#516C96
Closest named color: Dull Blue (#49759C). oklch(52.8% 0.074 259), rgb(81, 108, 150).
Aa
White text reads best on this color (5.33:1).
About this color
#516C96 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.074 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.026 away. White text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #516C96 |
| RGB | rgb(81, 108, 150) |
| HSL | hsl(217, 30%, 45%) |
| OKLCH | oklch(52.8% 0.074 259) |
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 #516C96 | 5.33:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #516C96 | 3.93:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #516C96 text on white | 5.33:1 | AA | Lc 76.5 | Fine for body text |
| #516C96 text on black | 3.93:1 | AA large text | Lc -25.2 | 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 600.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C2D7
oklch(81% 0.033 258.4)
-
Step 400
400
#8DA2C2
oklch(70.7% 0.053 258.7)
-
Step 500
500
#718BB3
oklch(63.2% 0.068 258.9)
-
Step 600
600 (this color)
#516C96
oklch(52.8% 0.074 259)
-
Step 700
700
#496188
oklch(49% 0.069 259.9)
-
Step 800
800
#3C506E
oklch(42.8% 0.056 258.3)
-
Step 900
900
#334259
oklch(37.6% 0.044 258.8)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#516C96 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) | #5C6F98 | 0.018 |
| Deuteranopia (no green cones) | #556895 | 0.012 |
| Tritanopia (no blue cones) | #36757B | 0.065 |
| Achromatopsia (no color) | #6B6B6B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516C96
#516C96
oklch(52.8% 0.074 259)
- #826637
#826637
oklch(52.8% 0.074 79)
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 #516C96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.026
- Muted Blue #3B719F ΔE 0.027
- Metallic Blue #4F738E ΔE 0.027
- Flat Blue #3C73A8 ΔE 0.035
- French Blue #436BAD ΔE 0.040
- Denim #3B638C ΔE 0.041
- Dusky Blue #475F94 ΔE 0.041
- Cerulean #457B9D ΔE 0.043
Use #516C96 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.