#516187
Closest named color: Dusky Blue (#475F94). oklch(49.5% 0.064 266.5), rgb(81, 97, 135).
Aa
White text reads best on this color (6.15:1).
About this color
#516187 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.064 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.026 away. White text reads best on it, at 6.15:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.40:1 |
| White text | 6.15:1 |
Values
| HEX | #516187 |
| RGB | rgb(81, 97, 135) |
| HSL | hsl(222, 25%, 42%) |
| OKLCH | oklch(49.5% 0.064 266.5) |
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 #516187 | 6.15:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #516187 | 3.40:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #516187 text on white | 6.15:1 | AA | Lc 80.7 | Fine for body text |
| #516187 text on black | 3.40:1 | AA large text | Lc -21.2 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B7C1D5
oklch(80.9% 0.03 264.4)
-
Step 400
400
#92A0C1
oklch(70.6% 0.051 267)
-
Step 500
500
#7889B1
oklch(63.2% 0.064 266.7)
-
Step 600
600
#61729C
oklch(55.5% 0.069 267.2)
-
Step 700
700 (this color)
#516187
oklch(49.5% 0.064 266.5)
-
Step 800
800
#414E6D
oklch(42.6% 0.054 266.6)
-
Step 900
900
#374158
oklch(37.6% 0.042 266.2)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#516187 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) | #546489 | 0.010 |
| Deuteranopia (no green cones) | #4F5F86 | 0.007 |
| Tritanopia (no blue cones) | #40696E | 0.058 |
| Achromatopsia (no color) | #616161 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516187
#516187
oklch(49.5% 0.064 266.5)
- #725F35
#725F35
oklch(49.4% 0.064 85.7)
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 #516187, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.026
- Denim #3B638C ΔE 0.027
- Dusty Grape #545775 ΔE 0.035
- Dusk #4E5481 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.039
- Slate #516572 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.049
Use #516187 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.