#305B82
Closest named color: Light Navy Blue (#2E5A88). oklch(45.8% 0.08 247.8), rgb(48, 91, 130).
Aa
White text reads best on this color (7.13:1).
About this color
#305B82 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.080 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.011 away. White text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #305B82 |
| RGB | rgb(48, 91, 130) |
| HSL | hsl(209, 46%, 35%) |
| OKLCH | oklch(45.8% 0.08 247.8) |
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 #305B82 | 7.13:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #305B82 | 2.94:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #305B82 text on white | 7.13:1 | AAA | Lc 84.6 | Fine for body text |
| #305B82 text on black | 2.94:1 | Fails | Lc -17.4 | Dividers and decoration only |
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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DE
oklch(80.9% 0.047 247.4)
-
Step 400
400
#7BA5CD
oklch(70.6% 0.075 247.7)
-
Step 500
500
#588EC1
oklch(63% 0.096 248.3)
-
Step 600
600
#3C78AD
oklch(55.7% 0.104 247.5)
-
Step 700
700
#2E6495
oklch(49% 0.098 248.5)
-
Step 800
800 (this color)
#305B82
oklch(45.8% 0.08 247.8)
-
Step 900
900
#254461
oklch(37.7% 0.062 248.3)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#305B82 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) | #4A5C84 | 0.031 |
| Deuteranopia (no green cones) | #3F5481 | 0.025 |
| Tritanopia (no blue cones) | #006469 | 0.063 |
| Achromatopsia (no color) | #585858 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305B82
#305B82
oklch(45.8% 0.08 247.8)
- #754E21
#754E21
oklch(45.8% 0.08 67.1)
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 #305B82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.011
- YInMn Blue #415A77 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.030
- Denim #3B638C ΔE 0.031
- Dusk Blue #26538D ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.039
- Dusk #4E5481 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.042
Use #305B82 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.