#718FFD
Closest named color: Cornflower Blue (#6495ED). oklch(67.9% 0.165 270.1), rgb(113, 143, 253).
Aa
Black text reads best on this color (7.04:1).
About this color
#718FFD is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.165 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.034 away. Black text reads best on it, at 7.04:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.04:1 |
| White text | 2.97:1 |
Values
| HEX | #718FFD |
| RGB | rgb(113, 143, 253) |
| HSL | hsl(227, 97%, 72%) |
| OKLCH | oklch(67.9% 0.165 270.1) |
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 #718FFD | 2.97:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #718FFD | 7.04:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #718FFD text on white | 2.97:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #718FFD text on black | 7.04:1 | AAA | Lc -45.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FF
oklch(93.5% 0.031 271.7)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400 (this color)
#718FFD
oklch(67.9% 0.165 270.1)
-
Step 500
500
#5D7BFF
oklch(63% 0.198 270.2)
-
Step 600
600
#445DF7
oklch(55.7% 0.23 269.9)
-
Step 700
700
#374BD7
oklch(49.2% 0.213 270)
-
Step 800
800
#2D3FAE
oklch(42.8% 0.177 269.9)
-
Step 900
900
#273789
oklch(37.6% 0.138 270.1)
-
Step 950
950
#172150
oklch(26.9% 0.087 270.5)
#718FFD 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) | #5E9CFF | 0.036 |
| Deuteranopia (no green cones) | #4C90FB | 0.037 |
| Tritanopia (no blue cones) | #1AA7BA | 0.147 |
| Achromatopsia (no color) | #959595 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FFD
#718FFD
oklch(67.9% 0.165 270.1)
- #B99300
#B99300
oklch(67.9% 0.139 90.2)
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 #718FFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.034
- Lavender Blue #8B88F8 ΔE 0.035
- Soft Blue #6488EA ΔE 0.036
- Periwinkle #8E82FE ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.049
- Periwinkle Blue #8F99FB ΔE 0.049
- Cornflower #6A79F7 ΔE 0.056
Use #718FFD 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.