#3386BA
Closest named color: Cool Blue (#4984B8). oklch(59.3% 0.112 240.2), rgb(51, 134, 186).
Aa
Black text reads best on this color (5.25:1).
About this color
#3386BA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.112 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.017 away. Black text reads best on it, at 5.25:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #3386BA |
| RGB | rgb(51, 134, 186) |
| HSL | hsl(203, 57%, 46%) |
| OKLCH | oklch(59.3% 0.112 240.2) |
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 #3386BA | 3.99:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #3386BA | 5.25:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #3386BA text on white | 3.99:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #3386BA text on black | 5.25:1 | AA | Lc -34.7 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A4C6DE
oklch(81% 0.05 239)
-
Step 400
400
#71A8CE
oklch(70.8% 0.08 239.5)
-
Step 500
500
#4891C1
oklch(63% 0.103 240)
-
Step 600
600 (this color)
#3386BA
oklch(59.3% 0.112 240.2)
-
Step 700
700
#166795
oklch(49.1% 0.104 240)
-
Step 800
800
#165479
oklch(42.6% 0.086 240.2)
-
Step 900
900
#1B4662
oklch(37.8% 0.067 240.5)
-
Step 950
950
#112939
oklch(27% 0.042 240.1)
#3386BA 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) | #6E86BC | 0.058 |
| Deuteranopia (no green cones) | #5B79B9 | 0.047 |
| Tritanopia (no blue cones) | #009398 | 0.076 |
| Achromatopsia (no color) | #7F7F7F | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3386BA
#3386BA
oklch(59.3% 0.112 240.2)
- #AE6D31
#AE6D31
oklch(59.4% 0.111 60.4)
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 #3386BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.017
- Steel Blue #4682B4 ΔE 0.017
- Blue NCS #118AB2 ΔE 0.024
- Water Blue #0E87CC ΔE 0.030
- Off Blue #5684AE ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.038
- Windows Blue #3778BF ΔE 0.042
- Nice Blue #107AB0 ΔE 0.043
Use #3386BA 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.