#516598
Closest named color: Dusky Blue (#475F94). oklch(51.3% 0.085 267.1), rgb(81, 101, 152).
Aa
White text reads best on this color (5.73:1).
About this color
#516598 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.085 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.023 away. White text reads best on it, at 5.73:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.66:1 |
| White text | 5.73:1 |
Values
| HEX | #516598 |
| RGB | rgb(81, 101, 152) |
| HSL | hsl(223, 30%, 46%) |
| OKLCH | oklch(51.3% 0.085 267.1) |
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 #516598 | 5.73:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #516598 | 3.66:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #516598 text on white | 5.73:1 | AA | Lc 78.6 | Fine for body text |
| #516598 text on black | 3.66:1 | AA large text | Lc -23.2 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B5C0DC
oklch(80.8% 0.041 268.5)
-
Step 400
400
#8EA0CA
oklch(70.7% 0.065 266.7)
-
Step 500
500
#7388BD
oklch(63.1% 0.084 267.4)
-
Step 600
600
#5B71A9
oklch(55.5% 0.091 267.1)
-
Step 700
700 (this color)
#516598
oklch(51.3% 0.085 267.1)
-
Step 800
800
#3E4D76
oklch(42.6% 0.071 268)
-
Step 900
900
#34415F
oklch(37.8% 0.054 265.9)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#516598 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) | #526A9A | 0.014 |
| Deuteranopia (no green cones) | #4B6397 | 0.010 |
| Tritanopia (no blue cones) | #367077 | 0.077 |
| Achromatopsia (no color) | #666666 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516598
#516598
oklch(51.3% 0.085 267.1)
- #7C6326
#7C6326
oklch(51.2% 0.085 86.5)
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 #516598, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.023
- Denim #3B638C ΔE 0.035
- French Blue #436BAD ΔE 0.036
- Muted Blue #3B719F ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.044
- Dull Blue #49759C ΔE 0.045
- Metallic Blue #4F738E ΔE 0.048
Use #516598 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.