#334B77
Closest named color: Light Navy (#155084). oklch(41.5% 0.08 261.8), rgb(51, 75, 119).
Aa
White text reads best on this color (8.70:1).
About this color
#334B77 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.080 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.032 away. White text reads best on it, at 8.70:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #334B77 |
| RGB | rgb(51, 75, 119) |
| HSL | hsl(219, 40%, 33%) |
| OKLCH | oklch(41.5% 0.08 261.8) |
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 #334B77 | 8.70:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #334B77 | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #334B77 text on white | 8.70:1 | AAA | Lc 89.7 | Fine for body text |
| #334B77 text on black | 2.41:1 | Fails | Lc -12.5 | 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
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B0C1E0
oklch(80.8% 0.048 262.5)
-
Step 400
400
#87A1D0
oklch(70.7% 0.075 262.1)
-
Step 500
500
#6989C3
oklch(63% 0.095 261.8)
-
Step 600
600
#5172B0
oklch(55.5% 0.104 262.2)
-
Step 700
700
#426097
oklch(49.2% 0.096 261.8)
-
Step 800
800 (this color)
#334B77
oklch(41.5% 0.08 261.8)
-
Step 900
900
#2F4163
oklch(37.6% 0.063 262.4)
-
Step 950
950
#1C263A
oklch(26.9% 0.04 263.6)
#334B77 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) | #394F79 | 0.015 |
| Deuteranopia (no green cones) | #314876 | 0.010 |
| Tritanopia (no blue cones) | #0A555B | 0.072 |
| Achromatopsia (no color) | #4B4B4B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334B77
#334B77
oklch(41.5% 0.08 261.8)
- #61470B
#61470B
oklch(41.5% 0.08 82.7)
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 #334B77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.032
- Dusk Blue #26538D ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.047
- Cobalt #1E488F ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.050
- Dusk #4E5481 ΔE 0.051
Use #334B77 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.