#566985
Closest named color: Metallic Blue (#4F738E). oklch(51.6% 0.05 258), rgb(86, 105, 133).
Aa
White text reads best on this color (5.59:1).
About this color
#566985 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.050 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.029 away. White text reads best on it, at 5.59:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #566985 |
| RGB | rgb(86, 105, 133) |
| HSL | hsl(216, 21%, 43%) |
| OKLCH | oklch(51.6% 0.05 258) |
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 #566985 | 5.59:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #566985 | 3.75:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #566985 text on white | 5.59:1 | AA | Lc 77.9 | Fine for body text |
| #566985 text on black | 3.75:1 | AA large text | Lc -23.8 | 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
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4DAE2
oklch(88.6% 0.013 255.5)
-
Step 300
300
#B7C1D1
oklch(80.8% 0.025 259.8)
-
Step 400
400
#92A2B9
oklch(70.7% 0.038 257.4)
-
Step 500
500
#778BA8
oklch(63.1% 0.05 257.6)
-
Step 600
600
#607593
oklch(55.7% 0.053 257.3)
-
Step 700
700 (this color)
#566985
oklch(51.6% 0.05 258)
-
Step 800
800
#415066
oklch(42.8% 0.041 257.9)
-
Step 900
900
#374253
oklch(37.6% 0.033 259)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#566985 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) | #5F6A86 | 0.013 |
| Deuteranopia (no green cones) | #5A6684 | 0.010 |
| Tritanopia (no blue cones) | #486F72 | 0.045 |
| Achromatopsia (no color) | #686868 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566985
#566985
oklch(51.6% 0.05 258)
- #786547
#786547
oklch(51.7% 0.05 78.7)
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 #566985, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.029
- Slate #516572 ΔE 0.032
- Denim #3B638C ΔE 0.042
- Dull Blue #49759C ΔE 0.043
- Muted Blue #3B719F ΔE 0.047
- Dusky Blue #475F94 ΔE 0.048
- Dim Gray #696969 ΔE 0.050
- Dusty Grape #545775 ΔE 0.054
Use #566985 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.