#7578FF
Closest named color: Cornflower (#6A79F7). oklch(63.9% 0.196 278.3), rgb(117, 120, 255).
Aa
Black text reads best on this color (5.88:1).
About this color
#7578FF is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.196 and its hue 278°. 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 5.88:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.88:1 |
| White text | 3.56:1 |
Values
| HEX | #7578FF |
| RGB | rgb(117, 120, 255) |
| HSL | hsl(239, 100%, 73%) |
| OKLCH | oklch(63.9% 0.196 278.3) |
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 #7578FF | 3.56:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #7578FF | 5.88:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #7578FF text on white | 3.56:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #7578FF text on black | 5.88:1 | AA | Lc -38.7 | 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
#E5E8FD
oklch(93.5% 0.029 279.4)
-
Step 200
200
#D0D6FD
oklch(88.4% 0.054 278.3)
-
Step 300
300
#B2BBFE
oklch(80.9% 0.095 278.1)
-
Step 400
400
#8C94FE
oklch(70.6% 0.154 278.4)
-
Step 500
500 (this color)
#7578FF
oklch(63.9% 0.196 278.3)
-
Step 600
600
#5E59EB
oklch(55.5% 0.213 278.4)
-
Step 700
700
#4E48CD
oklch(49.2% 0.198 278.2)
-
Step 800
800
#403CA5
oklch(42.7% 0.164 278.6)
-
Step 900
900
#353583
oklch(37.7% 0.128 278.3)
-
Step 950
950
#1F204D
oklch(27.1% 0.081 278.5)
#7578FF 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) | #278DFF | 0.079 |
| Deuteranopia (no green cones) | #0082FC | 0.084 |
| Tritanopia (no blue cones) | #3197B0 | 0.171 |
| Achromatopsia (no color) | #888888 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7578FF
#7578FF
oklch(63.9% 0.196 278.3)
- #A18C00
#A18C00
oklch(64% 0.132 98.6)
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 #7578FF, closest first.
No curated palette has a color within ΔE 0.04 of #7578FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.019
- Medium Slate Blue #7B68EE ΔE 0.043
- Periwinkle #8E82FE ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.054
- Soft Blue #6488EA ΔE 0.056
- Medium Purple #9370DB ΔE 0.069
- Clear Blue #247AFD ΔE 0.076
- Perrywinkle #8F8CE7 ΔE 0.078
Use #7578FF 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.