#547FAA
Closest named color: Off Blue (#5684AE). oklch(58.3% 0.082 249.4), rgb(84, 127, 170).
Aa
Black text reads best on this color (4.99:1).
About this color
#547FAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.082 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.015 away. Black text reads best on it, at 4.99:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #547FAA |
| RGB | rgb(84, 127, 170) |
| HSL | hsl(210, 34%, 50%) |
| OKLCH | oklch(58.3% 0.082 249.4) |
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 #547FAA | 4.20:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #547FAA | 4.99:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #547FAA text on white | 4.20:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #547FAA text on black | 4.99:1 | AA | Lc -32.8 | 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 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
#AFC3D8
oklch(80.9% 0.037 249.6)
-
Step 400
400
#85A4C4
oklch(70.7% 0.058 249.5)
-
Step 500
500
#668DB6
oklch(63.1% 0.076 250.3)
-
Step 600
600 (this color)
#547FAA
oklch(58.3% 0.082 249.4)
-
Step 700
700
#3D648A
oklch(49.1% 0.076 249)
-
Step 800
800
#335270
oklch(42.8% 0.062 248.7)
-
Step 900
900
#2D445B
oklch(37.8% 0.049 249.2)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#547FAA 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) | #6E80AC | 0.033 |
| Deuteranopia (no green cones) | #6378A9 | 0.025 |
| Tritanopia (no blue cones) | #2A898E | 0.070 |
| Achromatopsia (no color) | #7B7B7B | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #547FAA
#547FAA
oklch(58.3% 0.082 249.4)
- #9B7243
#9B7243
oklch(58.3% 0.082 68.8)
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 #547FAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.015
- Steel Blue #4682B4 ΔE 0.019
- Dusty Blue #5A86AD ΔE 0.022
- Stormy Blue #507B9C ΔE 0.023
- Cool Blue #4984B8 ΔE 0.023
- Cerulean #457B9D ΔE 0.028
- Dull Blue #49759C ΔE 0.036
- Grey Blue #647D8E ΔE 0.045
Use #547FAA 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.