#718DAB
Closest named color: Silver Lake Blue (#778DA9). oklch(63.3% 0.055 250.5), rgb(113, 141, 171).
Aa
Black text reads best on this color (6.10:1).
About this color
#718DAB is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.055 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.008 away. Black text reads best on it, at 6.10:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.10:1 |
| White text | 3.44:1 |
Values
| HEX | #718DAB |
| RGB | rgb(113, 141, 171) |
| HSL | hsl(211, 26%, 56%) |
| OKLCH | oklch(63.3% 0.055 250.5) |
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 #718DAB | 3.44:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #718DAB | 6.10:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #718DAB text on white | 3.44:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #718DAB text on black | 6.10:1 | AA | Lc -39.8 | 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
#B4C2D2
oklch(80.8% 0.027 251.7)
-
Step 400
400
#8DA3BB
oklch(70.7% 0.043 250.7)
-
Step 500
500 (this color)
#718DAB
oklch(63.3% 0.055 250.5)
-
Step 600
600
#587696
oklch(55.5% 0.061 250.6)
-
Step 700
700
#486380
oklch(49% 0.057 250.8)
-
Step 800
800
#3C5168
oklch(42.7% 0.046 251.2)
-
Step 900
900
#334354
oklch(37.6% 0.036 250.3)
-
Step 950
950
#1E2731
oklch(26.9% 0.023 251.3)
#718DAB 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) | #828EAC | 0.023 |
| Deuteranopia (no green cones) | #7B88AA | 0.018 |
| Tritanopia (no blue cones) | #5F9497 | 0.047 |
| Achromatopsia (no color) | #8A8A8A | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718DAB
#718DAB
oklch(63.3% 0.055 250.5)
- #A08565
#A08565
oklch(63.4% 0.056 71.3)
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 #718DAB, 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 0.013
- Light Slate Gray #778899 ΔE 0.027
- Faded Blue #658CBB ΔE 0.028
- Steel #738595 ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.036
- Lavender Gray #7E7F9A ΔE 0.041
- Off Blue #5684AE ΔE 0.044
Use #718DAB 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.