#565F89
Closest named color: Dusky Blue (#475F94). oklch(49.6% 0.068 274.4), rgb(86, 95, 137).
Aa
White text reads best on this color (6.18:1).
About this color
#565F89 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.068 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.026 away. White text reads best on it, at 6.18:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.39:1 |
| White text | 6.18:1 |
Values
| HEX | #565F89 |
| RGB | rgb(86, 95, 137) |
| HSL | hsl(229, 23%, 44%) |
| OKLCH | oklch(49.6% 0.068 274.4) |
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 #565F89 | 6.18:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #565F89 | 3.39:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #565F89 text on white | 6.18:1 | AA | Lc 80.8 | Fine for body text |
| #565F89 text on black | 3.39:1 | AA large text | Lc -21.0 | 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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300
#BAC0D7
oklch(81% 0.033 274)
-
Step 400
400
#969FC2
oklch(70.7% 0.052 273.7)
-
Step 500
500
#7D87B3
oklch(63.2% 0.067 274.4)
-
Step 600
600
#66709F
oklch(55.6% 0.074 274.5)
-
Step 700
700 (this color)
#565F89
oklch(49.6% 0.068 274.4)
-
Step 800
800
#454D6E
oklch(42.7% 0.056 273.4)
-
Step 900
900
#3A4059
oklch(37.7% 0.044 273.7)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#565F89 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) | #52638B | 0.012 |
| Deuteranopia (no green cones) | #4E5F88 | 0.011 |
| Tritanopia (no blue cones) | #47676E | 0.060 |
| Achromatopsia (no color) | #616161 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #565F89
#565F89
oklch(49.6% 0.068 274.4)
- #6E6132
#6E6132
oklch(49.4% 0.068 94.3)
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 #565F89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.026
- Denim #3B638C ΔE 0.034
- Dusk #4E5481 ΔE 0.036
- Dusty Grape #545775 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.044
- Twilight #4E518B ΔE 0.044
- Slate #516572 ΔE 0.047
Use #565F89 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.