#053479
Closest named color: Marine Blue (#01386A). oklch(34.3% 0.127 259.3), rgb(5, 52, 121).
Aa
White text reads best on this color (11.83:1).
About this color
#053479 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.127 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.030 away. White text reads best on it, at 11.83:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.77:1 |
| White text | 11.83:1 |
Values
| HEX | #053479 |
| RGB | rgb(5, 52, 121) |
| HSL | hsl(216, 92%, 25%) |
| OKLCH | oklch(34.3% 0.127 259.3) |
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 #053479 | 11.83:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #053479 | 1.77:1 | Fails | Lc 7.4 | Not readable |
| #053479 text on white | 11.83:1 | AAA | Lc 96.5 | Preferred for body text |
| #053479 text on black | 1.77:1 | 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 900.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DBFD
oklch(88.6% 0.053 259)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#64A0FF
oklch(70.8% 0.153 259.2)
-
Step 500
500
#3784FD
oklch(63.1% 0.196 259.4)
-
Step 600
600
#0B6AEC
oklch(55.6% 0.212 259.3)
-
Step 700
700
#0058CB
oklch(49.1% 0.193 259.2)
-
Step 800
800
#0548A6
oklch(42.7% 0.163 259.4)
-
Step 900
900 (this color)
#053479
oklch(34.3% 0.127 259.3)
-
Step 950
950
#0B254D
oklch(27% 0.081 259)
#053479 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) | #003D7B | 0.025 |
| Deuteranopia (no green cones) | #003378 | 0.005 |
| Tritanopia (no blue cones) | #004551 | 0.096 |
| Achromatopsia (no color) | #373737 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #053479
#053479
oklch(34.3% 0.127 259.3)
- #4C3400
#4C3400
oklch(34.4% 0.071 80.2)
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 #053479, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.030
- Twilight Blue #0A437A ΔE 0.044
- Marine #042E60 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.062
- Midnight Blue #191970 ΔE 0.066
- Royal #0C1793 ΔE 0.071
- Cobalt #1E488F ΔE 0.071
- Light Navy #155084 ΔE 0.085
Use #053479 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.