#3280C8
Closest named color: Water Blue (#0E87CC). oklch(58.7% 0.134 249.8), rgb(50, 128, 200).
Aa
Black text reads best on this color (5.05:1).
About this color
#3280C8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.134 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.021 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #3280C8 |
| RGB | rgb(50, 128, 200) |
| HSL | hsl(209, 60%, 49%) |
| OKLCH | oklch(58.7% 0.134 249.8) |
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 #3280C8 | 4.15:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #3280C8 | 5.05:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #3280C8 text on white | 4.15:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #3280C8 text on black | 5.05:1 | AA | Lc -33.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A4C4E7
oklch(80.9% 0.061 250.9)
-
Step 400
400
#71A5DB
oklch(70.7% 0.097 250.2)
-
Step 500
500
#498ED1
oklch(63.2% 0.123 249.8)
-
Step 600
600 (this color)
#3280C8
oklch(58.7% 0.134 249.8)
-
Step 700
700
#1963A4
oklch(49% 0.125 250.1)
-
Step 800
800
#185185
oklch(42.6% 0.104 250.2)
-
Step 900
900
#1B446A
oklch(37.7% 0.08 249.3)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#3280C8 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) | #5F84CB | 0.045 |
| Deuteranopia (no green cones) | #4976C7 | 0.030 |
| Tritanopia (no blue cones) | #00919A | 0.100 |
| Achromatopsia (no color) | #7C7C7C | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3280C8
#3280C8
oklch(58.7% 0.134 249.8)
- #AC6C00
#AC6C00
oklch(58.7% 0.128 69.4)
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 #3280C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.021
- Windows Blue #3778BF ΔE 0.024
- Cool Blue #4984B8 ΔE 0.035
- Steel Blue #4682B4 ΔE 0.036
- Nice Blue #107AB0 ΔE 0.045
- Blue NCS #118AB2 ΔE 0.052
- Off Blue #5684AE ΔE 0.053
- Flat Blue #3C73A8 ΔE 0.055
Use #3280C8 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.