#516188
Closest named color: Dusky Blue (#475F94). oklch(49.6% 0.066 266.9), rgb(81, 97, 136).
Aa
White text reads best on this color (6.14:1).
About this color
#516188 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.066 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.025 away. White text reads best on it, at 6.14:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #516188 |
| RGB | rgb(81, 97, 136) |
| HSL | hsl(223, 25%, 43%) |
| OKLCH | oklch(49.6% 0.066 266.9) |
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 #516188 | 6.14:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #516188 | 3.41:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #516188 text on white | 6.14:1 | AA | Lc 80.6 | Fine for body text |
| #516188 text on black | 3.41:1 | AA large text | Lc -21.2 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#92A0C1
oklch(70.6% 0.051 267)
-
Step 500
500
#7889B2
oklch(63.2% 0.065 267.1)
-
Step 600
600
#60729D
oklch(55.5% 0.071 266.6)
-
Step 700
700 (this color)
#516188
oklch(49.6% 0.066 266.9)
-
Step 800
800
#414E6D
oklch(42.6% 0.054 266.6)
-
Step 900
900
#374159
oklch(37.7% 0.043 266.8)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#516188 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) | #54648A | 0.010 |
| Deuteranopia (no green cones) | #4E5F87 | 0.008 |
| Tritanopia (no blue cones) | #3F696F | 0.059 |
| Achromatopsia (no color) | #616161 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516188
#516188
oklch(49.6% 0.066 266.9)
- #726034
#726034
oklch(49.6% 0.066 87.7)
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 #516188, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.025
- Denim #3B638C ΔE 0.026
- Dusty Grape #545775 ΔE 0.036
- Dusk #4E5481 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.040
- Slate #516572 ΔE 0.041
- Twilight #4E518B ΔE 0.049
Use #516188 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.