#5572BE
Closest named color: Windows Blue (#3778BF). oklch(56.5% 0.123 266.7), rgb(85, 114, 190).
Aa
White text reads best on this color (4.62:1).
About this color
#5572BE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.123 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.031 away. White text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.53:1 |
| White text | 4.62:1 |
Values
| HEX | #5572BE |
| RGB | rgb(85, 114, 190) |
| HSL | hsl(223, 45%, 54%) |
| OKLCH | oklch(56.5% 0.123 266.7) |
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 #5572BE | 4.62:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #5572BE | 4.53:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #5572BE text on white | 4.62:1 | AA | Lc 72.0 | Content text, not long reading |
| #5572BE text on black | 4.53:1 | AA | Lc -29.7 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B0C0E5
oklch(80.8% 0.055 266.7)
-
Step 400
400
#879FD8
oklch(70.6% 0.088 266.6)
-
Step 500
500
#6A87CE
oklch(63.2% 0.113 266.4)
-
Step 600
600 (this color)
#5572BE
oklch(56.5% 0.123 266.7)
-
Step 700
700
#435DA1
oklch(49.2% 0.113 266.5)
-
Step 800
800
#374C83
oklch(42.7% 0.095 266.7)
-
Step 900
900
#304069
oklch(37.8% 0.073 266.8)
-
Step 950
950
#1C253D
oklch(26.9% 0.047 267.6)
#5572BE 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) | #537AC1 | 0.021 |
| Deuteranopia (no green cones) | #4670BC | 0.019 |
| Tritanopia (no blue cones) | #18838F | 0.110 |
| Achromatopsia (no color) | #757575 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5572BE
#5572BE
oklch(56.5% 0.123 266.7)
- #937000
#937000
oklch(56.4% 0.115 86.8)
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 #5572BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.031
- French Blue #436BAD ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.046
- Steel Blue #4682B4 ΔE 0.052
- Cool Blue #4984B8 ΔE 0.053
- Mid Blue #276AB3 ΔE 0.055
- Muted Blue #3B719F ΔE 0.058
- Dull Blue #49759C ΔE 0.059
Use #5572BE 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.