#516099
Closest named color: Dusky Blue (#475F94). oklch(50.3% 0.093 271.5), rgb(81, 96, 153).
Aa
White text reads best on this color (6.02:1).
About this color
#516099 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.093 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.016 away. White text reads best on it, at 6.02:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #516099 |
| RGB | rgb(81, 96, 153) |
| HSL | hsl(228, 31%, 46%) |
| OKLCH | oklch(50.3% 0.093 271.5) |
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 #516099 | 6.02:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #516099 | 3.48:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #516099 text on white | 6.02:1 | AA | Lc 80.0 | Fine for body text |
| #516099 text on black | 3.48:1 | AA large text | Lc -21.8 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B6C0DE
oklch(81% 0.044 270.8)
-
Step 400
400
#909ECE
oklch(70.6% 0.072 271.8)
-
Step 500
500
#7586C1
oklch(63% 0.091 271.3)
-
Step 600
600
#5E6FAE
oklch(55.6% 0.1 271.4)
-
Step 700
700 (this color)
#516099
oklch(50.3% 0.093 271.5)
-
Step 800
800
#404C79
oklch(42.7% 0.076 271.5)
-
Step 900
900
#363F62
oklch(37.6% 0.061 272.2)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#516099 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) | #4B669B | 0.017 |
| Deuteranopia (no green cones) | #446098 | 0.017 |
| Tritanopia (no blue cones) | #366C75 | 0.084 |
| Achromatopsia (no color) | #636363 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516099
#516099
oklch(50.3% 0.093 271.5)
- #776218
#776218
oklch(50.3% 0.093 92.2)
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 #516099, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.016
- Denim Blue #3B5B92 ΔE 0.035
- Denim #3B638C ΔE 0.037
- French Blue #436BAD ΔE 0.040
- Twilight #4E518B ΔE 0.045
- Dusk #4E5481 ΔE 0.047
- Muted Blue #3B719F ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.055
Use #516099 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.