#3486B2
Closest named color: Blue NCS (#118AB2). oklch(59% 0.103 235.9), rgb(52, 134, 178).
Aa
Black text reads best on this color (5.19:1).
About this color
#3486B2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.103 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.018 away. Black text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.19:1 |
| White text | 4.03:1 |
Values
| HEX | #3486B2 |
| RGB | rgb(52, 134, 178) |
| HSL | hsl(201, 55%, 45%) |
| OKLCH | oklch(59% 0.103 235.9) |
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 #3486B2 | 4.03:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #3486B2 | 5.19:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #3486B2 text on white | 4.03:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #3486B2 text on black | 5.19:1 | AA | Lc -34.3 | 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
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A5C6DB
oklch(80.9% 0.046 236.1)
-
Step 400
400
#72A8C9
oklch(70.6% 0.075 236.1)
-
Step 500
500
#4A92BB
oklch(63.1% 0.095 236)
-
Step 600
600 (this color)
#3486B2
oklch(59% 0.103 235.9)
-
Step 700
700
#19688F
oklch(49% 0.095 235.8)
-
Step 800
800
#185574
oklch(42.6% 0.079 235.6)
-
Step 900
900
#1C465E
oklch(37.6% 0.062 236.8)
-
Step 950
950
#122937
oklch(26.9% 0.039 237.4)
#3486B2 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) | #7185B4 | 0.062 |
| Deuteranopia (no green cones) | #6079B1 | 0.051 |
| Tritanopia (no blue cones) | #009195 | 0.066 |
| Achromatopsia (no color) | #7E7E7E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3486B2
#3486B2
oklch(59% 0.103 235.9)
- #AB6C3C
#AB6C3C
oklch(59% 0.103 56.4)
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 #3486B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.018
- Steel Blue #4682B4 ΔE 0.018
- Cool Blue #4984B8 ΔE 0.021
- Off Blue #5684AE ΔE 0.029
- Dusty Blue #5A86AD ΔE 0.034
- Teal Blue #01889F ΔE 0.039
- Cerulean #457B9D ΔE 0.039
- Water Blue #0E87CC ΔE 0.041
Use #3486B2 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.