#718FBC
Closest named color: Faded Blue (#658CBB). oklch(64.5% 0.076 258.3), rgb(113, 143, 188).
Aa
Black text reads best on this color (6.35:1).
About this color
#718FBC is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.076 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 6.35:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.35:1 |
| White text | 3.30:1 |
Values
| HEX | #718FBC |
| RGB | rgb(113, 143, 188) |
| HSL | hsl(216, 36%, 59%) |
| OKLCH | oklch(64.5% 0.076 258.3) |
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 #718FBC | 3.30:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #718FBC | 6.35:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #718FBC text on white | 3.30:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #718FBC text on black | 6.35:1 | 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
#E5EAF1
oklch(93.5% 0.011 256.7)
-
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
#8AA2C6
oklch(70.7% 0.059 258.4)
-
Step 500
500 (this color)
#718FBC
oklch(64.5% 0.076 258.3)
-
Step 600
600
#5574A4
oklch(55.6% 0.083 258.9)
-
Step 700
700
#45618C
oklch(49% 0.077 258.7)
-
Step 800
800
#395072
oklch(42.8% 0.064 258)
-
Step 900
900
#31425C
oklch(37.6% 0.05 258.7)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#718FBC 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) | #7F91BE | 0.020 |
| Deuteranopia (no green cones) | #768ABB | 0.014 |
| Tritanopia (no blue cones) | #57999E | 0.068 |
| Achromatopsia (no color) | #8D8D8D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FBC
#718FBC
oklch(64.5% 0.076 258.3)
- #A78857
#A78857
oklch(64.4% 0.076 78.2)
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 #718FBC, 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 0.028
- Blue Grey #758DA3 ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.044
- Off Blue #5684AE ΔE 0.050
- Light Slate Gray #778899 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.055
- Greyblue #77A1B5 ΔE 0.057
Use #718FBC 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.