#305285
Closest named color: Dusk Blue (#26538D). oklch(43.8% 0.094 258.3), rgb(48, 82, 133).
Aa
White text reads best on this color (7.86:1).
About this color
#305285 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.094 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.015 away. White text reads best on it, at 7.86:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.67:1 |
| White text | 7.86:1 |
Values
| HEX | #305285 |
| RGB | rgb(48, 82, 133) |
| HSL | hsl(216, 47%, 35%) |
| OKLCH | oklch(43.8% 0.094 258.3) |
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 #305285 | 7.86:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #305285 | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #305285 text on white | 7.86:1 | AAA | Lc 87.1 | Fine for body text |
| #305285 text on black | 2.67:1 | Fails | Lc -15.0 | 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
#ABC2E4
oklch(80.8% 0.054 258)
-
Step 400
400
#7FA2D7
oklch(70.7% 0.087 258.5)
-
Step 500
500
#5E8ACD
oklch(63.1% 0.113 258.6)
-
Step 600
600
#4473B9
oklch(55.6% 0.121 258.2)
-
Step 700
700
#3660A0
oklch(49.1% 0.113 258.6)
-
Step 800
800 (this color)
#305285
oklch(43.8% 0.094 258.3)
-
Step 900
900
#284268
oklch(37.7% 0.073 257.8)
-
Step 950
950
#18273D
oklch(27.1% 0.046 257.8)
#305285 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) | #3C5687 | 0.020 |
| Deuteranopia (no green cones) | #304E84 | 0.012 |
| Tritanopia (no blue cones) | #005E65 | 0.079 |
| Achromatopsia (no color) | #525252 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305285
#305285
oklch(43.8% 0.094 258.3)
- #6D4B00
#6D4B00
oklch(43.9% 0.091 78.8)
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 #305285, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.015
- Light Navy Blue #2E5A88 ΔE 0.023
- Light Navy #155084 ΔE 0.024
- Deep Sea Blue #015482 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.035
- Dusk #4E5481 ΔE 0.040
- Twilight #4E518B ΔE 0.041
- Cobalt #1E488F ΔE 0.041
Use #305285 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.