#328DE9
Closest named color: Dark Sky Blue (#448EE4). oklch(63.6% 0.162 252.2), rgb(50, 141, 233).
Aa
Black text reads best on this color (6.12:1).
About this color
#328DE9 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.162 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.015 away. Black text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.12:1 |
| White text | 3.43:1 |
Values
| HEX | #328DE9 |
| RGB | rgb(50, 141, 233) |
| HSL | hsl(210, 81%, 55%) |
| OKLCH | oklch(63.6% 0.162 252.2) |
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 #328DE9 | 3.43:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #328DE9 | 6.12:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #328DE9 text on white | 3.43:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #328DE9 text on black | 6.12:1 | AA | Lc -40.3 | 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 500.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC4F3
oklch(80.8% 0.079 252.8)
-
Step 400
400
#63A4ED
oklch(70.6% 0.127 252.5)
-
Step 500
500 (this color)
#328DE9
oklch(63.6% 0.162 252.2)
-
Step 600
600
#0074D1
oklch(55.7% 0.167 252.1)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900
#0A4277
oklch(37.6% 0.105 252.3)
-
Step 950
950
#092746
oklch(26.9% 0.068 252.4)
#328DE9 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) | #6193ED | 0.045 |
| Deuteranopia (no green cones) | #4283E7 | 0.026 |
| Tritanopia (no blue cones) | #00A3B0 | 0.120 |
| Achromatopsia (no color) | #8A8A8A | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #328DE9
#328DE9
oklch(63.6% 0.162 252.2)
- #BC7B00
#BC7B00
oklch(63.5% 0.136 72.5)
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 #328DE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.015
- Chefchaouen Blue #4895EF ΔE 0.029
- Dodger Blue #1E90FF ΔE 0.033
- Soft Blue #6488EA ΔE 0.043
- Water Blue #0E87CC ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.050
- Clear Blue #247AFD ΔE 0.062
- Cornflower #6A79F7 ΔE 0.072
Use #328DE9 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.