#334F76
Closest named color: Light Navy (#155084). oklch(42.4% 0.074 256.8), rgb(51, 79, 118).
Aa
White text reads best on this color (8.33:1).
About this color
#334F76 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.074 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.033 away. White text reads best on it, at 8.33:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.52:1 |
| White text | 8.33:1 |
Values
| HEX | #334F76 |
| RGB | rgb(51, 79, 118) |
| HSL | hsl(215, 40%, 33%) |
| OKLCH | oklch(42.4% 0.074 256.8) |
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 #334F76 | 8.33:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #334F76 | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #334F76 text on white | 8.33:1 | AAA | Lc 88.6 | Fine for body text |
| #334F76 text on black | 2.52:1 | Fails | Lc -13.6 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#CFDAE9
oklch(88.5% 0.024 256.1)
-
Step 300
300
#AFC2DD
oklch(80.8% 0.044 257.1)
-
Step 400
400
#85A3CC
oklch(70.8% 0.069 256.3)
-
Step 500
500
#678BBE
oklch(63.1% 0.087 257.1)
-
Step 600
600
#4E75AB
oklch(55.7% 0.095 256.7)
-
Step 700
700
#3E6293
oklch(49.2% 0.089 256.4)
-
Step 800
800 (this color)
#334F76
oklch(42.4% 0.074 256.8)
-
Step 900
900
#2D4260
oklch(37.6% 0.058 257.3)
-
Step 950
950
#1B2738
oklch(27% 0.036 257.1)
#334F76 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) | #3F5178 | 0.018 |
| Deuteranopia (no green cones) | #374B75 | 0.012 |
| Tritanopia (no blue cones) | #0A585D | 0.066 |
| Achromatopsia (no color) | #4E4E4E | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334F76
#334F76
oklch(42.4% 0.074 256.8)
- #654819
#654819
oklch(42.4% 0.074 76.1)
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 #334F76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.036
- Dusk Blue #26538D ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.040
- Dusk #4E5481 ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.052
- Twilight #4E518B ΔE 0.053
Use #334F76 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.