#558DF6
Closest named color: Soft Blue (#6488EA). oklch(65.6% 0.168 261.8), rgb(85, 141, 246).
Aa
Black text reads best on this color (6.52:1).
About this color
#558DF6 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.168 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.023 away. Black text reads best on it, at 6.52:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.52:1 |
| White text | 3.21:1 |
Values
| HEX | #558DF6 |
| RGB | rgb(85, 141, 246) |
| HSL | hsl(219, 90%, 65%) |
| OKLCH | oklch(65.6% 0.168 261.8) |
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 #558DF6 | 3.21:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #558DF6 | 6.52:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #558DF6 text on white | 3.21:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #558DF6 text on black | 6.52:1 | AA | Lc -42.6 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A4C1F6
oklch(80.8% 0.082 262.3)
-
Step 400
400
#72A0F2
oklch(70.8% 0.131 261.3)
-
Step 500
500 (this color)
#558DF6
oklch(65.6% 0.168 261.8)
-
Step 600
600
#326CDC
oklch(55.6% 0.182 261.8)
-
Step 700
700
#2559BF
oklch(49.1% 0.17 262)
-
Step 800
800
#204A9A
oklch(42.8% 0.139 261.7)
-
Step 900
900
#1F3E7B
oklch(37.6% 0.11 262.2)
-
Step 950
950
#132548
oklch(27% 0.069 262.3)
#558DF6 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) | #5B97FA | 0.028 |
| Deuteranopia (no green cones) | #4189F4 | 0.022 |
| Tritanopia (no blue cones) | #00A5B5 | 0.138 |
| Achromatopsia (no color) | #8F8F8F | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558DF6
#558DF6
oklch(65.6% 0.168 261.8)
- #BA8700
#BA8700
oklch(65.6% 0.135 81.8)
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 #558DF6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.023
- Chefchaouen Blue #4895EF ΔE 0.026
- Cornflower Blue #6495ED ΔE 0.032
- Dark Sky Blue #448EE4 ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.035
- Cornflower #6A79F7 ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.064
- Clear Blue #247AFD ΔE 0.067
Use #558DF6 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.