#547DC7
Closest named color: Windows Blue (#3778BF). oklch(59.4% 0.123 261.4), rgb(84, 125, 199).
Aa
Black text reads best on this color (5.13:1).
About this color
#547DC7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.123 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.035 away. Black text reads best on it, at 5.13:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.13:1 |
| White text | 4.08:1 |
Values
| HEX | #547DC7 |
| RGB | rgb(84, 125, 199) |
| HSL | hsl(219, 51%, 55%) |
| OKLCH | oklch(59.4% 0.123 261.4) |
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 #547DC7 | 4.08:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #547DC7 | 5.13:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #547DC7 text on white | 4.08:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #547DC7 text on black | 5.13:1 | AA | Lc -33.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CDDAF0
oklch(88.5% 0.033 261)
-
Step 300
300
#ABC2E8
oklch(81% 0.06 260.4)
-
Step 400
400
#7FA1DD
oklch(70.7% 0.096 261.4)
-
Step 500
500 (this color)
#547DC7
oklch(59.4% 0.123 261.4)
-
Step 600
600
#4571C1
oklch(55.6% 0.134 261.4)
-
Step 700
700
#375EA6
oklch(49.1% 0.124 261.5)
-
Step 800
800
#2E4D87
oklch(42.7% 0.103 261.8)
-
Step 900
900
#29416C
oklch(37.8% 0.08 261.3)
-
Step 950
950
#18263F
oklch(27% 0.051 261.4)
#547DC7 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) | #5E83CA | 0.021 |
| Deuteranopia (no green cones) | #4F79C5 | 0.013 |
| Tritanopia (no blue cones) | #008D98 | 0.108 |
| Achromatopsia (no color) | #7D7D7D | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #547DC7
#547DC7
oklch(59.4% 0.123 261.4)
- #A37500
#A37500
oklch(59.3% 0.123 81.1)
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 #547DC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.035
- Cool Blue #4984B8 ΔE 0.035
- Steel Blue #4682B4 ΔE 0.039
- Water Blue #0E87CC ΔE 0.046
- Off Blue #5684AE ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.053
- Faded Blue #658CBB ΔE 0.055
- Dark Sky Blue #448EE4 ΔE 0.056
Use #547DC7 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.