#558FC2
Closest named color: Faded Blue (#658CBB). oklch(63.2% 0.098 246.6), rgb(85, 143, 194).
Aa
Black text reads best on this color (6.09:1).
About this color
#558FC2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.098 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.019 away. Black text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #558FC2 |
| RGB | rgb(85, 143, 194) |
| HSL | hsl(208, 47%, 55%) |
| OKLCH | oklch(63.2% 0.098 246.6) |
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 #558FC2 | 3.44:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #558FC2 | 6.09:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #558FC2 text on white | 3.44:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #558FC2 text on black | 6.09:1 | AA | Lc -39.9 | 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
#CBDBEA
oklch(88.4% 0.027 246.4)
-
Step 300
300
#A8C4DF
oklch(80.8% 0.049 247.5)
-
Step 400
400
#79A6CE
oklch(70.8% 0.076 246)
-
Step 500
500 (this color)
#558FC2
oklch(63.2% 0.098 246.6)
-
Step 600
600
#3878AE
oklch(55.6% 0.107 246.7)
-
Step 700
700
#2A6596
oklch(49.2% 0.1 246.8)
-
Step 800
800
#245279
oklch(42.6% 0.082 246.9)
-
Step 900
900
#234462
oklch(37.6% 0.065 247.8)
-
Step 950
950
#152839
oklch(26.9% 0.04 246.9)
#558FC2 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) | #7990C4 | 0.042 |
| Deuteranopia (no green cones) | #6B85C1 | 0.034 |
| Tritanopia (no blue cones) | #009BA1 | 0.082 |
| Achromatopsia (no color) | #8A8A8A | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558FC2
#558FC2
oklch(63.2% 0.098 246.6)
- #B27D44
#B27D44
oklch(63.2% 0.099 66.3)
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 #558FC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.019
- Dusty Blue #5A86AD ΔE 0.035
- Cool Blue #4984B8 ΔE 0.036
- Off Blue #5684AE ΔE 0.038
- Steel Blue #4682B4 ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.054
- Blue NCS #118AB2 ΔE 0.054
Use #558FC2 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.