#548BAF
Closest named color: Dusty Blue (#5A86AD). oklch(61.3% 0.08 238.6), rgb(84, 139, 175).
Aa
Black text reads best on this color (5.68:1).
About this color
#548BAF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.080 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.014 away. Black text reads best on it, at 5.68:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #548BAF |
| RGB | rgb(84, 139, 175) |
| HSL | hsl(204, 36%, 51%) |
| OKLCH | oklch(61.3% 0.08 238.6) |
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 #548BAF | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #548BAF | 5.68:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #548BAF text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #548BAF text on black | 5.68:1 | AA | Lc -37.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDCE6
oklch(88.6% 0.021 236.8)
-
Step 300
300
#AAC5D7
oklch(80.9% 0.039 237.2)
-
Step 400
400
#7CA7C4
oklch(70.8% 0.063 238.3)
-
Step 500
500 (this color)
#548BAF
oklch(61.3% 0.08 238.6)
-
Step 600
600
#3D7AA1
oklch(55.6% 0.088 239.1)
-
Step 700
700
#2F6789
oklch(49.1% 0.08 238.1)
-
Step 800
800
#285470
oklch(42.8% 0.067 239)
-
Step 900
900
#25455A
oklch(37.6% 0.052 239)
-
Step 950
950
#162935
oklch(27.1% 0.033 237.5)
#548BAF 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) | #7B8AB1 | 0.046 |
| Deuteranopia (no green cones) | #6E81AE | 0.038 |
| Tritanopia (no blue cones) | #219497 | 0.064 |
| Achromatopsia (no color) | #858585 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #548BAF
#548BAF
oklch(61.3% 0.08 238.6)
- #A87852
#A87852
oklch(61.2% 0.08 58.9)
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 #548BAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.014
- Off Blue #5684AE ΔE 0.020
- Faded Blue #658CBB ΔE 0.027
- Cool Blue #4984B8 ΔE 0.030
- Steel Blue #4682B4 ΔE 0.034
- Blue NCS #118AB2 ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.042
- Blue Grey #758DA3 ΔE 0.042
Use #548BAF 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.