#717BFB
Closest named color: Cornflower (#6A79F7). oklch(63.9% 0.188 276.3), rgb(113, 123, 251).
Aa
Black text reads best on this color (5.92:1).
About this color
#717BFB 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 0.012 away. Black text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #717BFB |
| RGB | rgb(113, 123, 251) |
| HSL | hsl(236, 95%, 71%) |
| OKLCH | oklch(63.9% 0.188 276.3) |
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 #717BFB | 3.54:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #717BFB | 5.92:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #717BFB text on white | 3.54:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #717BFB text on black | 5.92:1 | AA | Lc -39.0 | 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
#D0D7FC
oklch(88.6% 0.052 276.9)
-
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)
#717BFB
oklch(63.9% 0.188 276.3)
-
Step 600
600
#595DE7
oklch(55.6% 0.204 276.2)
-
Step 700
700
#4A4BC9
oklch(49% 0.191 276.4)
-
Step 800
800
#3C3FA2
oklch(42.7% 0.157 276.2)
-
Step 900
900
#333781
oklch(37.8% 0.123 276.5)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#717BFB 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) | #358EFF | 0.066 |
| Deuteranopia (no green cones) | #1B83F8 | 0.072 |
| Tritanopia (no blue cones) | #2698AF | 0.166 |
| Achromatopsia (no color) | #888888 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717BFB
#717BFB
oklch(63.9% 0.188 276.3)
- #A48B00
#A48B00
oklch(64% 0.132 96.3)
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 #717BFB, closest first.
No curated palette has a color within ΔE 0.04 of #717BFB.
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 0.046
- Periwinkle #8E82FE ΔE 0.046
- Medium Slate Blue #7B68EE ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.051
- Medium Purple #9370DB ΔE 0.069
- Clear Blue #247AFD ΔE 0.072
- Cornflower Blue #6495ED ΔE 0.072
Use #717BFB 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.