#5671C2
Closest named color: Windows Blue (#3778BF). oklch(56.6% 0.129 268.2), rgb(86, 113, 194).
Aa
White text reads best on this color (4.62:1).
About this color
#5671C2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.129 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.035 away. White text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.53:1 |
| White text | 4.62:1 |
Values
| HEX | #5671C2 |
| RGB | rgb(86, 113, 194) |
| HSL | hsl(225, 47%, 55%) |
| OKLCH | oklch(56.6% 0.129 268.2) |
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 #5671C2 | 4.62:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #5671C2 | 4.53:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #5671C2 text on white | 4.62:1 | AA | Lc 72.0 | Content text, not long reading |
| #5671C2 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B1C0E7
oklch(80.9% 0.058 268.6)
-
Step 400
400
#889FDB
oklch(70.8% 0.092 267.9)
-
Step 500
500
#6B86D1
oklch(63.2% 0.118 267.9)
-
Step 600
600 (this color)
#5671C2
oklch(56.6% 0.129 268.2)
-
Step 700
700
#445BA4
oklch(49% 0.12 268.5)
-
Step 800
800
#384B85
oklch(42.7% 0.099 268.3)
-
Step 900
900
#303F6B
oklch(37.7% 0.078 268.3)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#5671C2 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) | #4F7AC5 | 0.024 |
| Deuteranopia (no green cones) | #4170C0 | 0.024 |
| Tritanopia (no blue cones) | #158390 | 0.116 |
| Achromatopsia (no color) | #757575 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5671C2
#5671C2
oklch(56.6% 0.129 268.2)
- #927100
#927100
oklch(56.5% 0.116 88.3)
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 #5671C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.035
- French Blue #436BAD ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.056
- Mid Blue #276AB3 ΔE 0.057
- Steel Blue #4682B4 ΔE 0.058
- Cool Blue #4984B8 ΔE 0.059
- Royal Blue #4169E1 ΔE 0.060
Use #5671C2 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.