#05345D
Closest named color: Marine (#042E60). oklch(32% 0.087 250.6), rgb(5, 52, 93).
Aa
White text reads best on this color (12.68:1).
About this color
#05345D is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.087 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.020 away. White text reads best on it, at 12.68:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #05345D |
| RGB | rgb(5, 52, 93) |
| HSL | hsl(208, 90%, 19%) |
| OKLCH | oklch(32% 0.087 250.6) |
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 #05345D | 12.68:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #05345D | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #05345D text on white | 12.68:1 | AAA | Lc 98.3 | Preferred for body text |
| #05345D text on black | 1.65:1 | 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
#DCECFE
oklch(93.7% 0.03 251.3)
-
Step 200
200
#BEDDFE
oklch(88.6% 0.056 250.1)
-
Step 300
300
#8FC6FF
oklch(81% 0.099 250)
-
Step 400
400
#48A5FF
oklch(70.7% 0.159 250.5)
-
Step 500
500
#008CF2
oklch(63.2% 0.182 250.6)
-
Step 600
600
#0075CC
oklch(55.6% 0.16 250.6)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950 (this color)
#05345D
oklch(32% 0.087 250.6)
#05345D 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) | #1F375F | 0.025 |
| Deuteranopia (no green cones) | #102F5C | 0.016 |
| Tritanopia (no blue cones) | #003E44 | 0.063 |
| Achromatopsia (no color) | #333333 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05345D
#05345D
oklch(32% 0.087 250.6)
- #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 #05345D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.022
- Marine Blue #01386A ΔE 0.024
- Midnight Green #073B4C ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.046
- Gunmetal #293241 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.059
- Twilight Blue #0A437A ΔE 0.065
Use #05345D 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.