#718FF8
Closest named color: Cornflower Blue (#6495ED). oklch(67.6% 0.159 269.8), rgb(113, 143, 248).
Aa
Black text reads best on this color (6.98:1).
About this color
#718FF8 is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.159 and its hue 270°. 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 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #718FF8 |
| RGB | rgb(113, 143, 248) |
| HSL | hsl(227, 91%, 71%) |
| OKLCH | oklch(67.6% 0.159 269.8) |
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 #718FF8 | 3.00:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #718FF8 | 6.98:1 | AA | Lc 47.5 | Large or bold text, headings |
| #718FF8 text on white | 3.00:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #718FF8 text on black | 6.98:1 | AA | Lc -45.2 | 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
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400 (this color)
#718FF8
oklch(67.6% 0.159 269.8)
-
Step 500
500
#5C7CFF
oklch(63.1% 0.197 269.6)
-
Step 600
600
#455FF2
oklch(55.7% 0.221 269.9)
-
Step 700
700
#374DD2
oklch(49.1% 0.205 269.7)
-
Step 800
800
#2D40AA
oklch(42.6% 0.17 269.7)
-
Step 900
900
#273886
oklch(37.6% 0.132 269.7)
-
Step 950
950
#17224F
oklch(27.1% 0.084 269.7)
#718FF8 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) | #629BFC | 0.032 |
| Deuteranopia (no green cones) | #518FF6 | 0.034 |
| Tritanopia (no blue cones) | #25A6B7 | 0.143 |
| Achromatopsia (no color) | #959595 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FF8
#718FF8
oklch(67.6% 0.159 269.8)
- #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 #718FF8, 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 0.031
- Lavender Blue #8B88F8 ΔE 0.036
- Perrywinkle #8F8CE7 ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.045
- Periwinkle #8E82FE ΔE 0.048
- Periwinkle Blue #8F99FB ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.056
Use #718FF8 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.