% 0.077 262.4)
-
Step 500
500
#6A89C5
oklch(63.1% 0.098 263)
-
Step 600
600
#5272B2
oklch(55.7% 0.107 263.2)
-
Step 700
700
#425F99
oklch(49.1% 0.1 263.1)
-
Step 800
800 (this color)
#344B79
oklch(41.7% 0.082 263.1)
-
Step 900
900
#2F4164
oklch(37.7% 0.065 262.9)
-
Step 950
950
#1C263A
oklch(26.9% 0.04 263.6)
#344B79 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) | #384F7B | 0.014 |
| Deuteranopia (no green cones) | #304978 | 0.008 |
| Tritanopia (no blue cones) | #0C555C | 0.074 |
| Achromatopsia (no color) | #4C4C4C | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344B79
#344B79
oklch(41.7% 0.082 263.1)
- #624707
#624707
oklch(41.7% 0.082 82.4)
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 #344B79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.031
- Dusk Blue #26538D ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.040
- Cobalt #1E488F ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.046
- Twilight Blue #0A437A ΔE 0.047
- Dusk #4E5481 ΔE 0.049
- Twilight #4E518B ΔE 0.051
Use #344B79 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.