#566980
Closest named color: Slate (#516572). oklch(51.4% 0.043 253.4), rgb(86, 105, 128).
Aa
White text reads best on this color (5.63:1).
About this color
#566980 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.043 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.025 away. White text reads best on it, at 5.63:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #566980 |
| RGB | rgb(86, 105, 128) |
| HSL | hsl(213, 20%, 42%) |
| OKLCH | oklch(51.4% 0.043 253.4) |
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 #566980 | 5.63:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #566980 | 3.72:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #566980 text on white | 5.63:1 | AA | Lc 78.2 | Fine for body text |
| #566980 text on black | 3.72:1 | AA large text | Lc -23.6 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B7C2CE
oklch(80.9% 0.021 250.4)
-
Step 400
400
#92A2B6
oklch(70.6% 0.034 254.1)
-
Step 500
500
#788BA3
oklch(63% 0.042 254.4)
-
Step 600
600
#60758E
oklch(55.5% 0.046 253)
-
Step 700
700 (this color)
#566980
oklch(51.4% 0.043 253.4)
-
Step 800
800
#415063
oklch(42.6% 0.037 254.5)
-
Step 900
900
#374350
oklch(37.8% 0.027 250.6)
-
Step 950
950
#20272F
oklch(26.9% 0.018 251.9)
#566980 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) | #616A81 | 0.016 |
| Deuteranopia (no green cones) | #5C6580 | 0.014 |
| Tritanopia (no blue cones) | #496E71 | 0.037 |
| Achromatopsia (no color) | #676767 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566980
#566980
oklch(51.4% 0.043 253.4)
- #77644C
#77644C
oklch(51.5% 0.043 73.1)
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 #566980, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.025
- Metallic Blue #4F738E ΔE 0.031
- Dim Gray #696969 ΔE 0.044
- Denim #3B638C ΔE 0.045
- Dull Blue #49759C ΔE 0.049
- Battleship Gray #6C757D ΔE 0.051
- Dusty Grape #545775 ΔE 0.053
- Muted Blue #3B719F ΔE 0.053
Use #566980 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.