#718DD4
Closest named color: Cornflower Blue (#6495ED). oklch(65.2% 0.111 266.9), rgb(113, 141, 212).
Aa
Black text reads best on this color (6.46:1).
About this color
#718DD4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.111 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.040 away. Black text reads best on it, at 6.46:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.46:1 |
| White text | 3.24:1 |
Values
| HEX | #718DD4 |
| RGB | rgb(113, 141, 212) |
| HSL | hsl(223, 54%, 64%) |
| OKLCH | oklch(65.2% 0.111 266.9) |
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 #718DD4 | 3.24:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #718DD4 | 6.46:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #718DD4 text on white | 3.24:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #718DD4 text on black | 6.46:1 | 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
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B1C0E5
oklch(80.9% 0.055 267.8)
-
Step 400
400
#889FD8
oklch(70.7% 0.088 267.2)
-
Step 500
500 (this color)
#718DD4
oklch(65.2% 0.111 266.9)
-
Step 600
600
#536FBA
oklch(55.5% 0.121 267)
-
Step 700
700
#445DA0
oklch(49.2% 0.112 266.9)
-
Step 800
800
#384C82
oklch(42.7% 0.093 267.1)
-
Step 900
900
#304068
oklch(37.8% 0.072 266.5)
-
Step 950
950
#1C253D
oklch(26.9% 0.047 267.6)
#718DD4 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) | #7393D7 | 0.017 |
| Deuteranopia (no green cones) | #688BD2 | 0.013 |
| Tritanopia (no blue cones) | #4A9CA7 | 0.100 |
| Achromatopsia (no color) | #8F8F8F | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718DD4
#718DD4
oklch(65.2% 0.111 266.9)
- #AD8B34
#AD8B34
oklch(65.2% 0.111 87.2)
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 #718DD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.040
- Soft Blue #6488EA ΔE 0.041
- Faded Blue #658CBB ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.053
- Silver Lake Blue #778DA9 ΔE 0.066
- Cool Blue #4984B8 ΔE 0.068
Use #718DD4 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.