#718FF9
Closest named color: Cornflower Blue (#6495ED). oklch(67.6% 0.16 269.8), rgb(113, 143, 249).
Aa
Black text reads best on this color (6.99:1).
About this color
#718FF9 is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.160 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.029 away. Black text reads best on it, at 6.99:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.99:1 |
| White text | 3.00:1 |
Values
| HEX | #718FF9 |
| RGB | rgb(113, 143, 249) |
| HSL | hsl(227, 92%, 71%) |
| OKLCH | oklch(67.6% 0.16 269.8) |
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 #718FF9 | 3.00:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #718FF9 | 6.99:1 | AA | Lc 47.6 | Large or bold text, headings |
| #718FF9 text on white | 3.00:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #718FF9 text on black | 6.99:1 | AA | Lc -45.3 | 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
#E2E9FE
oklch(93.5% 0.029 271.1)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400 (this color)
#718FF9
oklch(67.6% 0.16 269.8)
-
Step 500
500
#5C7CFF
oklch(63.1% 0.197 269.6)
-
Step 600
600
#455FF3
oklch(55.7% 0.222 269.9)
-
Step 700
700
#374DD3
oklch(49.1% 0.206 269.7)
-
Step 800
800
#2D40AB
oklch(42.7% 0.172 269.7)
-
Step 900
900
#273887
oklch(37.7% 0.133 269.7)
-
Step 950
950
#17224F
oklch(27.1% 0.084 269.7)
#718FF9 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) | #619BFD | 0.032 |
| Deuteranopia (no green cones) | #508FF7 | 0.035 |
| Tritanopia (no blue cones) | #23A6B8 | 0.143 |
| Achromatopsia (no color) | #959595 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FF9
#718FF9
oklch(67.6% 0.16 269.8)
- #B89200
#B89200
oklch(67.6% 0.138 90.1)
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 #718FF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.029
- Soft Blue #6488EA ΔE 0.032
- Lavender Blue #8B88F8 ΔE 0.035
- Perrywinkle #8F8CE7 ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.045
- Periwinkle #8E82FE ΔE 0.048
- Periwinkle Blue #8F99FB ΔE 0.049
- Cornflower #6A79F7 ΔE 0.057
Use #718FF9 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.