#5677C8
Closest named color: Windows Blue (#3778BF). oklch(58.3% 0.13 265.8), rgb(86, 119, 200).
Aa
Black text reads best on this color (4.86:1).
About this color
#5677C8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.130 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.034 away. Black text reads best on it, at 4.86:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #5677C8 |
| RGB | rgb(86, 119, 200) |
| HSL | hsl(223, 51%, 56%) |
| OKLCH | oklch(58.3% 0.13 265.8) |
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 #5677C8 | 4.31:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #5677C8 | 4.86:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #5677C8 text on white | 4.31:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #5677C8 text on black | 4.86:1 | AA | Lc -32.0 | 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 600.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AFC1E7
oklch(81% 0.057 265.2)
-
Step 400
400
#859FDC
oklch(70.6% 0.095 266.3)
-
Step 500
500
#6787D2
oklch(63.2% 0.119 265.6)
-
Step 600
600 (this color)
#5677C8
oklch(58.3% 0.13 265.8)
-
Step 700
700
#405CA5
oklch(49% 0.122 266.2)
-
Step 800
800
#354C86
oklch(42.8% 0.1 266)
-
Step 900
900
#2E406B
oklch(37.8% 0.077 265.7)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#5677C8 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) | #557FCB | 0.021 |
| Deuteranopia (no green cones) | #4675C6 | 0.019 |
| Tritanopia (no blue cones) | #008996 | 0.117 |
| Achromatopsia (no color) | #7A7A7A | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5677C8
#5677C8
oklch(58.3% 0.13 265.8)
- #9B7500
#9B7500
oklch(58.4% 0.12 85.8)
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 #5677C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.034
- Cool Blue #4984B8 ΔE 0.049
- Steel Blue #4682B4 ΔE 0.051
- French Blue #436BAD ΔE 0.056
- Water Blue #0E87CC ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.059
- Off Blue #5684AE ΔE 0.061
- Royal Blue #4169E1 ΔE 0.062
Use #5677C8 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.