#334774
Closest named color: Light Navy (#155084). oklch(40.4% 0.08 264.9), rgb(51, 71, 116).
Aa
White text reads best on this color (9.15:1).
About this color
#334774 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.080 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.039 away. White text reads best on it, at 9.15:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #334774 |
| RGB | rgb(51, 71, 116) |
| HSL | hsl(222, 39%, 33%) |
| OKLCH | oklch(40.4% 0.08 264.9) |
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 #334774 | 9.15:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #334774 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #334774 text on white | 9.15:1 | AAA | Lc 91.0 | Preferred for body text |
| #334774 text on black | 2.29:1 | Fails | Lc -11.4 | 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
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B2C1E0
oklch(81% 0.047 264.9)
-
Step 400
400
#8AA0D0
oklch(70.7% 0.075 265.4)
-
Step 500
500
#6D88C4
oklch(63.1% 0.096 265.2)
-
Step 600
600
#5571B0
oklch(55.5% 0.104 265)
-
Step 700
700
#455F98
oklch(49.2% 0.097 264.5)
-
Step 800
800 (this color)
#334774
oklch(40.4% 0.08 264.9)
-
Step 900
900
#314163
oklch(37.8% 0.062 264.4)
-
Step 950
950
#1D263A
oklch(27% 0.04 265.3)
#334774 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) | #354B76 | 0.013 |
| Deuteranopia (no green cones) | #2D4573 | 0.010 |
| Tritanopia (no blue cones) | #115158 | 0.072 |
| Achromatopsia (no color) | #484848 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334774
#334774
oklch(40.4% 0.08 264.9)
- #5C4405
#5C4405
oklch(40.2% 0.08 84.7)
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 #334774, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.039
- Twilight Blue #0A437A ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.048
- Cobalt #1E488F ΔE 0.048
- Dusk Blue #26538D ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.059
Use #334774 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.