#718DA8
Closest named color: Silver Lake Blue (#778DA9). oklch(63.2% 0.052 247.7), rgb(113, 141, 168).
Aa
Black text reads best on this color (6.07:1).
About this color
#718DA8 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.052 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.008 away. Black text reads best on it, at 6.07:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #718DA8 |
| RGB | rgb(113, 141, 168) |
| HSL | hsl(209, 24%, 55%) |
| OKLCH | oklch(63.2% 0.052 247.7) |
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 #718DA8 | 3.45:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #718DA8 | 6.07:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #718DA8 text on white | 3.45:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #718DA8 text on black | 6.07:1 | AA | Lc -39.6 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B4C2D1
oklch(80.8% 0.026 250)
-
Step 400
400
#8DA3B9
oklch(70.6% 0.041 248.4)
-
Step 500
500 (this color)
#718DA8
oklch(63.2% 0.052 247.7)
-
Step 600
600
#597793
oklch(55.7% 0.056 247.1)
-
Step 700
700
#49647D
oklch(49.2% 0.051 247)
-
Step 800
800
#3C5166
oklch(42.6% 0.044 248.9)
-
Step 900
900
#334353
oklch(37.6% 0.034 248.8)
-
Step 950
950
#1E2831
oklch(27.1% 0.022 245.9)
#718DA8 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) | #838DA9 | 0.024 |
| Deuteranopia (no green cones) | #7C87A7 | 0.021 |
| Tritanopia (no blue cones) | #609396 | 0.043 |
| Achromatopsia (no color) | #8A8A8A | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718DA8
#718DA8
oklch(63.2% 0.052 247.7)
- #9F8468
#9F8468
oklch(63.1% 0.052 67.7)
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 #718DA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.008
- Blue Grey #758DA3 ΔE 0.009
- Light Slate Gray #778899 ΔE 0.023
- Steel #738595 ΔE 0.031
- Faded Blue #658CBB ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.040
- Slate Gray #708090 ΔE 0.044
Use #718DA8 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.