#305487
Closest named color: Dusk Blue (#26538D). oklch(44.4% 0.094 257.3), rgb(48, 84, 135).
Aa
White text reads best on this color (7.65:1).
About this color
#305487 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.094 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.014 away. White text reads best on it, at 7.65:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #305487 |
| RGB | rgb(48, 84, 135) |
| HSL | hsl(215, 48%, 36%) |
| OKLCH | oklch(44.4% 0.094 257.3) |
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 #305487 | 7.65:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #305487 | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #305487 text on white | 7.65:1 | AAA | Lc 86.4 | Fine for body text |
| #305487 text on black | 2.74:1 | Fails | Lc -15.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E5
oklch(80.9% 0.056 258.7)
-
Step 400
400
#7EA3D7
oklch(70.8% 0.087 256.9)
-
Step 500
500
#5C8BCD
oklch(63.2% 0.113 257)
-
Step 600
600
#4273BA
oklch(55.5% 0.123 257.7)
-
Step 700
700
#3461A0
oklch(49.2% 0.113 257.2)
-
Step 800
800 (this color)
#305487
oklch(44.4% 0.094 257.3)
-
Step 900
900
#274268
oklch(37.7% 0.073 257.1)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#305487 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) | #3E5889 | 0.022 |
| Deuteranopia (no green cones) | #325086 | 0.011 |
| Tritanopia (no blue cones) | #006067 | 0.079 |
| Achromatopsia (no color) | #535353 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305487
#305487
oklch(44.4% 0.094 257.3)
- #704C00
#704C00
oklch(44.5% 0.093 77.5)
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 #305487, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.014
- Light Navy Blue #2E5A88 ΔE 0.018
- Light Navy #155084 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.031
- Dusk #4E5481 ΔE 0.039
- Twilight #4E518B ΔE 0.040
- YInMn Blue #415A77 ΔE 0.041
Use #305487 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.