#718EE9
Closest named color: Cornflower Blue (#6495ED). oklch(66.5% 0.139 269), rgb(113, 142, 233).
Aa
Black text reads best on this color (6.74:1).
About this color
#718EE9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.139 and its hue 269°. 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 6.74:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.74:1 |
| White text | 3.11:1 |
Values
| HEX | #718EE9 |
| RGB | rgb(113, 142, 233) |
| HSL | hsl(226, 73%, 68%) |
| OKLCH | oklch(66.5% 0.139 269) |
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 #718EE9 | 3.11:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #718EE9 | 6.74:1 | AA | Lc 46.1 | Large or bold text, headings |
| #718EE9 text on white | 3.11:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #718EE9 text on black | 6.74:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CFD9F3
oklch(88.6% 0.037 268.9)
-
Step 300
300
#AEBFEE
oklch(80.8% 0.069 269.3)
-
Step 400
400
#859DE5
oklch(70.6% 0.109 269.4)
-
Step 500
500 (this color)
#718EE9
oklch(66.5% 0.139 269)
-
Step 600
600
#506BCB
oklch(55.6% 0.151 269.2)
-
Step 700
700
#4159B0
oklch(49.2% 0.141 269.1)
-
Step 800
800
#35498E
oklch(42.7% 0.116 268.9)
-
Step 900
900
#2E3E72
oklch(37.8% 0.091 268.9)
-
Step 950
950
#1B2442
oklch(26.9% 0.057 269.6)
#718EE9 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) | #6A98ED | 0.026 |
| Deuteranopia (no green cones) | #5C8DE7 | 0.024 |
| Tritanopia (no blue cones) | #39A2B0 | 0.126 |
| Achromatopsia (no color) | #929292 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718EE9
#718EE9
oklch(66.5% 0.139 269)
- #B58E00
#B58E00
oklch(66.5% 0.136 89.1)
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 #718EE9, closest first.
No curated palette has a color within ΔE 0.04 of #718EE9.
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 0.024
- Perrywinkle #8F8CE7 ΔE 0.039
- Chefchaouen Blue #4895EF ΔE 0.041
- Lavender Blue #8B88F8 ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.056
- Periwinkle #8E82FE ΔE 0.059
Use #718EE9 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.