#718FAE
Closest named color: Silver Lake Blue (#778DA9). oklch(63.9% 0.058 249.6), rgb(113, 143, 174).
Aa
Black text reads best on this color (6.24:1).
About this color
#718FAE is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.058 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.010 away. Black text reads best on it, at 6.24:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #718FAE |
| RGB | rgb(113, 143, 174) |
| HSL | hsl(210, 27%, 56%) |
| OKLCH | oklch(63.9% 0.058 249.6) |
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 #718FAE | 3.36:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #718FAE | 6.24:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #718FAE text on white | 3.36:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #718FAE text on black | 6.24:1 | AA | Lc -40.6 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
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
#B3C3D3
oklch(81% 0.029 248.2)
-
Step 400
400
#8CA3BC
oklch(70.6% 0.045 250.6)
-
Step 500
500 (this color)
#718FAE
oklch(63.9% 0.058 249.6)
-
Step 600
600
#577697
oklch(55.5% 0.063 250.5)
-
Step 700
700
#476381
oklch(49% 0.059 250.8)
-
Step 800
800
#3A5169
oklch(42.6% 0.049 250.1)
-
Step 900
900
#324355
oklch(37.6% 0.038 250.3)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#718FAE 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) | #8390B0 | 0.024 |
| Deuteranopia (no green cones) | #7C89AD | 0.020 |
| Tritanopia (no blue cones) | #5D9699 | 0.050 |
| Achromatopsia (no color) | #8C8C8C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FAE
#718FAE
oklch(63.9% 0.058 249.6)
- #A38665
#A38665
oklch(63.9% 0.058 70.1)
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 #718FAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.010
- Blue Grey #758DA3 ΔE 0.016
- Faded Blue #658CBB ΔE 0.028
- Light Slate Gray #778899 ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.040
- Steel #738595 ΔE 0.040
- Lavender Gray #7E7F9A ΔE 0.047
- Off Blue #5684AE ΔE 0.048
Use #718FAE 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.