#717BF3
Closest named color: Cornflower (#6A79F7). oklch(63.4% 0.177 276.5), rgb(113, 123, 243).
Aa
Black text reads best on this color (5.82:1).
About this color
#717BF3 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.177 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.013 away. Black text reads best on it, at 5.82:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #717BF3 |
| RGB | rgb(113, 123, 243) |
| HSL | hsl(235, 84%, 70%) |
| OKLCH | oklch(63.4% 0.177 276.5) |
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 #717BF3 | 3.60:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #717BF3 | 5.82:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #717BF3 text on white | 3.60:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #717BF3 text on black | 5.82:1 | AA | Lc -38.3 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300
#B1BCF9
oklch(80.8% 0.087 276.4)
-
Step 400
400
#8B97F6
oklch(70.7% 0.139 276.8)
-
Step 500
500 (this color)
#717BF3
oklch(63.4% 0.177 276.5)
-
Step 600
600
#5B5FE1
oklch(55.6% 0.194 276.7)
-
Step 700
700
#4B4EC3
oklch(49.1% 0.179 276.5)
-
Step 800
800
#3D419E
oklch(42.8% 0.148 276.3)
-
Step 900
900
#33387D
oklch(37.7% 0.115 276.2)
-
Step 950
950
#1E2149
oklch(26.9% 0.073 277.1)
#717BF3 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) | #3F8CF7 | 0.060 |
| Deuteranopia (no green cones) | #2E82F0 | 0.064 |
| Tritanopia (no blue cones) | #3296AC | 0.155 |
| Achromatopsia (no color) | #878787 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717BF3
#717BF3
oklch(63.4% 0.177 276.5)
- #A28900
#A28900
oklch(63.4% 0.13 96.1)
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 #717BF3, closest first.
No curated palette has a color within ΔE 0.04 of #717BF3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.013
- Soft Blue #6488EA ΔE 0.039
- Medium Slate Blue #7B68EE ΔE 0.045
- Periwinkle #8E82FE ΔE 0.048
- Lavender Blue #8B88F8 ΔE 0.051
- Medium Purple #9370DB ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.068
Use #717BF3 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.