#328BC4
Closest named color: Water Blue (#0E87CC). oklch(61% 0.12 241.2), rgb(50, 139, 196).
Aa
Black text reads best on this color (5.62:1).
About this color
#328BC4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.120 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.024 away. Black text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #328BC4 |
| RGB | rgb(50, 139, 196) |
| HSL | hsl(203, 59%, 48%) |
| OKLCH | oklch(61% 0.12 241.2) |
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 #328BC4 | 3.73:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #328BC4 | 5.62:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #328BC4 text on white | 3.73:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #328BC4 text on black | 5.62:1 | AA | Lc -37.1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#9FC6E3
oklch(80.8% 0.058 240.6)
-
Step 400
400
#69A8D6
oklch(70.7% 0.094 241.5)
-
Step 500
500 (this color)
#328BC4
oklch(61% 0.12 241.2)
-
Step 600
600
#007BB8
oklch(55.7% 0.13 241.1)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#104667
oklch(37.7% 0.078 241)
-
Step 950
950
#0C293C
oklch(26.9% 0.049 240.9)
#328BC4 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) | #708CC7 | 0.059 |
| Deuteranopia (no green cones) | #5C7EC3 | 0.047 |
| Tritanopia (no blue cones) | #00999F | 0.081 |
| Achromatopsia (no color) | #848484 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #328BC4
#328BC4
oklch(61% 0.12 241.2)
- #B6702C
#B6702C
oklch(60.9% 0.12 60.9)
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 #328BC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.024
- Cool Blue #4984B8 ΔE 0.026
- Steel Blue #4682B4 ΔE 0.031
- Blue NCS #118AB2 ΔE 0.033
- Off Blue #5684AE ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.044
- Faded Blue #658CBB ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.052
Use #328BC4 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.