#565D9E
Closest named color: Dusky Blue (#475F94). oklch(50.3% 0.103 277.3), rgb(86, 93, 158).
Aa
White text reads best on this color (6.07:1).
About this color
#565D9E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.103 and its hue 277°. 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 6.07:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #565D9E |
| RGB | rgb(86, 93, 158) |
| HSL | hsl(234, 30%, 48%) |
| OKLCH | oklch(50.3% 0.103 277.3) |
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 #565D9E | 6.07:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #565D9E | 3.45:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #565D9E text on white | 6.07:1 | AA | Lc 80.3 | Fine for body text |
| #565D9E text on black | 3.45:1 | AA large text | Lc -21.6 | 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
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B8BEE1
oklch(80.8% 0.05 277.6)
-
Step 400
400
#949CD3
oklch(70.7% 0.081 277.7)
-
Step 500
500
#7A83C7
oklch(63.1% 0.103 277.3)
-
Step 600
600
#646CB3
oklch(55.6% 0.11 277.3)
-
Step 700
700 (this color)
#565D9E
oklch(50.3% 0.103 277.3)
-
Step 800
800
#44497D
oklch(42.6% 0.086 277.9)
-
Step 900
900
#393E65
oklch(37.8% 0.067 277.1)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#565D9E 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) | #4565A1 | 0.029 |
| Deuteranopia (no green cones) | #3F609D | 0.030 |
| Tritanopia (no blue cones) | #3D6A76 | 0.090 |
| Achromatopsia (no color) | #626262 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #565D9E
#565D9E
oklch(50.3% 0.103 277.3)
- #746301
#746301
oklch(50.1% 0.103 97.3)
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 #565D9E, closest first.
No curated palette has a color within ΔE 0.04 of #565D9E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.042
- French Blue #436BAD ΔE 0.044
- Twilight #4E518B ΔE 0.044
- Denim #3B638C ΔE 0.050
- Dusk #4E5481 ΔE 0.051
- Mid Blue #276AB3 ΔE 0.060
- Muted Blue #3B719F ΔE 0.061
Use #565D9E 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.