#718EE5
Closest named color: Cornflower Blue (#6495ED). oklch(66.3% 0.134 268.6), rgb(113, 142, 229).
Aa
Black text reads best on this color (6.70:1).
About this color
#718EE5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.134 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.022 away. Black text reads best on it, at 6.70:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.70:1 |
| White text | 3.13:1 |
Values
| HEX | #718EE5 |
| RGB | rgb(113, 142, 229) |
| HSL | hsl(225, 69%, 67%) |
| OKLCH | oklch(66.3% 0.134 268.6) |
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 #718EE5 | 3.13:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #718EE5 | 6.70:1 | AA | Lc 45.8 | Large or bold text, headings |
| #718EE5 text on white | 3.13:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #718EE5 text on black | 6.70:1 | AA | Lc -43.5 | 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFC0EC
oklch(81% 0.065 268.4)
-
Step 400
400
#859EE2
oklch(70.7% 0.104 268.2)
-
Step 500
500 (this color)
#718EE5
oklch(66.3% 0.134 268.6)
-
Step 600
600
#506CC8
oklch(55.6% 0.146 268.6)
-
Step 700
700
#415AAD
oklch(49.2% 0.135 268.5)
-
Step 800
800
#364A8C
oklch(42.8% 0.112 268.7)
-
Step 900
900
#2E3E70
oklch(37.7% 0.088 268.6)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#718EE5 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) | #6C97E8 | 0.023 |
| Deuteranopia (no green cones) | #5F8DE3 | 0.021 |
| Tritanopia (no blue cones) | #3DA1AE | 0.121 |
| Achromatopsia (no color) | #919191 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718EE5
#718EE5
oklch(66.3% 0.134 268.6)
- #B48D08
#B48D08
oklch(66.2% 0.134 88.6)
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 #718EE5, closest first.
No curated palette has a color within ΔE 0.04 of #718EE5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.022
- Soft Blue #6488EA ΔE 0.025
- Perrywinkle #8F8CE7 ΔE 0.039
- Chefchaouen Blue #4895EF ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.048
- Periwinkle Blue #8F99FB ΔE 0.058
- Periwinkle #8E82FE ΔE 0.063
Use #718EE5 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.