#546EC6
Closest named color: Windows Blue (#3778BF). oklch(56.1% 0.139 269.2), rgb(84, 110, 198).
Aa
White text reads best on this color (4.74:1).
About this color
#546EC6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.139 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.040 away. White text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #546EC6 |
| RGB | rgb(84, 110, 198) |
| HSL | hsl(226, 50%, 55%) |
| OKLCH | oklch(56.1% 0.139 269.2) |
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 #546EC6 | 4.74:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #546EC6 | 4.42:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #546EC6 text on white | 4.74:1 | AA | Lc 72.8 | Content text, not long reading |
| #546EC6 text on black | 4.42:1 | AA large text | Lc -28.9 | 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0C0EA
oklch(81% 0.062 268.6)
-
Step 400
400
#879EE0
oklch(70.7% 0.101 269)
-
Step 500
500
#6A84D7
oklch(63% 0.129 269.3)
-
Step 600
600 (this color)
#546EC6
oklch(56.1% 0.139 269.2)
-
Step 700
700
#435AAA
oklch(49.1% 0.13 269.1)
-
Step 800
800
#374A89
oklch(42.7% 0.107 268.9)
-
Step 900
900
#303E6E
oklch(37.7% 0.084 269.8)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#546EC6 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) | #4678C9 | 0.028 |
| Deuteranopia (no green cones) | #376EC4 | 0.030 |
| Tritanopia (no blue cones) | #008290 | 0.125 |
| Achromatopsia (no color) | #737373 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #546EC6
#546EC6
oklch(56.1% 0.139 269.2)
- #907000
#907000
oklch(56.1% 0.115 88.7)
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 #546EC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.040
- French Blue #436BAD ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.047
- Royal Blue #4169E1 ΔE 0.050
- Iris #6258C4 ΔE 0.056
- Mid Blue #276AB3 ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.059
Use #546EC6 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.