#516398
Closest named color: Dusky Blue (#475F94). oklch(50.9% 0.087 268.9), rgb(81, 99, 152).
Aa
White text reads best on this color (5.85:1).
About this color
#516398 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.087 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.019 away. White text reads best on it, at 5.85:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #516398 |
| RGB | rgb(81, 99, 152) |
| HSL | hsl(225, 30%, 46%) |
| OKLCH | oklch(50.9% 0.087 268.9) |
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 #516398 | 5.85:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #516398 | 3.58:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #516398 text on white | 5.85:1 | AA | Lc 79.2 | Fine for body text |
| #516398 text on black | 3.58:1 | AA large text | Lc -22.6 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B5C0DD
oklch(80.9% 0.043 269)
-
Step 400
400
#8F9FCC
oklch(70.6% 0.069 269.4)
-
Step 500
500
#7487BE
oklch(63% 0.086 269.2)
-
Step 600
600
#5D70AB
oklch(55.6% 0.095 269.6)
-
Step 700
700 (this color)
#516398
oklch(50.9% 0.087 268.9)
-
Step 800
800
#3F4D77
oklch(42.8% 0.072 269.2)
-
Step 900
900
#354060
oklch(37.7% 0.057 269.1)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#516398 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) | #50689A | 0.014 |
| Deuteranopia (no green cones) | #496297 | 0.011 |
| Tritanopia (no blue cones) | #376E76 | 0.079 |
| Achromatopsia (no color) | #656565 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516398
#516398
oklch(50.9% 0.087 268.9)
- #7A6322
#7A6322
oklch(51% 0.087 89.1)
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 #516398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.019
- Denim #3B638C ΔE 0.034
- French Blue #436BAD ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.039
- Muted Blue #3B719F ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.049
- Dull Blue #49759C ΔE 0.051
- Dusk #4E5481 ΔE 0.051
Use #516398 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.