#517487
Closest named color: Metallic Blue (#4F738E). oklch(54% 0.05 232.6), rgb(81, 116, 135).
Aa
White text reads best on this color (5.00:1).
About this color
#517487 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.050 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.013 away. White text reads best on it, at 5.00:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #517487 |
| RGB | rgb(81, 116, 135) |
| HSL | hsl(201, 25%, 42%) |
| OKLCH | oklch(54% 0.05 232.6) |
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 #517487 | 5.00:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #517487 | 4.19:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #517487 text on white | 5.00:1 | AA | Lc 74.5 | Content text, not long reading |
| #517487 text on black | 4.19:1 | AA large text | Lc -27.2 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B3C3CD
oklch(80.8% 0.023 235.1)
-
Step 400
400
#8BA5B4
oklch(70.7% 0.036 233.3)
-
Step 500
500
#6E8FA1
oklch(63.2% 0.046 232.3)
-
Step 600
600 (this color)
#517487
oklch(54% 0.05 232.6)
-
Step 700
700
#466677
oklch(49.2% 0.046 232.1)
-
Step 800
800
#3A5361
oklch(42.8% 0.038 233.4)
-
Step 900
900
#32454F
oklch(37.8% 0.029 231.4)
-
Step 950
950
#1D282E
oklch(26.9% 0.019 232.2)
#517487 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) | #6B7388 | 0.034 |
| Deuteranopia (no green cones) | #636D87 | 0.029 |
| Tritanopia (no blue cones) | #3D797A | 0.037 |
| Achromatopsia (no color) | #6F6F6F | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #517487
#517487
oklch(54% 0.05 232.6)
- #866754
#866754
oklch(54% 0.049 52.9)
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 #517487, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.013
- Dull Blue #49759C ΔE 0.033
- Stormy Blue #507B9C ΔE 0.034
- Cerulean #457B9D ΔE 0.035
- Battleship Gray #6C757D ΔE 0.038
- Grey Blue #647D8E ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.044
- Muted Blue #3B719F ΔE 0.047
Use #517487 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.