#717CDC
Closest named color: Soft Blue (#6488EA). oklch(62.2% 0.144 276.4), rgb(113, 124, 220).
Aa
Black text reads best on this color (5.61:1).
About this color
#717CDC is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.144 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.035 away. Black text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #717CDC |
| RGB | rgb(113, 124, 220) |
| HSL | hsl(234, 60%, 65%) |
| OKLCH | oklch(62.2% 0.144 276.4) |
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 #717CDC | 3.73:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #717CDC | 5.61:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #717CDC text on white | 3.73:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #717CDC text on black | 5.61:1 | AA | Lc -36.9 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D7F4
oklch(88.4% 0.04 277.8)
-
Step 300
300
#B4BDEF
oklch(80.9% 0.071 276.7)
-
Step 400
400
#8E9AE6
oklch(70.7% 0.112 276.3)
-
Step 500
500 (this color)
#717CDC
oklch(62.2% 0.144 276.4)
-
Step 600
600
#5D66CD
oklch(55.6% 0.157 276.3)
-
Step 700
700
#4D54B1
oklch(49% 0.146 276.4)
-
Step 800
800
#3F4590
oklch(42.6% 0.122 276.5)
-
Step 900
900
#353B73
oklch(37.7% 0.095 276.2)
-
Step 950
950
#1F2343
oklch(27% 0.059 276.3)
#717CDC 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) | #5589E0 | 0.043 |
| Deuteranopia (no green cones) | #4B80DA | 0.044 |
| Tritanopia (no blue cones) | #4890A1 | 0.127 |
| Achromatopsia (no color) | #848484 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717CDC
#717CDC
oklch(62.2% 0.144 276.4)
- #9D8500
#9D8500
oklch(62% 0.128 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 #717CDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.035
- Cornflower #6A79F7 ΔE 0.043
- Medium Purple #9370DB ΔE 0.055
- Medium Slate Blue #7B68EE ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.063
- Perrywinkle #8F8CE7 ΔE 0.063
- Cornflower Blue #6495ED ΔE 0.065
Use #717CDC 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.