#718DDF
Closest named color: Cornflower Blue (#6495ED). oklch(65.8% 0.127 268.5), rgb(113, 141, 223).
Aa
Black text reads best on this color (6.57:1).
About this color
#718DDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.127 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.028 away. Black text reads best on it, at 6.57:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #718DDF |
| RGB | rgb(113, 141, 223) |
| HSL | hsl(225, 63%, 66%) |
| OKLCH | oklch(65.8% 0.127 268.5) |
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 #718DDF | 3.19:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #718DDF | 6.57:1 | AA | Lc 45.1 | Large or bold text, headings |
| #718DDF text on white | 3.19:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #718DDF text on black | 6.57:1 | AA | Lc -42.7 | 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
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#B0C0EA
oklch(81% 0.062 268.6)
-
Step 400
400
#879EDF
oklch(70.7% 0.099 268.9)
-
Step 500
500 (this color)
#718DDF
oklch(65.8% 0.127 268.5)
-
Step 600
600
#526DC3
oklch(55.6% 0.137 268.6)
-
Step 700
700
#425BA9
oklch(49.2% 0.128 268.1)
-
Step 800
800
#374A89
oklch(42.7% 0.107 268.9)
-
Step 900
900
#2F3F6D
oklch(37.8% 0.082 267.9)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#718DDF 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) | #6D95E2 | 0.021 |
| Deuteranopia (no green cones) | #628CDD | 0.018 |
| Tritanopia (no blue cones) | #429EAB | 0.114 |
| Achromatopsia (no color) | #909090 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718DDF
#718DDF
oklch(65.8% 0.127 268.5)
- #B18C1C
#B18C1C
oklch(65.7% 0.127 88.5)
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 #718DDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.028
- Soft Blue #6488EA ΔE 0.028
- Perrywinkle #8F8CE7 ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.054
- Faded Blue #658CBB ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.065
Use #718DDF 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.