#558EC0
Closest named color: Faded Blue (#658CBB). oklch(62.8% 0.097 246.5), rgb(85, 142, 192).
Aa
Black text reads best on this color (6.01:1).
About this color
#558EC0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.097 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.017 away. Black text reads best on it, at 6.01:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.01:1 |
| White text | 3.49:1 |
Values
| HEX | #558EC0 |
| RGB | rgb(85, 142, 192) |
| HSL | hsl(208, 46%, 54%) |
| OKLCH | oklch(62.8% 0.097 246.5) |
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 #558EC0 | 3.49:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #558EC0 | 6.01:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #558EC0 text on white | 3.49:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #558EC0 text on black | 6.01:1 | AA | Lc -39.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DE
oklch(80.9% 0.047 247.4)
-
Step 400
400
#7AA6CE
oklch(70.8% 0.076 246.5)
-
Step 500
500 (this color)
#558EC0
oklch(62.8% 0.097 246.5)
-
Step 600
600
#3978AD
oklch(55.6% 0.105 246.6)
-
Step 700
700
#2B6595
oklch(49.1% 0.098 246.6)
-
Step 800
800
#255279
oklch(42.6% 0.082 247.3)
-
Step 900
900
#234461
oklch(37.6% 0.063 246.9)
-
Step 950
950
#152839
oklch(26.9% 0.04 246.9)
#558EC0 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) | #798FC2 | 0.042 |
| Deuteranopia (no green cones) | #6B84BF | 0.034 |
| Tritanopia (no blue cones) | #009A9F | 0.083 |
| Achromatopsia (no color) | #898989 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558EC0
#558EC0
oklch(62.8% 0.097 246.5)
- #B07D45
#B07D45
oklch(62.9% 0.097 67)
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 #558EC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.017
- Dusty Blue #5A86AD ΔE 0.032
- Cool Blue #4984B8 ΔE 0.033
- Off Blue #5684AE ΔE 0.034
- Steel Blue #4682B4 ΔE 0.041
- Silver Lake Blue #778DA9 ΔE 0.049
- Blue NCS #118AB2 ΔE 0.052
- Water Blue #0E87CC ΔE 0.054
Use #558EC0 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.