#718CD9
Closest named color: Soft Blue (#6488EA). oklch(65.2% 0.12 268.3), rgb(113, 140, 217).
Aa
Black text reads best on this color (6.45:1).
About this color
#718CD9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.120 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.033 away. Black text reads best on it, at 6.45:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #718CD9 |
| RGB | rgb(113, 140, 217) |
| HSL | hsl(224, 58%, 65%) |
| OKLCH | oklch(65.2% 0.12 268.3) |
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 #718CD9 | 3.25:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #718CD9 | 6.45:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #718CD9 text on white | 3.25:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #718CD9 text on black | 6.45:1 | AA | Lc -42.0 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B1C0E7
oklch(80.9% 0.058 268.6)
-
Step 400
400
#889EDC
oklch(70.6% 0.095 268.9)
-
Step 500
500 (this color)
#718CD9
oklch(65.2% 0.12 268.3)
-
Step 600
600
#536EBF
oklch(55.6% 0.13 268.1)
-
Step 700
700
#445BA5
oklch(49% 0.122 268.6)
-
Step 800
800
#384B86
oklch(42.8% 0.101 268.5)
-
Step 900
900
#303F6B
oklch(37.7% 0.078 268.3)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#718CD9 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) | #6F94DC | 0.021 |
| Deuteranopia (no green cones) | #648AD7 | 0.017 |
| Tritanopia (no blue cones) | #479CA8 | 0.107 |
| Achromatopsia (no color) | #8F8F8F | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718CD9
#718CD9
oklch(65.2% 0.12 268.3)
- #AE8B28
#AE8B28
oklch(65.3% 0.119 88.3)
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 #718CD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.033
- Cornflower Blue #6495ED ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.046
- Perrywinkle #8F8CE7 ΔE 0.046
- Faded Blue #658CBB ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.071
Use #718CD9 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.