#718BB0
Closest named color: Silver Lake Blue (#778DA9). oklch(63.1% 0.064 257.2), rgb(113, 139, 176).
Aa
Black text reads best on this color (6.02:1).
About this color
#718BB0 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.064 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.016 away. Black text reads best on it, at 6.02:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.02:1 |
| White text | 3.48:1 |
Values
| HEX | #718BB0 |
| RGB | rgb(113, 139, 176) |
| HSL | hsl(215, 29%, 57%) |
| OKLCH | oklch(63.1% 0.064 257.2) |
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 #718BB0 | 3.48:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #718BB0 | 6.02:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #718BB0 text on white | 3.48:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #718BB0 text on black | 6.02:1 | AA | Lc -39.3 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C2D5
oklch(80.9% 0.031 256)
-
Step 400
400
#8DA2C0
oklch(70.6% 0.05 257.3)
-
Step 500
500 (this color)
#718BB0
oklch(63.1% 0.064 257.2)
-
Step 600
600
#59759C
oklch(55.6% 0.069 256.8)
-
Step 700
700
#496285
oklch(49.1% 0.064 256.9)
-
Step 800
800
#3C506C
oklch(42.7% 0.053 256.9)
-
Step 900
900
#344258
oklch(37.6% 0.042 259.3)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#718BB0 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) | #7E8DB2 | 0.019 |
| Deuteranopia (no green cones) | #7787AF | 0.013 |
| Tritanopia (no blue cones) | #5D9397 | 0.057 |
| Achromatopsia (no color) | #898989 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718BB0
#718BB0
oklch(63.1% 0.064 257.2)
- #9F855D
#9F855D
oklch(63.1% 0.064 78)
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 #718BB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.016
- Faded Blue #658CBB ΔE 0.021
- Blue Grey #758DA3 ΔE 0.023
- Dusty Blue #5A86AD ΔE 0.033
- Light Slate Gray #778899 ΔE 0.034
- Off Blue #5684AE ΔE 0.040
- Steel #738595 ΔE 0.040
- Lavender Gray #7E7F9A ΔE 0.041
Use #718BB0 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.