#717BF4
Closest named color: Cornflower (#6A79F7). oklch(63.5% 0.178 276.5), rgb(113, 123, 244).
Aa
Black text reads best on this color (5.84:1).
About this color
#717BF4 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.178 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.012 away. Black text reads best on it, at 5.84:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #717BF4 |
| RGB | rgb(113, 123, 244) |
| HSL | hsl(235, 86%, 70%) |
| OKLCH | oklch(63.5% 0.178 276.5) |
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 #717BF4 | 3.59:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #717BF4 | 5.84:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #717BF4 text on white | 3.59:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #717BF4 text on black | 5.84:1 | AA | Lc -38.4 | 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
#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
#8A97F6
oklch(70.6% 0.139 276.3)
-
Step 500
500 (this color)
#717BF4
oklch(63.5% 0.178 276.5)
-
Step 600
600
#5A5FE1
oklch(55.5% 0.194 276.4)
-
Step 700
700
#4B4EC4
oklch(49.2% 0.18 276.4)
-
Step 800
800
#3D409E
oklch(42.6% 0.15 276.6)
-
Step 900
900
#33387E
oklch(37.7% 0.117 276.2)
-
Step 950
950
#1E214A
oklch(27% 0.075 277)
#717BF4 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) | #3E8DF8 | 0.062 |
| Deuteranopia (no green cones) | #2C82F1 | 0.065 |
| Tritanopia (no blue cones) | #3196AC | 0.157 |
| Achromatopsia (no color) | #878787 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717BF4
#717BF4
oklch(63.5% 0.178 276.5)
- #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 #717BF4, closest first.
No curated palette has a color within ΔE 0.04 of #717BF4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.012
- Soft Blue #6488EA ΔE 0.040
- Medium Slate Blue #7B68EE ΔE 0.045
- Periwinkle #8E82FE ΔE 0.048
- Lavender Blue #8B88F8 ΔE 0.051
- Medium Purple #9370DB ΔE 0.063
- Perrywinkle #8F8CE7 ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.069
Use #717BF4 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.