#517586
Closest named color: Metallic Blue (#4F738E). oklch(54.2% 0.049 229), rgb(81, 117, 134).
Aa
White text reads best on this color (4.95:1).
About this color
#517586 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.049 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.016 away. White text reads best on it, at 4.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #517586 |
| RGB | rgb(81, 117, 134) |
| HSL | hsl(199, 25%, 42%) |
| OKLCH | oklch(54.2% 0.049 229) |
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 #517586 | 4.95:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #517586 | 4.23:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #517586 text on white | 4.95:1 | AA | Lc 74.2 | Content text, not long reading |
| #517586 text on black | 4.23:1 | AA large text | Lc -27.5 | 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
#B3C4CC
oklch(81% 0.022 227.6)
-
Step 400
400
#8BA5B2
oklch(70.6% 0.035 229.5)
-
Step 500
500
#6E8F9F
oklch(63.1% 0.044 229.1)
-
Step 600
600 (this color)
#517586
oklch(54.2% 0.049 229)
-
Step 700
700
#456675
oklch(49.1% 0.045 228.1)
-
Step 800
800
#395360
oklch(42.7% 0.038 230.4)
-
Step 900
900
#31454E
oklch(37.7% 0.029 227.5)
-
Step 950
950
#1D282E
oklch(26.9% 0.019 232.2)
#517586 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) | #6C7387 | 0.036 |
| Deuteranopia (no green cones) | #656D86 | 0.033 |
| Tritanopia (no blue cones) | #3D7A7A | 0.035 |
| Achromatopsia (no color) | #707070 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #517586
#517586
oklch(54.2% 0.049 229)
- #876756
#876756
oklch(54.1% 0.049 49.3)
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 #517586, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.016
- Stormy Blue #507B9C ΔE 0.034
- Dull Blue #49759C ΔE 0.036
- Cerulean #457B9D ΔE 0.036
- Grey Blue #647D8E ΔE 0.036
- Battleship Gray #6C757D ΔE 0.037
- Battleship Grey #6B7C85 ΔE 0.042
- Ocean #017B92 ΔE 0.049
Use #517586 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.