#718FD3
Closest named color: Cornflower Blue (#6495ED). oklch(65.6% 0.108 265.4), rgb(113, 143, 211).
Aa
Black text reads best on this color (6.57:1).
About this color
#718FD3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.108 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.040 away. Black text reads best on it, at 6.57:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #718FD3 |
| RGB | rgb(113, 143, 211) |
| HSL | hsl(222, 53%, 64%) |
| OKLCH | oklch(65.6% 0.108 265.4) |
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 #718FD3 | 3.19:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #718FD3 | 6.57:1 | AA | Lc 45.0 | Large or bold text, headings |
| #718FD3 text on white | 3.19:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #718FD3 text on black | 6.57:1 | AA | Lc -42.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B0C1E4
oklch(81% 0.053 264.7)
-
Step 400
400
#87A0D6
oklch(70.7% 0.084 265.1)
-
Step 500
500 (this color)
#718FD3
oklch(65.6% 0.108 265.4)
-
Step 600
600
#5270B8
oklch(55.6% 0.118 265.7)
-
Step 700
700
#425E9E
oklch(49.1% 0.108 264.9)
-
Step 800
800
#374D80
oklch(42.8% 0.089 265.2)
-
Step 900
900
#2F4067
oklch(37.6% 0.071 265.3)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#718FD3 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) | #7695D6 | 0.018 |
| Deuteranopia (no green cones) | #6C8CD1 | 0.011 |
| Tritanopia (no blue cones) | #4B9DA7 | 0.096 |
| Achromatopsia (no color) | #909090 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718FD3
#718FD3
oklch(65.6% 0.108 265.4)
- #AF8B3A
#AF8B3A
oklch(65.5% 0.108 84.8)
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 #718FD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.040
- Faded Blue #658CBB ΔE 0.040
- Soft Blue #6488EA ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.051
- Perrywinkle #8F8CE7 ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.063
- Dusty Blue #5A86AD ΔE 0.067
Use #718FD3 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.