#0368BA
Closest named color: Mid Blue (#276AB3). oklch(51.4% 0.151 251.8), rgb(3, 104, 186).
Aa
White text reads best on this color (5.68:1).
About this color
#0368BA is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.151 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.020 away. White text reads best on it, at 5.68:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #0368BA |
| RGB | rgb(3, 104, 186) |
| HSL | hsl(207, 97%, 37%) |
| OKLCH | oklch(51.4% 0.151 251.8) |
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 #0368BA | 5.68:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #0368BA | 3.69:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #0368BA text on white | 5.68:1 | AA | Lc 77.8 | Fine for body text |
| #0368BA text on black | 3.69:1 | AA large text | Lc -24.0 | 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 700.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF4
oklch(88.6% 0.041 250.6)
-
Step 300
300
#9EC4EF
oklch(80.8% 0.074 251.8)
-
Step 400
400
#68A5E7
oklch(70.8% 0.116 251.5)
-
Step 500
500
#3A8CE0
oklch(63% 0.149 251.9)
-
Step 600
600
#0774CE
oklch(55.5% 0.163 251.9)
-
Step 700
700 (this color)
#0368BA
oklch(51.4% 0.151 251.8)
-
Step 800
800
#025090
oklch(42.7% 0.124 251.4)
-
Step 900
900
#114373
oklch(37.8% 0.097 251.5)
-
Step 950
950
#0C2743
oklch(26.8% 0.062 251.9)
#0368BA 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) | #3C6FBD | 0.040 |
| Deuteranopia (no green cones) | #1560B8 | 0.021 |
| Tritanopia (no blue cones) | #007C88 | 0.110 |
| Achromatopsia (no color) | #676767 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0368BA
#0368BA
oklch(51.4% 0.151 251.8)
- #8E5B00
#8E5B00
oklch(51.5% 0.11 71.7)
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 #0368BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.020
- French Blue #436BAD ΔE 0.045
- Windows Blue #3778BF ΔE 0.056
- Flat Blue #3C73A8 ΔE 0.057
- Nice Blue #107AB0 ΔE 0.058
- Ocean Blue #03719C ΔE 0.059
- Peacock Blue #016795 ΔE 0.060
- Muted Blue #3B719F ΔE 0.062
Use #0368BA 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.