#3281C2
Closest named color: Water Blue (#0E87CC). oklch(58.6% 0.126 247.1), rgb(50, 129, 194).
Aa
Black text reads best on this color (5.05:1).
About this color
#3281C2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.126 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.022 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #3281C2 |
| RGB | rgb(50, 129, 194) |
| HSL | hsl(207, 59%, 48%) |
| OKLCH | oklch(58.6% 0.126 247.1) |
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 #3281C2 | 4.15:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #3281C2 | 5.05:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #3281C2 text on white | 4.15:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #3281C2 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A4C5E4
oklch(81% 0.057 246.9)
-
Step 400
400
#71A6D6
oklch(70.7% 0.09 246.8)
-
Step 500
500
#498FCB
oklch(63.1% 0.115 246.8)
-
Step 600
600 (this color)
#3281C2
oklch(58.6% 0.126 247.1)
-
Step 700
700
#19659F
oklch(49.2% 0.117 247)
-
Step 800
800
#185281
oklch(42.6% 0.098 247.5)
-
Step 900
900
#1B4467
oklch(37.6% 0.076 247.3)
-
Step 950
950
#11283C
oklch(26.9% 0.047 246.9)
#3281C2 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) | #6384C5 | 0.049 |
| Deuteranopia (no green cones) | #4F76C1 | 0.036 |
| Tritanopia (no blue cones) | #009198 | 0.093 |
| Achromatopsia (no color) | #7C7C7C | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3281C2
#3281C2
oklch(58.6% 0.126 247.1)
- #AD6B0D
#AD6B0D
oklch(58.7% 0.126 67)
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 #3281C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.022
- Windows Blue #3778BF ΔE 0.025
- Steel Blue #4682B4 ΔE 0.027
- Cool Blue #4984B8 ΔE 0.027
- Nice Blue #107AB0 ΔE 0.038
- Blue NCS #118AB2 ΔE 0.042
- Off Blue #5684AE ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.050
Use #3281C2 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.