#565B9C
Closest named color: Dusky Blue (#475F94). oklch(49.7% 0.103 278.6), rgb(86, 91, 156).
Aa
White text reads best on this color (6.22:1).
About this color
#565B9C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.103 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.027 away. White text reads best on it, at 6.22:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #565B9C |
| RGB | rgb(86, 91, 156) |
| HSL | hsl(236, 29%, 47%) |
| OKLCH | oklch(49.7% 0.103 278.6) |
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 #565B9C | 6.22:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #565B9C | 3.37:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #565B9C text on white | 6.22:1 | AA | Lc 80.9 | Fine for body text |
| #565B9C text on black | 3.37:1 | AA large text | Lc -20.9 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#B9BEE1
oklch(80.9% 0.05 278.8)
-
Step 400
400
#959CD2
oklch(70.7% 0.079 278.4)
-
Step 500
500
#7C83C6
oklch(63.2% 0.101 278.5)
-
Step 600
600
#656BB3
oklch(55.5% 0.111 278.5)
-
Step 700
700 (this color)
#565B9C
oklch(49.7% 0.103 278.6)
-
Step 800
800
#45497D
oklch(42.7% 0.086 278.8)
-
Step 900
900
#3A3D64
oklch(37.6% 0.067 279.3)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#565B9C 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) | #43639F | 0.030 |
| Deuteranopia (no green cones) | #3E5E9B | 0.031 |
| Tritanopia (no blue cones) | #3F6874 | 0.090 |
| Achromatopsia (no color) | #616161 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #565B9C
#565B9C
oklch(49.7% 0.103 278.6)
- #726200
#726200
oklch(49.7% 0.103 98)
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 #565B9C, closest first.
No curated palette has a color within ΔE 0.04 of #565B9C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.027
- Twilight #4E518B ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.040
- Dusk #4E5481 ΔE 0.047
- French Blue #436BAD ΔE 0.049
- Denim #3B638C ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.061
- Dusty Grape #545775 ΔE 0.063
Use #565B9C 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.