#548EDD
Closest named color: Dark Sky Blue (#448EE4). oklch(64.3% 0.134 256.6), rgb(84, 142, 221).
Aa
Black text reads best on this color (6.29:1).
About this color
#548EDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.134 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.017 away. Black text reads best on it, at 6.29:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #548EDD |
| RGB | rgb(84, 142, 221) |
| HSL | hsl(215, 67%, 60%) |
| OKLCH | oklch(64.3% 0.134 256.6) |
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 #548EDD | 3.33:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #548EDD | 6.29:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #548EDD text on white | 3.33:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #548EDD text on black | 6.29:1 | AA | Lc -41.1 | 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
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADBF2
oklch(88.6% 0.037 256)
-
Step 300
300
#A6C3EB
oklch(80.9% 0.065 256.5)
-
Step 400
400
#75A3E1
oklch(70.7% 0.104 256.1)
-
Step 500
500 (this color)
#548EDD
oklch(64.3% 0.134 256.6)
-
Step 600
600
#3373C6
oklch(55.7% 0.145 256.2)
-
Step 700
700
#2660AC
oklch(49.2% 0.136 256.6)
-
Step 800
800
#214E8B
oklch(42.6% 0.113 256.9)
-
Step 900
900
#20426F
oklch(37.8% 0.087 256.2)
-
Step 950
950
#132741
oklch(27% 0.055 255.7)
#548EDD 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) | #6C94E0 | 0.032 |
| Deuteranopia (no green cones) | #5987DB | 0.018 |
| Tritanopia (no blue cones) | #00A0AB | 0.111 |
| Achromatopsia (no color) | #8D8D8D | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #548EDD
#548EDD
oklch(64.3% 0.134 256.6)
- #BA8004
#BA8004
oklch(64.2% 0.134 76.7)
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 #548EDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.017
- Chefchaouen Blue #4895EF ΔE 0.030
- Soft Blue #6488EA ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.034
- Faded Blue #658CBB ΔE 0.052
- Water Blue #0E87CC ΔE 0.056
- Dodger Blue #1E90FF ΔE 0.058
- Cool Blue #4984B8 ΔE 0.061
Use #548EDD 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.