#718FAC
Closest named color: Silver Lake Blue (#778DA9). oklch(63.8% 0.055 247.8), rgb(113, 143, 172).
Aa
Black text reads best on this color (6.22:1).
About this color
#718FAC is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.055 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.009 away. Black text reads best on it, at 6.22:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.22:1 |
| White text | 3.37:1 |
Values
| HEX | #718FAC |
| RGB | rgb(113, 143, 172) |
| HSL | hsl(209, 26%, 56%) |
| OKLCH | oklch(63.8% 0.055 247.8) |
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 #718FAC | 3.37:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #718FAC | 6.22:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #718FAC text on white | 3.37:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #718FAC text on black | 6.22:1 | AA | Lc -40.5 | Non-text elements, placeholder text |
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 500.
-
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
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B3C3D2
oklch(81% 0.028 246.4)
-
Step 400
400
#8CA4BB
oklch(70.8% 0.043 247.3)
-
Step 500
500 (this color)
#718FAC
oklch(63.8% 0.055 247.8)
-
Step 600
600
#577795
oklch(55.7% 0.06 247.3)
-
Step 700
700
#47647F
oklch(49.2% 0.055 247.2)
-
Step 800
800
#3A5167
oklch(42.5% 0.046 247.9)
-
Step 900
900
#324354
oklch(37.6% 0.037 248.8)
-
Step 950
950
#1E2831
oklch(27.1% 0.022 245.9)
#718FAC 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) | #848FAD | 0.025 |
| Deuteranopia (no green cones) | #7C89AB | 0.020 |
| Tritanopia (no blue cones) | #5E9698 | 0.048 |
| Achromatopsia (no color) | #8C8C8C | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FAC
#718FAC
oklch(63.8% 0.055 247.8)
- #A28667
#A28667
oklch(63.8% 0.056 69.4)
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 #718FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.009
- Blue Grey #758DA3 ΔE 0.013
- Light Slate Gray #778899 ΔE 0.030
- Faded Blue #658CBB ΔE 0.030
- Steel #738595 ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.040
- Lavender Gray #7E7F9A ΔE 0.046
- Off Blue #5684AE ΔE 0.048
Use #718FAC 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.