#516688
Closest named color: Denim (#3B638C). oklch(50.7% 0.06 259.9), rgb(81, 102, 136).
Aa
White text reads best on this color (5.82:1).
About this color
#516688 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.060 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.030 away. White text reads best on it, at 5.82:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.60:1 |
| White text | 5.82:1 |
Values
| HEX | #516688 |
| RGB | rgb(81, 102, 136) |
| HSL | hsl(217, 25%, 43%) |
| OKLCH | oklch(50.7% 0.06 259.9) |
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 #516688 | 5.82:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #516688 | 3.60:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #516688 text on white | 5.82:1 | AA | Lc 79.1 | Fine for body text |
| #516688 text on black | 3.60:1 | AA large text | Lc -22.7 | 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
#D3DAE4
oklch(88.6% 0.016 257.2)
-
Step 300
300
#B6C1D4
oklch(80.8% 0.029 261.5)
-
Step 400
400
#90A2BE
oklch(70.8% 0.046 259.2)
-
Step 500
500
#748AAE
oklch(63% 0.06 260.2)
-
Step 600
600
#5D749A
oklch(55.6% 0.065 260.3)
-
Step 700
700 (this color)
#516688
oklch(50.7% 0.06 259.9)
-
Step 800
800
#3F506A
oklch(42.8% 0.048 258.7)
-
Step 900
900
#354256
oklch(37.6% 0.038 258.9)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#516688 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) | #5A688A | 0.014 |
| Deuteranopia (no green cones) | #546387 | 0.009 |
| Tritanopia (no blue cones) | #3F6D72 | 0.052 |
| Achromatopsia (no color) | #656565 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516688
#516688
oklch(50.7% 0.06 259.9)
- #78623C
#78623C
oklch(50.9% 0.061 80.4)
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 #516688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.030
- Dusky Blue #475F94 ΔE 0.035
- Slate #516572 ΔE 0.035
- Metallic Blue #4F738E ΔE 0.037
- Muted Blue #3B719F ΔE 0.045
- Dusty Grape #545775 ΔE 0.047
- Dull Blue #49759C ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
Use #516688 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.