#717CFC
Closest named color: Cornflower (#6A79F7). oklch(64.2% 0.188 276), rgb(113, 124, 252).
Aa
Black text reads best on this color (5.99:1).
About this color
#717CFC is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.188 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.014 away. Black text reads best on it, at 5.99:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #717CFC |
| RGB | rgb(113, 124, 252) |
| HSL | hsl(235, 96%, 72%) |
| OKLCH | oklch(64.2% 0.188 276) |
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 #717CFC | 3.50:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #717CFC | 5.99:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #717CFC text on white | 3.50:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #717CFC text on black | 5.99:1 | AA | Lc -39.4 | 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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#B0BCFC
oklch(80.9% 0.092 275.9)
-
Step 400
400
#8996FB
oklch(70.7% 0.148 276.4)
-
Step 500
500 (this color)
#717CFC
oklch(64.2% 0.188 276)
-
Step 600
600
#595DE7
oklch(55.6% 0.204 276.2)
-
Step 700
700
#494CC9
oklch(49.1% 0.19 275.8)
-
Step 800
800
#3C3FA2
oklch(42.7% 0.157 276.2)
-
Step 900
900
#323781
oklch(37.7% 0.123 275.9)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#717CFC 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) | #378FFF | 0.065 |
| Deuteranopia (no green cones) | #1D83F9 | 0.071 |
| Tritanopia (no blue cones) | #2499B0 | 0.166 |
| Achromatopsia (no color) | #898989 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717CFC
#717CFC
oklch(64.2% 0.188 276)
- #A58B00
#A58B00
oklch(64.2% 0.132 95.7)
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 #717CFC, closest first.
No curated palette has a color within ΔE 0.04 of #717CFC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.014
- Periwinkle #8E82FE ΔE 0.045
- Soft Blue #6488EA ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.049
- Lavender Blue #8B88F8 ΔE 0.050
- Medium Purple #9370DB ΔE 0.070
- Cornflower Blue #6495ED ΔE 0.071
- Perrywinkle #8F8CE7 ΔE 0.071
Use #717CFC 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.