#516689
Closest named color: Denim (#3B638C). oklch(50.8% 0.062 260.4), rgb(81, 102, 137).
Aa
White text reads best on this color (5.81:1).
About this color
#516689 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.062 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.029 away. White text reads best on it, at 5.81:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #516689 |
| RGB | rgb(81, 102, 137) |
| HSL | hsl(218, 26%, 43%) |
| OKLCH | oklch(50.8% 0.062 260.4) |
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 #516689 | 5.81:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #516689 | 3.61:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #516689 text on white | 5.81:1 | AA | Lc 79.1 | Fine for body text |
| #516689 text on black | 3.61:1 | AA large text | Lc -22.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3DAE4
oklch(88.6% 0.016 257.2)
-
Step 300
300
#B6C1D4
oklch(80.8% 0.029 261.5)
-
Step 400
400
#90A2BF
oklch(70.8% 0.047 259.9)
-
Step 500
500
#748AAF
oklch(63% 0.062 260.7)
-
Step 600
600
#5D749A
oklch(55.6% 0.065 260.3)
-
Step 700
700 (this color)
#516689
oklch(50.8% 0.062 260.4)
-
Step 800
800
#3F4F6B
oklch(42.6% 0.051 261.4)
-
Step 900
900
#354257
oklch(37.7% 0.04 259.9)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#516689 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) | #5A688B | 0.014 |
| Deuteranopia (no green cones) | #536388 | 0.009 |
| Tritanopia (no blue cones) | #3E6D72 | 0.054 |
| Achromatopsia (no color) | #656565 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516689
#516689
oklch(50.8% 0.062 260.4)
- #78623B
#78623B
oklch(50.8% 0.062 80.9)
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 #516689, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.029
- Dusky Blue #475F94 ΔE 0.034
- Slate #516572 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.037
- Muted Blue #3B719F ΔE 0.044
- Dull Blue #49759C ΔE 0.046
- Dusty Grape #545775 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.049
Use #516689 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.