#7578EC
Closest named color: Cornflower (#6A79F7). oklch(62.7% 0.171 279.1), rgb(117, 120, 236).
Aa
Black text reads best on this color (5.65:1).
About this color
#7578EC is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.171 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.021 away. Black text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #7578EC |
| RGB | rgb(117, 120, 236) |
| HSL | hsl(238, 76%, 69%) |
| OKLCH | oklch(62.7% 0.171 279.1) |
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 #7578EC | 3.71:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #7578EC | 5.65:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #7578EC text on white | 3.71:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #7578EC text on black | 5.65:1 | AA | Lc -37.2 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F8
oklch(88.6% 0.046 278.6)
-
Step 300
300
#B5BCF6
oklch(81% 0.082 279)
-
Step 400
400
#8F96F2
oklch(70.6% 0.134 279.1)
-
Step 500
500 (this color)
#7578EC
oklch(62.7% 0.171 279.1)
-
Step 600
600
#615FDC
oklch(55.6% 0.186 279.2)
-
Step 700
700
#514DBF
oklch(49.1% 0.173 279.4)
-
Step 800
800
#42409A
oklch(42.6% 0.143 279.4)
-
Step 900
900
#37387B
oklch(37.8% 0.111 279)
-
Step 950
950
#202148
oklch(27% 0.071 279.4)
#7578EC 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) | #4189F0 | 0.064 |
| Deuteranopia (no green cones) | #3580E9 | 0.067 |
| Tritanopia (no blue cones) | #4591A7 | 0.148 |
| Achromatopsia (no color) | #858585 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7578EC
#7578EC
oklch(62.7% 0.171 279.1)
- #9C8800
#9C8800
oklch(62.6% 0.13 98.8)
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 #7578EC, closest first.
No curated palette has a color within ΔE 0.04 of #7578EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.021
- Medium Slate Blue #7B68EE ΔE 0.038
- Soft Blue #6488EA ΔE 0.043
- Medium Purple #9370DB ΔE 0.052
- Periwinkle #8E82FE ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.067
- Cornflower Blue #6495ED ΔE 0.074
Use #7578EC 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.