#548CD3
Closest named color: Dark Sky Blue (#448EE4). oklch(63.3% 0.123 255.1), rgb(84, 140, 211).
Aa
Black text reads best on this color (6.06:1).
About this color
#548CD3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.123 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.027 away. Black text reads best on it, at 6.06:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #548CD3 |
| RGB | rgb(84, 140, 211) |
| HSL | hsl(214, 59%, 58%) |
| OKLCH | oklch(63.3% 0.123 255.1) |
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 #548CD3 | 3.46:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #548CD3 | 6.06:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #548CD3 text on white | 3.46:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #548CD3 text on black | 6.06:1 | AA | Lc -39.7 | 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
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A7C3E8
oklch(80.9% 0.061 255.5)
-
Step 400
400
#77A3DC
oklch(70.6% 0.097 255.2)
-
Step 500
500 (this color)
#548CD3
oklch(63.3% 0.123 255.1)
-
Step 600
600
#3774BF
oklch(55.6% 0.133 255.1)
-
Step 700
700
#2961A5
oklch(49.1% 0.124 255.1)
-
Step 800
800
#234F86
oklch(42.6% 0.104 255.4)
-
Step 900
900
#22426B
oklch(37.6% 0.08 255.5)
-
Step 950
950
#14273F
oklch(27% 0.052 255)
#548CD3 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) | #6E90D6 | 0.032 |
| Deuteranopia (no green cones) | #5D84D2 | 0.022 |
| Tritanopia (no blue cones) | #009CA6 | 0.102 |
| Achromatopsia (no color) | #8A8A8A | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #548CD3
#548CD3
oklch(63.3% 0.123 255.1)
- #B57E20
#B57E20
oklch(63.4% 0.123 75.2)
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 #548CD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.027
- Faded Blue #658CBB ΔE 0.040
- Soft Blue #6488EA ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.044
- Cool Blue #4984B8 ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.048
- Water Blue #0E87CC ΔE 0.048
- Steel Blue #4682B4 ΔE 0.054
Use #548CD3 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.