#547FA8
Closest named color: Off Blue (#5684AE). oklch(58.2% 0.079 248.2), rgb(84, 127, 168).
Aa
Black text reads best on this color (4.97:1).
About this color
#547FA8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.079 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.016 away. Black text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.97:1 |
| White text | 4.21:1 |
Values
| HEX | #547FA8 |
| RGB | rgb(84, 127, 168) |
| HSL | hsl(209, 33%, 49%) |
| OKLCH | oklch(58.2% 0.079 248.2) |
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 #547FA8 | 4.21:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #547FA8 | 4.97:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #547FA8 text on white | 4.21:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #547FA8 text on black | 4.97:1 | AA | Lc -32.6 | 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 600.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AFC3D7
oklch(80.8% 0.036 248.3)
-
Step 400
400
#85A4C3
oklch(70.6% 0.057 248.6)
-
Step 500
500
#668EB4
oklch(63.2% 0.073 247.8)
-
Step 600
600 (this color)
#547FA8
oklch(58.2% 0.079 248.2)
-
Step 700
700
#3D6489
oklch(49.1% 0.074 248.3)
-
Step 800
800
#33526F
oklch(42.8% 0.061 247.8)
-
Step 900
900
#2D445A
oklch(37.8% 0.048 248.1)
-
Step 950
950
#1B2835
oklch(27.1% 0.03 249)
#547FA8 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) | #6E80AA | 0.033 |
| Deuteranopia (no green cones) | #6377A7 | 0.027 |
| Tritanopia (no blue cones) | #2C898D | 0.068 |
| Achromatopsia (no color) | #7B7B7B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #547FA8
#547FA8
oklch(58.2% 0.079 248.2)
- #9A7245
#9A7245
oklch(58.2% 0.079 68.5)
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 #547FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.016
- Stormy Blue #507B9C ΔE 0.021
- Steel Blue #4682B4 ΔE 0.021
- Dusty Blue #5A86AD ΔE 0.022
- Cool Blue #4984B8 ΔE 0.026
- Cerulean #457B9D ΔE 0.026
- Dull Blue #49759C ΔE 0.035
- Grey Blue #647D8E ΔE 0.042
Use #547FA8 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.