#7578CE
Closest named color: Medium Purple (#9370DB). oklch(60.9% 0.129 280.3), rgb(117, 120, 206).
Aa
Black text reads best on this color (5.33:1).
About this color
#7578CE is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.129 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.053 away. Black text reads best on it, at 5.33:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #7578CE |
| RGB | rgb(117, 120, 206) |
| HSL | hsl(238, 48%, 63%) |
| OKLCH | oklch(60.9% 0.129 280.3) |
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 #7578CE | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #7578CE | 5.33:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #7578CE text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #7578CE text on black | 5.33:1 | AA | Lc -35.0 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B8BDE9
oklch(80.9% 0.062 279.8)
-
Step 400
400
#9499DF
oklch(70.6% 0.102 280.3)
-
Step 500
500 (this color)
#7578CE
oklch(60.9% 0.129 280.3)
-
Step 600
600
#6567C3
oklch(55.7% 0.14 279.9)
-
Step 700
700
#5455A8
oklch(49.1% 0.13 280)
-
Step 800
800
#454688
oklch(42.7% 0.107 280.2)
-
Step 900
900
#3A3B6D
oklch(37.7% 0.084 280.7)
-
Step 950
950
#222340
oklch(27.1% 0.053 280.7)
#7578CE 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) | #5884D1 | 0.044 |
| Deuteranopia (no green cones) | #537DCC | 0.043 |
| Tritanopia (no blue cones) | #588999 | 0.112 |
| Achromatopsia (no color) | #808080 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7578CE
#7578CE
oklch(60.9% 0.129 280.3)
- #948400
#948400
oklch(60.9% 0.127 100.8)
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 #7578CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.053
- Soft Blue #6488EA ΔE 0.055
- Deep Lilac #966EBD ΔE 0.057
- Cornflower #6A79F7 ΔE 0.063
- Medium Slate Blue #7B68EE ΔE 0.067
- Faded Blue #658CBB ΔE 0.070
- Dark Periwinkle #665FD1 ΔE 0.070
- Cool Blue #4984B8 ΔE 0.072
Use #7578CE 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.