#05345F
Closest named color: Marine (#042E60). oklch(32.2% 0.09 251.6), rgb(5, 52, 95).
Aa
White text reads best on this color (12.62:1).
About this color
#05345F is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.090 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.019 away. White text reads best on it, at 12.62:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.66:1 |
| White text | 12.62:1 |
Values
| HEX | #05345F |
| RGB | rgb(5, 52, 95) |
| HSL | hsl(209, 90%, 20%) |
| OKLCH | oklch(32.2% 0.09 251.6) |
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 #05345F | 12.62:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #05345F | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #05345F text on white | 12.62:1 | AAA | Lc 98.2 | Preferred for body text |
| #05345F text on black | 1.66:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DBECFE
oklch(93.6% 0.03 249.7)
-
Step 200
200
#BEDCFF
oklch(88.4% 0.058 252.4)
-
Step 300
300
#91C5FF
oklch(80.9% 0.099 251.8)
-
Step 400
400
#4CA4FF
oklch(70.7% 0.158 251.7)
-
Step 500
500
#008BF5
oklch(63.2% 0.186 251.5)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#00427A
oklch(37.7% 0.112 251.7)
-
Step 950
950 (this color)
#05345F
oklch(32.2% 0.09 251.6)
#05345F 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) | #1E3761 | 0.024 |
| Deuteranopia (no green cones) | #0D2F5E | 0.015 |
| Tritanopia (no blue cones) | #003E44 | 0.066 |
| Achromatopsia (no color) | #333333 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05345F
#05345F
oklch(32.2% 0.09 251.6)
- #492C00
#492C00
oklch(32.2% 0.069 70.9)
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 #05345F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.019
- Marine Blue #01386A ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.024
- Midnight Green #073B4C ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.049
- Gunmetal #293241 ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.062
Use #05345F 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.