#03568C
Closest named color: Deep Sea Blue (#015482). oklch(44% 0.112 246.3), rgb(3, 86, 140).
Aa
White text reads best on this color (7.73:1).
About this color
#03568C is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.112 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.017 away. White text reads best on it, at 7.73:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #03568C |
| RGB | rgb(3, 86, 140) |
| HSL | hsl(204, 96%, 28%) |
| OKLCH | oklch(44% 0.112 246.3) |
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 #03568C | 7.73:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #03568C | 2.71:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #03568C text on white | 7.73:1 | AAA | Lc 86.3 | Fine for body text |
| #03568C text on black | 2.71:1 | Fails | Lc -15.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C6DCF0
oklch(88.4% 0.036 245.7)
-
Step 300
300
#9EC5E9
oklch(80.8% 0.066 246.6)
-
Step 400
400
#67A7DE
oklch(70.7% 0.104 245.9)
-
Step 500
500
#378FD5
oklch(63% 0.134 246.4)
-
Step 600
600
#0078C2
oklch(55.6% 0.145 246.5)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800 (this color)
#03568C
oklch(44% 0.112 246.3)
-
Step 900
900
#0F456D
oklch(37.8% 0.087 246.1)
-
Step 950
950
#0C2840
oklch(26.9% 0.056 247.6)
#03568C 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) | #3B598E | 0.042 |
| Deuteranopia (no green cones) | #274E8B | 0.027 |
| Tritanopia (no blue cones) | #00636A | 0.078 |
| Achromatopsia (no color) | #535353 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03568C
#03568C
oklch(44% 0.112 246.3)
- #764600
#764600
oklch(44.1% 0.098 66.7)
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 #03568C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.017
- Dusk Blue #26538D ΔE 0.019
- Light Navy #155084 ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.030
- Cobalt #1E488F ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.045
- Peacock Blue #016795 ΔE 0.051
- Denim #3B638C ΔE 0.059
Use #03568C 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.