#496FC3
Closest named color: Windows Blue (#3778BF). oklch(55.5% 0.138 264.1), rgb(73, 111, 195).
Aa
White text reads best on this color (4.83:1).
About this color
#496FC3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.138 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.029 away. White text reads best on it, at 4.83:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.34:1 |
| White text | 4.83:1 |
Values
| HEX | #496FC3 |
| RGB | rgb(73, 111, 195) |
| HSL | hsl(221, 50%, 53%) |
| OKLCH | oklch(55.5% 0.138 264.1) |
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 #496FC3 | 4.83:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #496FC3 | 4.34:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #496FC3 text on white | 4.83:1 | AA | Lc 73.3 | Content text, not long reading |
| #496FC3 text on black | 4.34:1 | AA large text | Lc -28.4 | Dividers and decoration only |
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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CED9F1
oklch(88.4% 0.035 266)
-
Step 300
300
#ADC1EA
oklch(81% 0.062 264.6)
-
Step 400
400
#81A0DF
oklch(70.7% 0.099 263.9)
-
Step 500
500
#6287D6
oklch(63.1% 0.127 264.1)
-
Step 600
600 (this color)
#496FC3
oklch(55.5% 0.138 264.1)
-
Step 700
700
#3B5DA9
oklch(49.2% 0.128 264.1)
-
Step 800
800
#314C89
oklch(42.8% 0.106 264.4)
-
Step 900
900
#2B406D
oklch(37.7% 0.082 264)
-
Step 950
950
#192640
oklch(27.1% 0.052 263.2)
#496FC3 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) | #4878C6 | 0.024 |
| Deuteranopia (no green cones) | #366CC1 | 0.022 |
| Tritanopia (no blue cones) | #00828F | 0.117 |
| Achromatopsia (no color) | #727272 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #496FC3
#496FC3
oklch(55.5% 0.138 264.1)
- #926C00
#926C00
oklch(55.5% 0.114 84.1)
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 #496FC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.029
- French Blue #436BAD ΔE 0.036
- Mid Blue #276AB3 ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.049
- Royal Blue #4169E1 ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.058
- Nice Blue #107AB0 ΔE 0.059
- Muted Blue #3B719F ΔE 0.061
Use #496FC3 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.