#3286B5
Closest named color: Steel Blue (#4682B4). oklch(59.1% 0.107 237.3), rgb(50, 134, 181).
Aa
Black text reads best on this color (5.21:1).
About this color
#3286B5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.107 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.017 away. Black text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #3286B5 |
| RGB | rgb(50, 134, 181) |
| HSL | hsl(202, 57%, 45%) |
| OKLCH | oklch(59.1% 0.107 237.3) |
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 #3286B5 | 4.02:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #3286B5 | 5.21:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #3286B5 text on white | 4.02:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #3286B5 text on black | 5.21:1 | AA | Lc -34.4 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#C9DCE9
oklch(88.4% 0.027 237.6)
-
Step 300
300
#A4C6DC
oklch(80.9% 0.048 236.6)
-
Step 400
400
#71A8CB
oklch(70.7% 0.077 237.3)
-
Step 500
500
#4992BE
oklch(63.1% 0.099 237.6)
-
Step 600
600 (this color)
#3286B5
oklch(59.1% 0.107 237.3)
-
Step 700
700
#166892
oklch(49.1% 0.1 237.3)
-
Step 800
800
#165576
oklch(42.7% 0.082 236.8)
-
Step 900
900
#1B465F
oklch(37.6% 0.064 237.4)
-
Step 950
950
#112938
oklch(26.9% 0.041 238.3)
#3286B5 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) | #7086B7 | 0.062 |
| Deuteranopia (no green cones) | #5E79B4 | 0.051 |
| Tritanopia (no blue cones) | #009296 | 0.071 |
| Achromatopsia (no color) | #7F7F7F | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3286B5
#3286B5
oklch(59.1% 0.107 237.3)
- #AD6C37
#AD6C37
oklch(59.1% 0.107 57.7)
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 #3286B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.017
- Blue NCS #118AB2 ΔE 0.019
- Cool Blue #4984B8 ΔE 0.019
- Off Blue #5684AE ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.036
- Water Blue #0E87CC ΔE 0.036
- Nice Blue #107AB0 ΔE 0.041
- Cerulean #457B9D ΔE 0.042
Use #3286B5 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.