#717CEE
Closest named color: Cornflower (#6A79F7). oklch(63.3% 0.169 276.3), rgb(113, 124, 238).
Aa
Black text reads best on this color (5.81:1).
About this color
#717CEE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.169 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.019 away. Black text reads best on it, at 5.81:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.81:1 |
| White text | 3.60:1 |
Values
| HEX | #717CEE |
| RGB | rgb(113, 124, 238) |
| HSL | hsl(235, 79%, 69%) |
| OKLCH | oklch(63.3% 0.169 276.3) |
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 #717CEE | 3.60:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #717CEE | 5.81:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #717CEE text on white | 3.60:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #717CEE text on black | 5.81:1 | AA | Lc -38.2 | 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
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F8
oklch(88.4% 0.046 276)
-
Step 300
300
#B2BDF6
oklch(81% 0.082 275.9)
-
Step 400
400
#8B98F2
oklch(70.7% 0.132 276.2)
-
Step 500
500 (this color)
#717CEE
oklch(63.3% 0.169 276.3)
-
Step 600
600
#5B61DC
oklch(55.6% 0.184 276.5)
-
Step 700
700
#4B50BF
oklch(49.2% 0.171 276.2)
-
Step 800
800
#3D429A
oklch(42.7% 0.141 276.2)
-
Step 900
900
#34397B
oklch(37.8% 0.11 276.5)
-
Step 950
950
#1E2248
oklch(27% 0.07 276.2)
#717CEE 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) | #478CF2 | 0.054 |
| Deuteranopia (no green cones) | #3882EC | 0.058 |
| Tritanopia (no blue cones) | #3895AA | 0.148 |
| Achromatopsia (no color) | #878787 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717CEE
#717CEE
oklch(63.3% 0.169 276.3)
- #A18900
#A18900
oklch(63.3% 0.13 96.7)
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 #717CEE, closest first.
No curated palette has a color within ΔE 0.04 of #717CEE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.019
- Soft Blue #6488EA ΔE 0.034
- Medium Slate Blue #7B68EE ΔE 0.048
- Periwinkle #8E82FE ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.051
- Medium Purple #9370DB ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.064
Use #717CEE 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.