#334D80
Closest named color: Light Navy (#155084). oklch(42.5% 0.091 262.7), rgb(51, 77, 128).
Aa
White text reads best on this color (8.35:1).
About this color
#334D80 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.091 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.026 away. White text reads best on it, at 8.35:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #334D80 |
| RGB | rgb(51, 77, 128) |
| HSL | hsl(220, 43%, 35%) |
| OKLCH | oklch(42.5% 0.091 262.7) |
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 #334D80 | 8.35:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #334D80 | 2.51:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #334D80 text on white | 8.35:1 | AAA | Lc 88.7 | Fine for body text |
| #334D80 text on black | 2.51:1 | Fails | Lc -13.5 | 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
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAED
oklch(88.6% 0.029 261.5)
-
Step 300
300
#AFC1E4
oklch(80.9% 0.053 263.7)
-
Step 400
400
#84A1D6
oklch(70.7% 0.085 262.2)
-
Step 500
500
#6689CB
oklch(63.2% 0.108 262.4)
-
Step 600
600
#4D71B8
oklch(55.5% 0.118 262.8)
-
Step 700
700
#3E5F9F
oklch(49.2% 0.11 262.5)
-
Step 800
800 (this color)
#334D80
oklch(42.5% 0.091 262.7)
-
Step 900
900
#2D4167
oklch(37.7% 0.07 262.4)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#334D80 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) | #385282 | 0.017 |
| Deuteranopia (no green cones) | #2E4B7F | 0.009 |
| Tritanopia (no blue cones) | #005860 | 0.080 |
| Achromatopsia (no color) | #4E4E4E | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334D80
#334D80
oklch(42.5% 0.091 262.7)
- #664900
#664900
oklch(42.6% 0.088 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 #334D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.026
- Dusk Blue #26538D ΔE 0.026
- Deep Sea Blue #015482 ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.038
- Cobalt #1E488F ΔE 0.038
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.049
Use #334D80 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.