#305689
Closest named color: Light Navy Blue (#2E5A88). oklch(45% 0.095 256.3), rgb(48, 86, 137).
Aa
White text reads best on this color (7.45:1).
About this color
#305689 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.095 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.012 away. White text reads best on it, at 7.45:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #305689 |
| RGB | rgb(48, 86, 137) |
| HSL | hsl(214, 48%, 36%) |
| OKLCH | oklch(45% 0.095 256.3) |
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 #305689 | 7.45:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #305689 | 2.81:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #305689 text on white | 7.45:1 | AAA | Lc 85.7 | Fine for body text |
| #305689 text on black | 2.81:1 | Fails | Lc -16.3 | 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
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDAEE
oklch(88.4% 0.031 257.2)
-
Step 300
300
#AAC3E5
oklch(81% 0.055 256.1)
-
Step 400
400
#7CA3D8
oklch(70.7% 0.089 256.2)
-
Step 500
500
#5A8BCD
oklch(63.1% 0.113 256.2)
-
Step 600
600
#4074BA
oklch(55.7% 0.123 256.4)
-
Step 700
700
#3161A0
oklch(49.1% 0.114 256.1)
-
Step 800
800 (this color)
#305689
oklch(45% 0.095 256.3)
-
Step 900
900
#264268
oklch(37.6% 0.074 256.4)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#305689 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) | #405A8B | 0.023 |
| Deuteranopia (no green cones) | #345188 | 0.014 |
| Tritanopia (no blue cones) | #006269 | 0.078 |
| Achromatopsia (no color) | #555555 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305689
#305689
oklch(45% 0.095 256.3)
- #734D00
#734D00
oklch(45.1% 0.095 76.3)
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 #305689, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.012
- Dusk Blue #26538D ΔE 0.016
- Denim Blue #3B5B92 ΔE 0.024
- Light Navy #155084 ΔE 0.032
- Deep Sea Blue #015482 ΔE 0.033
- Dusk #4E5481 ΔE 0.038
- Twilight #4E518B ΔE 0.039
- YInMn Blue #415A77 ΔE 0.040
Use #305689 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.