#717FFE
Closest named color: Cornflower (#6A79F7). oklch(64.9% 0.187 275.2), rgb(113, 127, 254).
Aa
Black text reads best on this color (6.16:1).
About this color
#717FFE is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.187 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.020 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #717FFE |
| RGB | rgb(113, 127, 254) |
| HSL | hsl(234, 99%, 72%) |
| OKLCH | oklch(64.9% 0.187 275.2) |
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 #717FFE | 3.40:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #717FFE | 6.16:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #717FFE text on white | 3.40:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #717FFE text on black | 6.16:1 | AA | Lc -40.4 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#AFBCFC
oklch(80.8% 0.092 275.3)
-
Step 400
400
#8797FB
oklch(70.7% 0.147 275.1)
-
Step 500
500 (this color)
#717FFE
oklch(64.9% 0.187 275.2)
-
Step 600
600
#575EE7
oklch(55.6% 0.204 275.4)
-
Step 700
700
#474DC9
oklch(49.2% 0.189 274.9)
-
Step 800
800
#3A40A2
oklch(42.7% 0.156 275)
-
Step 900
900
#313781
oklch(37.6% 0.123 275.3)
-
Step 950
950
#1C214B
oklch(26.9% 0.077 274.9)
#717FFE 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) | #3C91FF | 0.062 |
| Deuteranopia (no green cones) | #2485FB | 0.067 |
| Tritanopia (no blue cones) | #1F9CB3 | 0.165 |
| Achromatopsia (no color) | #8B8B8B | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717FFE
#717FFE
oklch(64.9% 0.187 275.2)
- #A88D00
#A88D00
oklch(64.9% 0.133 95.4)
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 #717FFE, closest first.
No curated palette has a color within ΔE 0.04 of #717FFE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.020
- Periwinkle #8E82FE ΔE 0.042
- Soft Blue #6488EA ΔE 0.042
- Lavender Blue #8B88F8 ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.065
- Perrywinkle #8F8CE7 ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.072
Use #717FFE 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.