#718FE4
Closest named color: Cornflower Blue (#6495ED). oklch(66.4% 0.131 268), rgb(113, 143, 228).
Aa
Black text reads best on this color (6.75:1).
About this color
#718FE4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.131 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.021 away. Black text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.75:1 |
| White text | 3.11:1 |
Values
| HEX | #718FE4 |
| RGB | rgb(113, 143, 228) |
| HSL | hsl(224, 68%, 67%) |
| OKLCH | oklch(66.4% 0.131 268) |
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 #718FE4 | 3.11:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #718FE4 | 6.75:1 | AA | Lc 46.1 | Large or bold text, headings |
| #718FE4 text on white | 3.11:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #718FE4 text on black | 6.75:1 | AA | Lc -43.8 | 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFC0EB
oklch(80.9% 0.064 268.1)
-
Step 400
400
#859EE1
oklch(70.7% 0.103 268.1)
-
Step 500
500 (this color)
#718FE4
oklch(66.4% 0.131 268)
-
Step 600
600
#506DC6
oklch(55.7% 0.142 268)
-
Step 700
700
#415AAB
oklch(49.1% 0.133 268.3)
-
Step 800
800
#354A8B
oklch(42.7% 0.111 268)
-
Step 900
900
#2E3E6F
oklch(37.6% 0.086 268.4)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#718FE4 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) | #6E98E7 | 0.023 |
| Deuteranopia (no green cones) | #618DE2 | 0.020 |
| Tritanopia (no blue cones) | #3EA1AF | 0.117 |
| Achromatopsia (no color) | #929292 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FE4
#718FE4
oklch(66.4% 0.131 268)
- #B58E14
#B58E14
oklch(66.5% 0.131 88.2)
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 #718FE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.021
- Soft Blue #6488EA ΔE 0.028
- Perrywinkle #8F8CE7 ΔE 0.040
- Chefchaouen Blue #4895EF ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.050
- Periwinkle Blue #8F99FB ΔE 0.058
- Faded Blue #658CBB ΔE 0.064
Use #718FE4 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.