#516883
Closest named color: Slate (#516572). oklch(51% 0.051 252.8), rgb(81, 104, 131).
Aa
White text reads best on this color (5.74:1).
About this color
#516883 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.051 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.027 away. White text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #516883 |
| RGB | rgb(81, 104, 131) |
| HSL | hsl(212, 24%, 42%) |
| OKLCH | oklch(51% 0.051 252.8) |
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 #516883 | 5.74:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #516883 | 3.65:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #516883 text on white | 5.74:1 | AA | Lc 78.7 | Fine for body text |
| #516883 text on black | 3.65:1 | AA large text | Lc -23.1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D1
oklch(80.9% 0.025 254)
-
Step 400
400
#8FA3B9
oklch(70.7% 0.039 250.9)
-
Step 500
500
#748CA8
oklch(63.2% 0.051 252.5)
-
Step 600
600
#5C7693
oklch(55.7% 0.055 251.5)
-
Step 700
700 (this color)
#516883
oklch(51% 0.051 252.8)
-
Step 800
800
#3E5166
oklch(42.8% 0.042 251.3)
-
Step 900
900
#354353
oklch(37.7% 0.033 252.1)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#516883 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) | #5E6984 | 0.019 |
| Deuteranopia (no green cones) | #586482 | 0.014 |
| Tritanopia (no blue cones) | #416E71 | 0.044 |
| Achromatopsia (no color) | #666666 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516883
#516883
oklch(51% 0.051 252.8)
- #786245
#786245
oklch(51% 0.051 73.9)
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 #516883, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.027
- Metallic Blue #4F738E ΔE 0.032
- Denim #3B638C ΔE 0.036
- Dusky Blue #475F94 ΔE 0.046
- Dull Blue #49759C ΔE 0.047
- Muted Blue #3B719F ΔE 0.048
- Dusty Grape #545775 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.050
Use #516883 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.