#718FBB
Closest named color: Faded Blue (#658CBB). oklch(64.4% 0.075 257.8), rgb(113, 143, 187).
Aa
Black text reads best on this color (6.34:1).
About this color
#718FBB is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.075 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.018 away. Black text reads best on it, at 6.34:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.34:1 |
| White text | 3.30:1 |
Values
| HEX | #718FBB |
| RGB | rgb(113, 143, 187) |
| HSL | hsl(216, 35%, 59%) |
| OKLCH | oklch(64.4% 0.075 257.8) |
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 #718FBB | 3.30:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #718FBB | 6.34:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #718FBB text on white | 3.30:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #718FBB text on black | 6.34:1 | AA | Lc -41.3 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2D9
oklch(80.9% 0.037 257.4)
-
Step 400
400
#8AA2C5
oklch(70.6% 0.058 257.7)
-
Step 500
500 (this color)
#718FBB
oklch(64.4% 0.075 257.8)
-
Step 600
600
#5574A3
oklch(55.5% 0.082 258.5)
-
Step 700
700
#45628B
oklch(49.2% 0.075 257.1)
-
Step 800
800
#395071
oklch(42.7% 0.062 257.4)
-
Step 900
900
#31425B
oklch(37.6% 0.048 257.9)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#718FBB 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) | #7F91BD | 0.020 |
| Deuteranopia (no green cones) | #778ABA | 0.015 |
| Tritanopia (no blue cones) | #58989E | 0.065 |
| Achromatopsia (no color) | #8D8D8D | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FBB
#718FBB
oklch(64.4% 0.075 257.8)
- #A78858
#A78858
oklch(64.5% 0.075 77.8)
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 #718FBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.018
- Silver Lake Blue #778DA9 ΔE 0.027
- Blue Grey #758DA3 ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.043
- Off Blue #5684AE ΔE 0.049
- Light Slate Gray #778899 ΔE 0.050
- Cool Gray #8D99AE ΔE 0.055
- Greyblue #77A1B5 ΔE 0.056
Use #718FBB 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.