#003560
Closest named color: Marine Blue (#01386A). oklch(32.4% 0.091 249.9), rgb(0, 53, 96).
Aa
White text reads best on this color (12.51:1).
About this color
#003560 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.019 away. White text reads best on it, at 12.51:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.67:1 |
| White text | 12.51:1 |
Values
| HEX | #003560 |
| RGB | rgb(0, 53, 96) |
| HSL | hsl(207, 100%, 19%) |
| OKLCH | oklch(32.4% 0.091 249.9) |
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 #003560 | 12.51:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #003560 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #003560 text on white | 12.51:1 | AAA | Lc 97.9 | Preferred for body text |
| #003560 text on black | 1.67:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300
#9FC5EC
oklch(80.9% 0.069 249.4)
-
Step 400
400
#69A5E2
oklch(70.6% 0.11 250)
-
Step 500
500
#3C8DDA
oklch(63% 0.14 250.1)
-
Step 600
600
#0D76C8
oklch(55.6% 0.153 249.9)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#06518C
oklch(42.8% 0.117 249.9)
-
Step 900
900 (this color)
#003560
oklch(32.4% 0.091 249.9)
-
Step 950
950
#0D2841
oklch(27% 0.057 249.3)
#003560 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) | #1F3862 | 0.027 |
| Deuteranopia (no green cones) | #0D305F | 0.016 |
| Tritanopia (no blue cones) | #003F45 | 0.066 |
| Achromatopsia (no color) | #343434 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003560
#003560
oklch(32.4% 0.091 249.9)
- #4A2C00
#4A2C00
oklch(32.3% 0.07 69.8)
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 #003560, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.019
- Marine #042E60 ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.026
- Midnight Green #073B4C ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.049
- Twilight Blue #0A437A ΔE 0.060
- Gunmetal #293241 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.064
Use #003560 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.